Audi RS4 B5 — Wheel Fitment & Specs
Overview
The Audi RS 4 B5 is a high-performance variant of the Audi A4 range produced by Audi Sport GmbH from 1999 to 2001, sitting above the S4 as the fastest and most sports-focused car based on the Volkswagen Group B platform. It was available only in an Avant (station wagon) body style, marking a departure from its predecessor, the RS2 Avant, which was a joint venture with Porsche.
Wheel fitment
| Bolt pattern (PCD) | 5x112 |
| Centre bore | 57.1 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 | 7.5J–9J | ET10–ET29 |
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 (station wagon) |
| Produced | 1999–2025 |
| Units produced | 6,030 |
Trim levels
History & notable variants
The original Audi RS 4 B5 was introduced late in 1999 and produced until 2001. It succeeded the Audi RS2 Avant and was built on the Volkswagen Group B5 platform shared with the A4 and S4 models. The car featured significant aerodynamic modifications, including unique front and rear bumpers and side sills, achieving a drag coefficient of C<sub>d</sub> 0.34.
Reliability & owner notes
- Pros: High-performance V6 engine with twin turbos; advanced aerodynamics; robust quattro all-wheel drive system
- Cons: Limited production run; only available in station wagon body style