What size wheels fit a Audi A4 B6?

Roughly 6.5J–8.5J (ET18–ET45).

How many Audi A4 are there on UK roads?

Approximately 242,314 Audi A4 are licensed in the UK, according to DfT VEH0124 vehicle-parc data (2025).

Audi A4 B6 — Wheel Fitment & Specs

By Torque, AIWheelTech vehicle & fitment specialist · 1994–2025

TL;DR — The Audi A4 B6 (1994–2025) uses a 5x112 bolt pattern, 57.1 mm centre bore, M14x1.5 bolts torqued to ~120 Nm. It accepts ~6.5J–8.5J wheels at ET18–ET45.

Overview

The Audi A4 B6, introduced in October 2000, is a luxury compact executive car produced by Audi AG on the Volkswagen Group B6 platform. It succeeded the B5 generation and marked a shift towards more modern styling inspired by the C5 Audi A6. The B6 featured updated engines with power upgrades and new technologies like Fuel Stratified Injection (FSI) for petrol models, enhancing performance while maintaining Audi's reputation for build quality and safety.

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	6.5J–8.5J	ET18–ET45

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.

Browse wheels that fit a Audi A4 →Get them fitted (UK)

UK popularity & demand

~242,314 Audi A4 licensed on UK roads — top 1% of models by volume.

Based on DfT VEH0124 vehicle-parc data (2025), there are approximately 242,314 Audi A4 on UK roads, placing it in the top 1% 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
RS4, 2.7L V6 30v Biturbo	2.7L V6 engine	petrol	380 hp	quattro
S4, 2.7L V6 30v Biturbo	2.7L V6 engine	petrol	265 hp	quattro
2.8L V6 30v DOHC	2.8L V6 engine	petrol	193 hp	FWD
2.4L V6 30v DOHC BDV Engine	2.4L V6 engine	petrol	165 hp	FWD
1.8T I4 20v DOHC Turbo	1.8L Straight-four engine	petrol	150 hp	FWD
2.6L V6 12v SOHC	2.6L V6 engine	petrol	150 hp	FWD
2.5L V6 TDI 24v DOHC	2.5L V6 engine	diesel	150 hp	quattro
1.8L I4 20v DOHC	1.8L Straight-four engine	petrol	125 hp	FWD
1.9L I4 8v SOHC PD TDI	1.9L Straight-four engine	diesel	115 hp	FWD
1.6L I4 8v SOHC	1.6L Straight-four engine	petrol	102 hp	FWD
1.9L I4 8v SOHC TDI	1.9L Straight-four engine	diesel	90 hp	FWD

Performance

Variant	Power	0–62 mph	Top speed
1.6L I4 8v SOHC	102 hp	11.9 s	118 mph
1.8L I4 20v DOHC	125 hp	10.5 s	127 mph
1.8T I4 20v DOHC Turbo	150 hp	8.3 s	139 mph
2.4L V6 30v DOHC BDV Engine	165 hp	8.4 s	137 mph
2.6L V6 12v SOHC	150 hp	9.1 s	134 mph
S4, 2.7L V6 30v Biturbo	265 hp	5.7 s	154 mph
RS4, 2.7L V6 30v Biturbo	380 hp	4.9 s	159 mph
2.8L V6 30v DOHC	193 hp	7.4 s	145 mph
1.9L I4 8v SOHC TDI	90 hp	13.3 s	105 mph
1.9L I4 8v SOHC PD TDI	115 hp	10.5 s	115 mph
2.5L V6 TDI 24v DOHC	150 hp	9 s	130 mph

Dimensions

Length	4625 mm
Width	1780 mm
Height	1430 mm
Wheelbase	2610 mm

Body styles & production

Body styles	Sedan, Avant (station wagon), Cabriolet
Produced	1994–2025

Trim levels

SES lineUltra Sport

Factory colours

Arctic Silver MetallicNavarra Blue Pearl Effect

History & notable variants

The B6 underwent minor updates throughout its production run but saw significant facelifts in 2004 leading to the B7 generation. Notable changes included revised steering settings, suspension geometry, and advanced electronic stability control systems. The A4 Cabriolet variant was introduced for this generation, replacing earlier models.

Reliability & owner notes

Pros: Advanced engine technology (FSI), improved safety features, modern styling
Cons: Continuously variable transmission issues reported by consumers
Common issues: Multitronic transmission prone to electronic and mechanical problems