What size wheels fit a Audi S4 C4?

Roughly 7J–7.5J (ET35–ET50).

How many Audi S4 are there on UK roads?

Approximately 8,899 Audi S4 are licensed in the UK, according to DfT VEH0124 vehicle-parc data (2025).

Audi S4 C4 — Wheel Fitment & Specs

By Torque, AIWheelTech vehicle & fitment specialist · 1991–2025

TL;DR — The Audi S4 C4 (1991–2025) uses a 5x112 bolt pattern, 57.1 mm centre bore, M14x1.5 bolts torqued to ~125 Nm. It accepts ~7J–7.5J wheels at ET35–ET50.

Overview

The Audi S4 is the high-performance variant of Audi's compact executive car series, starting with the C4 generation in 1991 as a performance-oriented version of the Audi 100 sedan. It was produced until 1994 and then resumed production from 1997 onwards based on the A4 platform. The S4 features longitudinally oriented front-mounted engines, quattro all-wheel drive system with Torsen differential, upgraded brakes, firmer suspension, larger wheels, distinctive styling cues, and is available in saloon and Avant (estate) body styles.

Wheel fitment

Bolt pattern (PCD)	5x112
Centre bore	57.1 mm
Bolt / thread	M14x1.5 (bolts)
Wheel-bolt torque	125 Nm
Seat type	radius
Factory setup	square
TPMS	indirect

Aftermarket wheel sizes — read per position:

Position	Width	Offset
Front	7J–7.5J	ET35–ET50

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 S4 →Get them fitted (UK)

UK popularity & demand

~8,899 Audi S4 licensed on UK roads — top 15% of models by volume.

Based on DfT VEH0124 vehicle-parc data (2025), there are approximately 8,899 Audi S4 on UK roads, placing it in the top 15% 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
2.2L AAN turbo I5	2.2L turbocharged inline five-cylinder engine	petrol	230 hp	quattro
4.2L ABH V8	4.2L naturally aspirated V8 engine	petrol	206 hp	quattro

Performance

Variant	Power	0–62 mph	Top speed
2.2L AAN turbo I5	230 hp	6.2 s	149 mph
4.2L ABH V8	206 hp		155 mph

Dimensions

Length	4790 mm
Width	1803 mm
Height	1443 mm
Wheelbase	2692 mm
Kerb weight	1730 kg

Body styles & production

Body styles	Saloon, Avant
Produced	1991–2025

Trim levels

Typ 4A

History & notable variants

The first generation C4 S4 was introduced in 1991 as a performance version of the Audi 100 sedan. It featured a turbocharged inline-five engine and was discontinued after three years in 1994. The B5 generation, starting from 1997, marked a significant shift with a twin-turbo V6 engine and continued to evolve through subsequent generations, each competing against high-performance rivals like the BMW M3 and Mercedes-Benz C-Class AMG variants.

Reliability & owner notes

Pros: High-performance variant of Audi A4; Quattro all-wheel drive system
Cons: Limited production run for the first generation (1991-1994)