Audi A6 C8

Audi A6 C8 — Wheel Fitment & Specs

By Torque, AIWheelTech vehicle & fitment specialist · 1994–present
TL;DR — The Audi A6 C8 (1994–present) uses a 5x112 bolt pattern, 66.6 mm centre bore, M14x1.5 bolts torqued to ~120 Nm. It accepts ~7.5J–10J wheels at ET22–ET50.

Overview

The Audi A6 C8 is an executive car manufactured by Audi AG from 2018 to 2023, succeeding the A6 C7 and continuing the lineage of the Audi 100 series. It was produced in Neckarsulm, Germany, and offered as a saloon (sedan) and Avant (estate/wagon). The platform is based on Volkswagen Group's Premium architecture, featuring advanced technology and design improvements over its predecessor.

Wheel fitment

Bolt pattern (PCD)5x112
Centre bore66.6 mm
Bolt / threadM14x1.5 (bolts)
Wheel-bolt torque120 Nm
Seat typeradius
Factory setupsquare
TPMSindirect

Aftermarket wheel sizes — read per position:

PositionWidthOffset
Front7.5J–10JET22–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 A6 →Get them fitted (UK)

UK popularity & demand

~128,620 Audi A6 licensed on UK roads — top 3% of models by volume.

Based on DfT VEH0124 vehicle-parc data (2025), there are approximately 128,620 Audi A6 on UK roads, placing it in the top 3% 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

VariantEngineFuelPowerDrive
4.2 32v (AHK)4.2L V8 DOHCpetrol240 hpQuattro
4.2 32v (AEC)4.2L V8 DOHCpetrol213 hpQuattro
2.2 20v Turbo (AAN)2.2L Inline-5 DOHCpetrol169 hpQuattro
2.8 30v (ACK)2.8L V6 DOHCpetrol142 hpQuattro
2.8 12v (AAH)2.8L V6 SOHCpetrol128 hpQuattro
2.0 8v MPFI2.0L Inline-4 SOHCpetrol115 hpQuattro
2.5 TDI 10v2.5L Inline-5 SOHCdiesel115 hpQuattro
2.4 12v (AFM)2.4L V6 SOHCpetrol110 hpQuattro
2.6 12v (ABC)2.6L V6 SOHCpetrol110 hpQuattro
2.0 16v (ACE)2.0L Inline-4 DOHCpetrol103 hpQuattro
2.3 10v (AAR)2.3L Inline-5 SOHCpetrol98 hpQuattro
1.8 20v (ADR)1.8L Inline-4 DOHCpetrol92 hpQuattro
2.0 8v SPFI (ABK)2.0L Inline-4 SOHCpetrol74 hpQuattro
1.9 TDI 8v1.9L Inline-4 SOHCdiesel66 hpQuattro

Performance

VariantPower0–62 mphTop speed
4.2 32v (AHK)240 hp5.6 s149 mph

Dimensions

Length4797 mm
Width1783 mm
Height1430 mm
Wheelbase2687 mm
Kerb weight1480 kg

Body styles & production

Body stylesSaloon, Avant
Produced1994–present

Trim levels

PremiumPremium PlusTechnikS line

History & notable variants

The A6 C8 received a mid-cycle refresh in 2021, introducing new exterior styling elements such as redesigned headlights and taillights. Notable performance variants include the S6 and RS 6 models, with the latter being particularly acclaimed for its high-performance capabilities. The model has been well-received by automotive critics, earning several awards including World Car of the Year nominations.

Reliability & owner notes