| Donor car: VW Golf 8 R (320 PS), used | €37,000 | AUTO BILD / AutoScout24 listings of 2022 Golf R (looked up 2026-10-25): 33,450-39,990 EUR at 11,500-48,500 km gebrauchtwagen.autobild.de |
| Audi 2.5 TFSI five-cylinder, used | €14,000 | Estimateestimate: a used complete DAZA (RS3 8V, 54,000 miles) was listed on eBay at 14,999 USD without shipping and duty (looked up 2026-10-25); no EA855evo (8Y) engine found on its own |
| RS3 DQ500 seven-speed DSG and quattro driveline with Torsen centre and rear differentials, used | €8,000 | Estimateestimate: no used prices researched; every five-cylinder Golf found runs the DQ500 and the RS3's rear drive; the Torsen centre and rear differentials (the drive of our RS6 GT3) priced like the RS3 parts they replace (research/2026-10-18-audi-golf-lineup/engine-golf-and-dahlback.md section 3.3) |
| Swap parts: mounts, RS3 rear subframe, cooling, exhaust, loom and coding | €7,000 | Estimateestimate: the DAZA Golf swaps (AKA/SAR, Humble Mechanic, Agron Coma) publish no prices (research/2026-10-18-audi-golf-lineup/engine-golf-and-dahlback.md section 3.3) |
| KW V4 3-way coilovers | €6,479 | Estimateestimate: no Golf 8 R price found; KW's V4 for the RS6 C8 (3A7100CZ) is 7,534 USD at Tag Motorsports (tagmotorsports.com; exchange rate only) |
| Race springs, set | €600 | Estimateestimate: 600 EUR as on the E46 GT3's Nitron kit |
| Steel race brakes: 6-piston front, 2-piston rear, discs, pedal box with bias bar, ducts | €10,000 | Estimateestimate: TCR-class layout (378 mm 6-piston front, 272 mm 2-piston rear, research/2026-10-18-audi-golf-lineup/chassis-aero-body-golf.md section 6); vagbremtechnic's AP Racing Radical II 6-piston road kit for the Golf 8 R front alone costs 2,249-2,466 GBP awesomegti.com |
| Race wheels 10 x 18, set | €3,000 | Estimateestimate |
| Pirelli DHF 275/645-18 slicks, set | €2,000 | Estimateestimate: below the E46 Rennsport's 325 set of 2,400 EUR |
| 100 l FT3 safety cell + pumps | €4,800 | Estimateestimate: as the E46 GT3's 100 l cell |
| Welded FIA cage, kit only (fitting in labour) | €2,000 | Estimateestimate: the E46's 1,800 EUR kit, for the five-door Golf |
| Race seat + harness | €2,500 | Estimateestimate: as on the E46 cars |
| Safety extras: plumbed extinguisher, kill switch | €1,000 | Estimateestimate: as on the E46 cars |
| Carbon front splitter, 2,050 mm, with support rods, fabricated | €1,500 | Estimateestimate: a fabricated flat carbon plate 2,050 x 468 mm; Oettinger's Golf 8 R road splitter costs 790 EUR, Zaero's Golf 7.5 GTI TCR splitter 199 EUR, both much smaller (research/2026-10-18-audi-golf-lineup/chassis-aero-body-golf.md section 3) |
| TCR rear wing: 1,400 x 280 mm carbon blade on truss end plates and a carbon spoiler cap | €3,000 | Estimateestimate: ReVerie's universal top-mounted carbon wing 225 mm x 1,240 mm costs 1,695.84 GBP (about 1,950 EUR, mounts sold separately; reverie.ltd.uk, looked up 2026-10-30); our blade is larger, the truss end plates and the spoiler cap are fabricated |
| Carbon canards with flicks, pair | €500 | Estimateestimate: Oettinger's Golf 8 R flaps cost 350 EUR primed (research/2026-10-18-audi-golf-lineup/chassis-aero-body-golf.md section 3); ours are carbon with flicks |
| Wide body kit (GRP): front and rear bumper, front and rear arch flares, side skirts, rear bumper lights | €9,980 | Estimateestimate: our own design; priced like Oettinger's multi-part TCR Germany Street body kit for the Golf 7 GTI (about 80 mm wider, with a TUV road-use report), 9,980 EUR (AUTO BILD, autobild.de, looked up 2026-10-30) |
| Primer and paint of the wide-body parts | €2,500 | Estimateestimate: GRP bumpers, four flares and skirts primed and painted under the wrap |
| Labour: strip-out 30 h, engine, gearbox and rear drive swap 120 h, cage 90 h, cell 20 h, suspension and brakes 20 h, wide body and aero 50 h, wiring and coding 30 h (360 h) | €61,200 | Estimateestimate: 360 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); wide body and aero: arches cut, flares, bumpers, skirts, wing, splitter and canards fitted (40 h more than the 10 h for wing and splitter on the road body) |
| Livery as a printed full wrap | €3,500 | Estimateestimate: 3,500-5,000 EUR for a printed full wrap, a compact car |
| BAR-TEK EA855evo Stage 2 bundle: downpipe, intake, power pipe | €3,810 | BAR-TEK tuning guide 2.5 TFSI, bundle 3,809.50 EUR (bar-tek.com; research/2026-10-18-audi-golf-lineup/engine-golf-and-dahlback.md section 3.2) |
| Engine oil cooler (required by BAR-TEK from Stage 2) | €800 | Estimateestimate: not in the bundle price |
| DEKA HD1100 DQ500 clutch pack | €2,666 | Iroz Motorsport 3,099.99 USD (irozmotorsport.com; exchange rate only; research/2026-10-18-audi-golf-lineup/engine-golf-and-dahlback.md section 2.3) |
| Labour: Stage 2 parts, clutch pack and software (10 h) | €1,700 | Estimateestimate: 10 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) |
| Dyno session | €500 | Estimateestimate |
| Labour: alignment, corner weights, shakedown (12 h) | €2,040 | Estimateestimate: 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) |