Audi RS4 B8 — Wheel Fitment & Specs
Overview
The Audi RS4 is a high-performance variant of the Audi A4 range produced by Audi Sport GmbH for AUDI AG. It sits above the S4 as the fastest and most sports-focused car based on the Volkswagen Group B platform. The RS4 was reintroduced in 2012, based on the A4 Avant instead of the sedan as did the original model. Each generation has been produced with occasional gaps in production.
Wheel fitment
| Bolt pattern (PCD) | 5x112 |
| Centre bore | 66.6 mm |
| Bolt / thread | M14x1.5 (bolts) |
| Wheel-bolt torque | 120 Nm |
| Seat type | radius |
| Factory setup | square |
| TPMS | indirect |
Aftermarket wheel sizes — read per position:
| Position | Width | Offset |
|---|---|---|
| Front | 8J–9.5J | ET10–ET31 |
As a rule, each extra 1J of width wants roughly +8–10 ET to keep the wheel tucked. The exact offset and any spacer are confirmed by the fit-check.
UK popularity & demand
Based on DfT VEH0124 vehicle-parc data (2025), there are approximately 5,870 Audi RS4 on UK roads, placing it in the top 17% of car models by volume across our fitment database. That makes its wheel fitment a high-demand size to keep in stock — one reason we track its exact spec here.
Source: DfT/DVLA licensed-vehicle statistics (VEH0124), matched to the AIWheelTech fitment database.
Engines & drivetrain
| Variant | Engine | Fuel | Power | Drive |
|---|---|---|---|---|
| B7 RS4 | 4.2L V8 FSI | petrol | 420 hp | quattro |
| B5 RS4 | 2.7L V6 biturbo | petrol | 370 hp | quattro |
Performance
| Variant | Power | 0–62 mph | Top speed |
|---|---|---|---|
| B5 RS4 | 370 hp | 4.9 s | 155 mph |
| B7 RS4 | 420 hp | 4.5 s | 155 mph |
Dimensions
| Length | 4525 mm |
| Width | 1799 mm |
| Height | 1386 mm |
| Wheelbase | 2607 mm |
| Kerb weight | 1620 kg |
Body styles & production
| Body styles | Avant |
| Produced | 1999–2025 |
| Units produced | 6,030 |
Trim levels
History & notable variants
The first generation (B5) was introduced in late 1999 and only available as an Avant. The second generation (B7) was initially a four-door saloon, followed by the Avant and Cabriolet versions. Notable for pioneering Audi's latest technology and featuring advanced aerodynamics and performance enhancements.
Reliability & owner notes
- Pros: High-performance V6 engine, advanced aerodynamics, pioneering technology
- Cons: Limited production run, high price point