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Mods for AC EVO

Audi RS6 GT3

The Audi RS6 GT3 is the Digital Drivers race build of the RS 6 Avant C8: the twin-turbo V8 estate with quattro drive, rebuilt the way a GT3 car is built. No real GT3 RS6 exists, so this car combines real parts that fit the C8 with GT3 practice: KW V4 three-way coilovers with steel springs instead of the air suspension, GT3 steel brakes behind 19-inch wheels, 325 mm GT3 slicks, an APR GTC-500 rear wing and a GT3 splitter.

Audi RS6 GT3Historic Livery IMSA GTO 1989
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27 driversv35 of 11/1/2026222 MB in the game3 designs

PS
600
Nm
800
kg with driver, 52 % front
1,650
km/h top speed (est.)
284
Real build cost
approx. €243,000

GT3

what this stage is about

The RS6 Avant as a GT3-style race car for track days and the Nordschleife: standard engine, GT3 aero, 19-inch slicks and GT3 brakes and the full GT3 body.

  • Audi 4.0 TFSI V8 as Audi rates it: 600 PS at 6,000-6,250 rpm and 800 Nm from 2,050 to 4,500 rpm; the curve between the published points is our estimate.
  • ZF eight-speed gearbox, quattro with the Torsen centre differential and the 1,100 Nm clutch as in the road car; rear-wheel steering and driving modes removed.
  • KW V4 three-way coilovers with steel springs instead of the air suspension, GT3 steel brakes, APR GTC-500 rear wing and a GT3 splitter, about 40 % of the downforce on the front axle.
  • 1,650 kg with driver and without fuel (estimate: no real GT3 RS6 exists), 52 % on the front axle (transaxle layout, estimate), GT3 track 1.747 / 1.765 m, 120 l safety cell.
  • Setup: ride heights 75 / 85 mm, springs 220 / 190 N/mm, brake bias 56.0 %, TC 3, ABS 7, wing at +1, 60 l of fuel.

Built on real data

no fantasy figures: reference, parts and measurements behind this car

The reference

MTM RS 6 Avant C8, 1,001 PS (Auto Bild test car)

No real GT3 RS6 exists, so this car combines real parts that fit the C8 with GT3 practice. Its strongest stage follows MTM's hybrid-turbo RS 6 with 1,001 PS and 1,250 Nm, which Auto Bild road-tested: 0-100 km/h in 2.8 s and 0-200 km/h in 8.9 s at 2,166 kg.

autobild.deMeasured

The parts

10real products

from 10 makers: APR Performance, Audi, GT3 race brakes, GT3 splitter, Jackal / ARM Motorsports and others.

  • 9 items with list price and source
  • 29 items marked as estimates
  • 17 sources linked

The measurements

37laps with telemetry

driven in this car by club drivers and shared from the app of their own free will. The setups marked “measured” take tyre pressures, fuel per lap and brake bias from laps like these.

  • Dyno: Jackal Stage 1 with ARM downpipes, 647 whp / 654 wtq against the same Dynojet's stock 556 / 587, the figures of Stage 1
  • Unitronic's published Stage 2 for the C8: 819 hp / 760 lb-ft on 98 RON with named intake, downpipes and CSF intercoolers
  • Club telemetry on the Nordschleife (2026-10-19/20): bump-stop contact at the Fuchsröhre and free-running boost above 7,100 rpm, both fixed from the logs

verified (maker, dyno, measured)from the game's own datasource linkedour estimate· the same evidence as under Sources on the car’s page in the game

Power and torque

all 4 stages from the built car, not from a brochure

Power over rpm
02505007501,0001,25002,0004,0006,0008,000rpmPSGT3 · 1,000 rpm: 23.9 PSGT3 · 1,250 rpm: 56.4 PSGT3 · 1,500 rpm: 108.9 PSGT3 · 1,750 rpm: 157.5 PSGT3 · 2,000 rpm: 218.3 PSGT3 · 2,250 rpm: 256.4 PSGT3 · 2,500 rpm: 284.8 PSGT3 · 2,750 rpm: 313.2 PSGT3 · 3,000 rpm: 341.7 PSGT3 · 3,250 rpm: 370.2 PSGT3 · 3,500 rpm: 398.7 PSGT3 · 3,750 rpm: 427.1 PSGT3 · 4,000 rpm: 455.6 PSGT3 · 4,250 rpm: 484.1 PSGT3 · 4,500 rpm: 512.6 PSGT3 · 4,750 rpm: 529.9 PSGT3 · 5,000 rpm: 546 PSGT3 · 5,250 rpm: 561.3 PSGT3 · 5,500 rpm: 575.6 PSGT3 · 5,750 rpm: 588.1 PSGT3 · 6,000 rpm: 599.7 PSGT3 · 6,250 rpm: 599.8 PSGT3 · 6,500 rpm: 572.5 PSGT3 · 6,750 rpm: 472.4 PSGT3 · 7,000 rpm: 369.5 PSGT3 · 7,050 rpm: 296.7 PSGT3 Stage 1 · 1,000 rpm: 23.9 PSGT3 Stage 1 · 1,250 rpm: 56.4 PSGT3 Stage 1 · 1,500 rpm: 121.2 PSGT3 Stage 1 · 1,750 rpm: 175.5 PSGT3 Stage 1 · 2,000 rpm: 243.2 PSGT3 Stage 1 · 2,250 rpm: 281.7 PSGT3 Stage 1 · 2,500 rpm: 317.1 PSGT3 Stage 1 · 2,750 rpm: 348.9 PSGT3 Stage 1 · 3,000 rpm: 380.6 PSGT3 Stage 1 · 3,250 rpm: 412.3 PSGT3 Stage 1 · 3,500 rpm: 444 PSGT3 Stage 1 · 3,750 rpm: 475.7 PSGT3 Stage 1 · 4,000 rpm: 507.4 PSGT3 Stage 1 · 4,250 rpm: 539.2 PSGT3 Stage 1 · 4,500 rpm: 570.9 PSGT3 Stage 1 · 4,750 rpm: 600.8 PSGT3 Stage 1 · 5,000 rpm: 630 PSGT3 Stage 1 · 5,250 rpm: 652.2 PSGT3 Stage 1 · 5,500 rpm: 673.5 PSGT3 Stage 1 · 5,750 rpm: 684.7 PSGT3 Stage 1 · 6,000 rpm: 694.5 PSGT3 Stage 1 · 6,250 rpm: 696.8 PSGT3 Stage 1 · 6,500 rpm: 689.5 PSGT3 Stage 1 · 6,750 rpm: 569 PSGT3 Stage 1 · 7,000 rpm: 445 PSGT3 Stage 1 · 7,050 rpm: 357.3 PSGT3 Stage 2 · 1,000 rpm: 23.9 PSGT3 Stage 2 · 1,250 rpm: 56.4 PSGT3 Stage 2 · 1,500 rpm: 128.1 PSGT3 Stage 2 · 1,750 rpm: 185.2 PSGT3 Stage 2 · 2,000 rpm: 256.3 PSGT3 Stage 2 · 2,250 rpm: 305.1 PSGT3 Stage 2 · 2,500 rpm: 355.9 PSGT3 Stage 2 · 2,750 rpm: 397.4 PSGT3 Stage 2 · 3,000 rpm: 440 PSGT3 Stage 2 · 3,250 rpm: 476.6 PSGT3 Stage 2 · 3,500 rpm: 513.3 PSGT3 Stage 2 · 3,750 rpm: 549.9 PSGT3 Stage 2 · 4,000 rpm: 586.6 PSGT3 Stage 2 · 4,250 rpm: 623.3 PSGT3 Stage 2 · 4,500 rpm: 659.9 PSGT3 Stage 2 · 4,750 rpm: 696.9 PSGT3 Stage 2 · 5,000 rpm: 733.3 PSGT3 Stage 2 · 5,250 rpm: 758.7 PSGT3 Stage 2 · 5,500 rpm: 783.1 PSGT3 Stage 2 · 5,750 rpm: 804.7 PSGT3 Stage 2 · 6,000 rpm: 825.2 PSGT3 Stage 2 · 6,250 rpm: 830.2 PSGT3 Stage 2 · 6,500 rpm: 814.4 PSGT3 Stage 2 · 6,750 rpm: 672 PSGT3 Stage 2 · 7,000 rpm: 525.6 PSGT3 Stage 2 · 7,050 rpm: 422.1 PSGT3 Stage 3 · 1,000 rpm: 23.9 PSGT3 Stage 3 · 1,250 rpm: 56.4 PSGT3 Stage 3 · 1,500 rpm: 102.5 PSGT3 Stage 3 · 1,750 rpm: 152.8 PSGT3 Stage 3 · 2,000 rpm: 216.4 PSGT3 Stage 3 · 2,250 rpm: 281.5 PSGT3 Stage 3 · 2,500 rpm: 355.9 PSGT3 Stage 3 · 2,750 rpm: 426.8 PSGT3 Stage 3 · 3,000 rpm: 504 PSGT3 Stage 3 · 3,250 rpm: 562.2 PSGT3 Stage 3 · 3,500 rpm: 622.9 PSGT3 Stage 3 · 3,750 rpm: 667.4 PSGT3 Stage 3 · 4,000 rpm: 711.9 PSGT3 Stage 3 · 4,250 rpm: 756.4 PSGT3 Stage 3 · 4,500 rpm: 800.9 PSGT3 Stage 3 · 4,750 rpm: 845.8 PSGT3 Stage 3 · 5,000 rpm: 889.9 PSGT3 Stage 3 · 5,250 rpm: 934.4 PSGT3 Stage 3 · 5,500 rpm: 978.9 PSGT3 Stage 3 · 5,750 rpm: 986.2 PSGT3 Stage 3 · 6,000 rpm: 991 PSGT3 Stage 3 · 6,250 rpm: 992.2 PSGT3 Stage 3 · 6,500 rpm: 993.9 PSGT3 Stage 3 · 6,750 rpm: 995.6 PSGT3 Stage 3 · 7,000 rpm: 997.2 PSGT3 Stage 3 · 7,250 rpm: 1,001.3 PSGT3 Stage 3 · 7,400 rpm: 965.1 PS
  • GT3
  • GT3 Stage 1
  • GT3 Stage 2
  • GT3 Stage 3
Power over rpm · GT3
rpmPS
1,00023.9
1,25056.4
1,500108.9
1,750157.5
2,000218.3
2,250256.4
2,500284.8
2,750313.2
3,000341.7
3,250370.2
3,500398.7
3,750427.1
4,000455.6
4,250484.1
4,500512.6
4,750529.9
5,000546
5,250561.3
5,500575.6
5,750588.1
6,000599.7
6,250599.8
6,500572.5
6,750472.4
7,000369.5
7,050296.7
Power over rpm · GT3 Stage 1
rpmPS
1,00023.9
1,25056.4
1,500121.2
1,750175.5
2,000243.2
2,250281.7
2,500317.1
2,750348.9
3,000380.6
3,250412.3
3,500444
3,750475.7
4,000507.4
4,250539.2
4,500570.9
4,750600.8
5,000630
5,250652.2
5,500673.5
5,750684.7
6,000694.5
6,250696.8
6,500689.5
6,750569
7,000445
7,050357.3
Power over rpm · GT3 Stage 2
rpmPS
1,00023.9
1,25056.4
1,500128.1
1,750185.2
2,000256.3
2,250305.1
2,500355.9
2,750397.4
3,000440
3,250476.6
3,500513.3
3,750549.9
4,000586.6
4,250623.3
4,500659.9
4,750696.9
5,000733.3
5,250758.7
5,500783.1
5,750804.7
6,000825.2
6,250830.2
6,500814.4
6,750672
7,000525.6
7,050422.1
Power over rpm · GT3 Stage 3
rpmPS
1,00023.9
1,25056.4
1,500102.5
1,750152.8
2,000216.4
2,250281.5
2,500355.9
2,750426.8
3,000504
3,250562.2
3,500622.9
3,750667.4
4,000711.9
4,250756.4
4,500800.9
4,750845.8
5,000889.9
5,250934.4
5,500978.9
5,750986.2
6,000991
6,250992.2
6,500993.9
6,750995.6
7,000997.2
7,2501,001.3
7,400965.1
Torque over rpm
05001,0001,50002,0004,0006,0008,000rpmNmGT3 · 1,000 rpm: 167.7 NmGT3 · 1,250 rpm: 316.9 NmGT3 · 1,500 rpm: 509.7 NmGT3 · 1,750 rpm: 632.3 NmGT3 · 2,000 rpm: 766.7 NmGT3 · 2,250 rpm: 800.3 NmGT3 · 2,500 rpm: 800 NmGT3 · 2,750 rpm: 800 NmGT3 · 3,000 rpm: 800 NmGT3 · 3,250 rpm: 800 NmGT3 · 3,500 rpm: 800 NmGT3 · 3,750 rpm: 800 NmGT3 · 4,000 rpm: 800 NmGT3 · 4,250 rpm: 800 NmGT3 · 4,500 rpm: 800 NmGT3 · 4,750 rpm: 783.5 NmGT3 · 5,000 rpm: 767 NmGT3 · 5,250 rpm: 750.9 NmGT3 · 5,500 rpm: 735 NmGT3 · 5,750 rpm: 718.4 NmGT3 · 6,000 rpm: 702 NmGT3 · 6,250 rpm: 674 NmGT3 · 6,500 rpm: 618.6 NmGT3 · 6,750 rpm: 491.5 NmGT3 · 7,000 rpm: 370.7 NmGT3 · 7,050 rpm: 295.6 NmGT3 Stage 1 · 1,000 rpm: 167.7 NmGT3 Stage 1 · 1,250 rpm: 316.9 NmGT3 Stage 1 · 1,500 rpm: 567.7 NmGT3 Stage 1 · 1,750 rpm: 704.2 NmGT3 Stage 1 · 2,000 rpm: 853.9 NmGT3 Stage 1 · 2,250 rpm: 879.5 NmGT3 Stage 1 · 2,500 rpm: 891 NmGT3 Stage 1 · 2,750 rpm: 891 NmGT3 Stage 1 · 3,000 rpm: 891 NmGT3 Stage 1 · 3,250 rpm: 891 NmGT3 Stage 1 · 3,500 rpm: 891 NmGT3 Stage 1 · 3,750 rpm: 891 NmGT3 Stage 1 · 4,000 rpm: 891 NmGT3 Stage 1 · 4,250 rpm: 891 NmGT3 Stage 1 · 4,500 rpm: 891 NmGT3 Stage 1 · 4,750 rpm: 888.3 NmGT3 Stage 1 · 5,000 rpm: 885 NmGT3 Stage 1 · 5,250 rpm: 872.5 NmGT3 Stage 1 · 5,500 rpm: 860 NmGT3 Stage 1 · 5,750 rpm: 836.3 NmGT3 Stage 1 · 6,000 rpm: 813 NmGT3 Stage 1 · 6,250 rpm: 783 NmGT3 Stage 1 · 6,500 rpm: 745 NmGT3 Stage 1 · 6,750 rpm: 592 NmGT3 Stage 1 · 7,000 rpm: 446.5 NmGT3 Stage 1 · 7,050 rpm: 356 NmGT3 Stage 2 · 1,000 rpm: 167.7 NmGT3 Stage 2 · 1,250 rpm: 316.9 NmGT3 Stage 2 · 1,500 rpm: 600 NmGT3 Stage 2 · 1,750 rpm: 743.2 NmGT3 Stage 2 · 2,000 rpm: 900 NmGT3 Stage 2 · 2,250 rpm: 952.3 NmGT3 Stage 2 · 2,500 rpm: 1,000 NmGT3 Stage 2 · 2,750 rpm: 1,015 NmGT3 Stage 2 · 3,000 rpm: 1,030 NmGT3 Stage 2 · 3,250 rpm: 1,030 NmGT3 Stage 2 · 3,500 rpm: 1,030 NmGT3 Stage 2 · 3,750 rpm: 1,030 NmGT3 Stage 2 · 4,000 rpm: 1,030 NmGT3 Stage 2 · 4,250 rpm: 1,030 NmGT3 Stage 2 · 4,500 rpm: 1,030 NmGT3 Stage 2 · 4,750 rpm: 1,030.5 NmGT3 Stage 2 · 5,000 rpm: 1,030 NmGT3 Stage 2 · 5,250 rpm: 1,014.9 NmGT3 Stage 2 · 5,500 rpm: 1,000 NmGT3 Stage 2 · 5,750 rpm: 982.9 NmGT3 Stage 2 · 6,000 rpm: 966 NmGT3 Stage 2 · 6,250 rpm: 933 NmGT3 Stage 2 · 6,500 rpm: 880 NmGT3 Stage 2 · 6,750 rpm: 699.2 NmGT3 Stage 2 · 7,000 rpm: 527.4 NmGT3 Stage 2 · 7,050 rpm: 420.5 NmGT3 Stage 3 · 1,000 rpm: 167.7 NmGT3 Stage 3 · 1,250 rpm: 316.9 NmGT3 Stage 3 · 1,500 rpm: 480 NmGT3 Stage 3 · 1,750 rpm: 613.2 NmGT3 Stage 3 · 2,000 rpm: 760 NmGT3 Stage 3 · 2,250 rpm: 878.8 NmGT3 Stage 3 · 2,500 rpm: 1,000 NmGT3 Stage 3 · 2,750 rpm: 1,090 NmGT3 Stage 3 · 3,000 rpm: 1,180 NmGT3 Stage 3 · 3,250 rpm: 1,215 NmGT3 Stage 3 · 3,500 rpm: 1,250 NmGT3 Stage 3 · 3,750 rpm: 1,250 NmGT3 Stage 3 · 4,000 rpm: 1,250 NmGT3 Stage 3 · 4,250 rpm: 1,250 NmGT3 Stage 3 · 4,500 rpm: 1,250 NmGT3 Stage 3 · 4,750 rpm: 1,250.6 NmGT3 Stage 3 · 5,000 rpm: 1,250 NmGT3 Stage 3 · 5,250 rpm: 1,250.1 NmGT3 Stage 3 · 5,500 rpm: 1,250 NmGT3 Stage 3 · 5,750 rpm: 1,204.6 NmGT3 Stage 3 · 6,000 rpm: 1,160 NmGT3 Stage 3 · 6,250 rpm: 1,115 NmGT3 Stage 3 · 6,500 rpm: 1,074 NmGT3 Stage 3 · 6,750 rpm: 1,036 NmGT3 Stage 3 · 7,000 rpm: 1,000.5 NmGT3 Stage 3 · 7,250 rpm: 970 NmGT3 Stage 3 · 7,400 rpm: 916 Nm
  • GT3
  • GT3 Stage 1
  • GT3 Stage 2
  • GT3 Stage 3
Torque over rpm · GT3
rpmNm
1,000167.7
1,250316.9
1,500509.7
1,750632.3
2,000766.7
2,250800.3
2,500800
2,750800
3,000800
3,250800
3,500800
3,750800
4,000800
4,250800
4,500800
4,750783.5
5,000767
5,250750.9
5,500735
5,750718.4
6,000702
6,250674
6,500618.6
6,750491.5
7,000370.7
7,050295.6
Torque over rpm · GT3 Stage 1
rpmNm
1,000167.7
1,250316.9
1,500567.7
1,750704.2
2,000853.9
2,250879.5
2,500891
2,750891
3,000891
3,250891
3,500891
3,750891
4,000891
4,250891
4,500891
4,750888.3
5,000885
5,250872.5
5,500860
5,750836.3
6,000813
6,250783
6,500745
6,750592
7,000446.5
7,050356
Torque over rpm · GT3 Stage 2
rpmNm
1,000167.7
1,250316.9
1,500600
1,750743.2
2,000900
2,250952.3
2,5001,000
2,7501,015
3,0001,030
3,2501,030
3,5001,030
3,7501,030
4,0001,030
4,2501,030
4,5001,030
4,7501,030.5
5,0001,030
5,2501,014.9
5,5001,000
5,750982.9
6,000966
6,250933
6,500880
6,750699.2
7,000527.4
7,050420.5
Torque over rpm · GT3 Stage 3
rpmNm
1,000167.7
1,250316.9
1,500480
1,750613.2
2,000760
2,250878.8
2,5001,000
2,7501,090
3,0001,180
3,2501,215
3,5001,250
3,7501,250
4,0001,250
4,2501,250
4,5001,250
4,7501,250.6
5,0001,250
5,2501,250.1
5,5001,250
5,7501,204.6
6,0001,160
6,2501,115
6,5001,074
6,7501,036
7,0001,000.5
7,250970
7,400916

Fitted

GT3 · what the stage has on board in the game

  • Audi 4.0 TFSI V8, Standard 600 PSAudi · 4.0 TFSI V8, standard (DJPB)The standard C8 engine as Audi rates it: 600 PS at 6,000-6,250 rpm and 800 Nm from 2,050 to 4,500 rpmMaker's figures
  • KW V4 3-Way Coilovers, Steel SpringsKW · V4 3-way coilovers 3A7100CZ, steel springsKit 3A7100CZ for the C8: 16 rebound, 6 low- and 14 high-speed bump clicks; steel springs replace the air suspensionOur estimate
  • GT3 Steel Race Brakes (19 in)GT3 race brakes · Steel race brakes for 19 in wheels (kit to be named)GT3 race brakes and pads behind 19-inch wheels: 5,600 Nm for 1.8 t, bias adjustable from 60 to 80 %; real kit to be namedOur estimate
  • APR GTC-500 71in Rear WingAPR Performance · GTC-500 71 in rear wing1,803 mm APR carbon wing on race-team swan-neck stands from the roof-spoiler ends, top 70 mm over the roof; L/D 8.88 (APR)Maker's figures
  • GT3 Front SplitterGT3 splitter · Flat carbon front splitter (size estimate)Flat carbon splitter, 2,100 mm wide with side extensions back to the front wheels, on black stays, run at 3 degreesOur estimate
  • Column-Mounted Race Display with Shift Lights7-inch display on the column cowl in front of the stock cluster, M4 GT3 race and warm-up pages, ten shift lights above the screenOur estimate
  • GT3 Front BumperDigital Drivers · RS6 GT3 body kit (own design)GRP race bumper with a wide singleframe and honeycomb mesh, chrome rings, and a level top under the widened front wingsOur estimate
  • GT3 Front WingsDigital Drivers · RS6 GT3 body kit (own design)Bolt-on GRP front wings, widened over the GT3 track, with a carbon louvre over the wheel and an open wheel-house exitOur estimate
  • GT3 Front Arch LinersDigital Drivers · RS6 GT3 body kit (own design)Dark liners inside the front wings that close the gap to the stock wheel archOur estimate
  • GT3 CanardsDigital Drivers · RS6 GT3 body kit (own design)Two carbon canards a side on the bumper cornersOur estimate
  • GT3 Rear Quarters with Closed Rear DoorsDigital Drivers · RS6 GT3 body kit (own design)Bolt-on rear quarters over closed rear doors, with a door scallop and side line; open wheel-house exit behind the wheelOur estimate
  • GT3 Side SkirtsDigital Drivers · RS6 GT3 body kit (own design)Body-colour side skirts from arch to arch, flush with the widened front wings and rear quartersOur estimate
  • Rear Arch LinersDigital Drivers · RS6 GT3 body kit (own design)Dark 1.5 mm liners inside the rear arches that hide the stock wheel-arch lipOur estimate
  • GT3 Rear BumperDigital Drivers · RS6 GT3 body kit (own design)Body-colour rear bumper with wheel-house exits, a dark lower part with carbon diffuser, rain light, oval tailpipe openingsOur estimate

Designs

the liveries of the car, picked in the game's garage

Designs
Historic Livery IMSA GTO 1989
Orange
Anthracite

Setups for this car

One per track, free like the car: Qualifying for a quick lap out of the pits, Race for a stint. The app installs them and keeps them up to date.

Stage (as chosen in the game)

TrackVersionBasisActions
Nürburgring Nordschleifev5calculatedSign in with Steam to download

All setups on the setups page

+Price breakdown · GT3 22 items · sum €243,189

What building the GT3 would cost in the real world.

  • A donor car in driver quality, 2026 list prices with their source, parts from the US with freight and import duty.
  • Labour at workshop rates; items without a list price are marked as an estimate.
  • Not a price you pay: here the car is free.
ItemAmountSource
Donor car: Audi RS 6 Avant C8 (600 PS), used€100,000mobile.de 2023 RS6 listings (looked up 2026-10-19): 121,900 EUR at 6,000 km, 79,999 EUR at 95,000 km suchen.mobile.de; Auto Zeitung: used C8 from about 65,000 EUR autozeitung.de
KW V4 3-way coilovers 3A7100CZ€6,479Tag Motorsports lists the 3A7100CZ (RS6/RS7 C8) at 7,534 USD (tagmotorsports.com; exchange rate only)
Race springs, set€600Estimateestimate: 600 EUR as on the E46 GT3's Nitron kit
APR Performance GTC-500 71" wing€1,970Kami Speed lists the GTC-500 71" at 2,291 USD (kamispeed.com; exchange rate only); no RS6 fitment is sold
Wing mounts on the tailgate, fabricated€800Estimateestimate
GT3 front splitter with rod kit€1,500Estimateestimate: nobody sells a GT3 splitter for the C8
GT3 brakes: front 390 mm 6-piston, rear 4-piston, discs, pedal box, ducts€16,000Estimateestimate: the E46 GT3's line (Alcon GT 390 front kit 9,075 USD, AP CP9668 caliper 1,133-1,394 EUR each); no RS6 race brake kit researched yet
Centre-lock wheels 18x12 / 18x13, set€7,500Estimateestimate: as on the E46 Rennsport (research/2026-10-15-preischeck/sources.md)
Centre-lock hubs, nuts, wheel gun€6,500Estimateestimate: as on the E46 Rennsport
Pirelli DHF 325/680, set€2,400Estimateestimate: as on the E46 Rennsport (same sizes)
120 l FT3 safety cell + pumps€5,800Estimateestimate: the E46 GT3's 100 l cell 4,800 EUR, scaled up
Welded FIA cage, kit only (fitting in labour)€3,000Estimateestimate: the E46's 1,800 EUR kit, longer for the Avant
Carbon bonnet€3,000Estimateestimate: DarwinPRO's C8 hoods 1,050-4,400 USD (research/2026-10-18-audi-golf-lineup/chassis-aero-body-rs6.md)
Carbon doors (four) and tailgate€12,000Estimateestimate: nobody sells them for the C8
Polycarbonate rear, side and tailgate windows€2,500Estimateestimate
Race seat + harness€2,500Estimateestimate: as on the E46 cars
Safety extras: plumbed extinguisher, kill switch€1,000Estimateestimate: as on the E46 cars
Air jacks, set€4,000Estimateestimate
Race electronics: power distribution, loom after the strip-out€12,000Estimateestimate: the E46 Rennsport's 17,000 EUR line without its own engine loom
Labour: strip-out and glazing 40 h, cage 100 h, cell 20 h, suspension, brakes and hubs 30 h, panels and aero 30 h, wiring 60 h (280 h)€47,600Estimateestimate: 280 h x 170 EUR (net; German workshop rate over 200 EUR/h incl. VAT, GDV / auto motor und sport 7 Oct 2025, auto-motor-und-sport.de)
Club livery as a printed full wrap€4,000Estimateestimate: 3,500-5,000 EUR for a printed full wrap
Labour: alignment, corner weights, shakedown (12 h)€2,040Estimateestimate: 12 h x 170 EUR (net; German workshop rate over 200 EUR/h incl. VAT, GDV / auto motor und sport 7 Oct 2025, auto-motor-und-sport.de)
Sum of items €243,189 · rounded as the price tagapprox. €243,000
+Changelog v35 11/1/2026
  • The front slick is now a bespoke hard compound on every stage, so it takes less heat under load; a fictional compound (no real tyre cited), the rear slick is unchanged.
  • Transaxle layout: 52 % of the weight on the front axle instead of 56 %, gearbox and centre differential at the rear axle, total weight unchanged, nothing visible changes (an estimate, not a real car).
  • Brake bias 56 %, its range now starts at 52 %; wing at +1 for about 40 % of the downforce on the front axle; wing and splitter keep their place on the body.
  • New Nordschleife setups for all stages with new cold pressures (estimates); older setups still carry the old bias and pressures, so please use the new ones.
+The original

The car

The Audi RS6 GT3 is the Digital Drivers race build of the RS 6 Avant C8: the twin-turbo V8 estate with quattro drive, rebuilt the way a GT3 car is built. No real GT3 RS6 exists, so this car combines real parts that fit the C8 with GT3 practice: KW V4 three-way coilovers with steel springs instead of the air suspension, GT3 steel brakes behind 19-inch wheels, 325 mm GT3 slicks, an APR GTC-500 rear wing and a GT3 splitter.

The standard 4.0 TFSI V8 with Audi's 600 PS drives through the ZF eight-speed gearbox and the Torsen centre differential as in the road car; the rear-wheel steering and the driving modes are removed. Three tuning stages follow real products for this engine, from software and downpipes to MTM's hybrid turbochargers with 1,001 PS.

1,650 kg in the game with driver and without fuel (an estimate from an itemised parts list), 52 % on the front axle with the gearbox and centre differential at the rear axle, the cooling package in the boot and 44 kg of ballast, 120 l safety cell. The body is our own GT3 kit for the C8: bolt-on wings and quarters 40 / 60 mm wider a side over the GT3 track, closed rear doors with a side scoop, louvres, race bumpers, canards and a carbon diffuser.

The original

Audi built the RS 6 Avant C8 from 2019: a 4.0-litre twin-turbo V8 with 600 PS and 800 Nm, an eight-speed automatic, quattro drive with a Torsen centre differential, rear-wheel steering and air suspension, about 2.1 tonnes. The RS 6 Avant performance followed with 630 PS.

No racing RS6 exists: Audi's GT3 car is the mid-engined R8 LMS, and the only racing estate of note was Volvo's 850 in the 1994 BTCC. Tuners took the C8 to about 1,000 PS on the stock engine block; this build puts that engine into a GT3-style chassis.

+Chassis, tyres, brakes, gears and aero

Chassis

Weight1,650 kg
Weight on the front52 %
Centre of gravity height426 mm
Wheelbase2,929 mm
Track front / rear1,747 / 1,765 mm
Length × width4,769 × 2,103 mm

Tyres and wheels

Front325/680 R18
Rear325/680 R18
CompoundPirelli P Zero Hard slick 325/675-19 (bespoke)
Rims19x12 Centre-Lock Wheels (Ferrari 488 Stand-in)

Brakes and tank

SystemGT3 steel race brakes for 19 in wheels (real kit to be named)
Frontsteel disc and race caliper, size to be named
Rearsteel disc and race caliper, size to be named
Brake bias range52 – 80 %
Fuel cell120 l

Base setup

Brake bias front56 %
ABS7
TC3
Ride height front / rear75 / 85 mm
Wing1°
Fuel60 l

Engine

Power600 PS
Torque800 Nm
Limiter7,050 rpm
Final drive3.2
Top speed (estimate)284 km/h

Speed per gear at the limiter (theoretical)

Gear 158 km/h
Gear 288 km/h
Gear 3131 km/h
Gear 4165 km/h
Gear 5214 km/h
Gear 6276 km/h
Gear 7328 km/h
Gear 8413 km/h
Aero balance over speed
40600100200300km/h% front60 km/h: 40.6 % front80 km/h: 40.6 % front100 km/h: 40.6 % front120 km/h: 40.6 % front140 km/h: 40.6 % front160 km/h: 40.6 % front180 km/h: 40.6 % front200 km/h: 40.6 % front220 km/h: 40.6 % front240 km/h: 40.6 % front260 km/h: 40.6 % front280 km/h: 40.6 % front
Aero balance over speed
km/h% front
6040.6
8040.6
10040.6
12040.6
14040.6
16040.6
18040.6
20040.6
22040.6
24040.6
26040.6
28040.6
+Suspension adjusters · KW V4 3-Way Coilovers, Steel Springs
AdjusterMinMaxStepUnit
Spring rate front (at the wheel)10025010N/mm
Spring rate rear (at the wheel)10025010N/mm
Ride height front501201mm
Ride height rear501201mm
Low-speed bump front3,1608,4601,060N s/m
Low-speed rebound front5,05015,850720N s/m
High-speed bump front1,8905,400270N s/m
Low-speed bump rear2,5406,790850N s/m
Low-speed rebound rear4,47013,920630N s/m
High-speed bump rear1,2303,830200N s/m

Take them out on our Club Cars server: Practice

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