How many Audi A6 are there on UK roads?

Approximately 128,620 Audi A6 are licensed in the UK, according to DfT VEH0124 vehicle-parc data (2025).

Audi A6 wheel fitment — C6

By Torque, AIWheelTech vehicle & fitment specialist · 2004–2008

Before you buy wheels, the Audi A6 wheel fitment facts: The Audi A6 C6 (2004–2008) uses a 5x112 bolt pattern, 57.1 mm centre bore, M14x1.5 bolts torqued to ~120 Nm. It accepts ~7J–9J wheels at ET27–ET45.

Audi A6 wheel fitment

Audi A6 wheel fitment for the Audi A6 C6 (2004–2008): the factory PCD, centre bore and bolt spec, then the aftermarket width and offset window we fit to.

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	7J–9J	ET27–ET45

Go wider and the offset has to rise with it, about 8 to 10 ET per extra 1J, or the wheel pokes past the arch. The fit-check settles the exact offset and any spacer.

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.

With that many on the road, Audi A6 wheel fitment is a spec fitters see constantly. We keep it current for that reason.

Source: DfT/DVLA licensed-vehicle statistics (VEH0124), matched to the AIWheelTech fitment database.

Overview

The Audi A6 C6 is an executive car manufactured by Audi AG, succeeding the C5 generation and preceding the C7. It was produced from 1998 to 2004 for the saloon variant and until 2005 for the Avant (estate) model. The C6 series continued the tradition of offering both front-wheel-drive and quattro all-wheel-drive options, with a range of petrol and diesel engines available across various markets. This generation saw improvements in design, technology, and performance over its predecessor, maintaining Audi's reputation for engineering excellence and luxury.

Dimensions

Length	4,916 to 5,012 mm
Width	1,855 mm
Height	1,459 to 1,485 mm
Wheelbase	2,759 to 2,847 mm
Kerb weight	1,520 to 2,025 kg

Source: Audi A6 C6, de.wikipedia.org.

Body styles & production

Body styles	Limousine, Kombi
Produced	2004–2008

Engines & drivetrain

Variant	Engine	Fuel	Power	Drive, years
2.0 L I4 Turbo
2.4 L V6
2.8 L V6 FSI		petrol
3.0 L V6 (China)
3.0 L V6 Supercharged		petrol
3.2 L V6 FSI		petrol
4.2 L V8
5.0 L V10 biturbo
5.2 L V10
2.0 L I4 TDI		diesel
2.7 L V6 TDI		diesel
3.0 L V6 TDI		diesel

Source: Audi A6, en.wikipedia.org.

Trim levels

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Factory colours

Cerise MetallicBrillantschwarzAmethystgrau PearlIndigo MetallicBrillantblauTornado RedAluminum Silver MetallicSmaragdgruen PearlEmerald PearlNogaro Blue PearlPearl Escent WhiteMing Blue MicaSamatblauCasablancaweissVulkanschwarz PearlRubin Red PearlEuropeanblau PearlEuropa Blue MicaPelican Blue MetallicTitanium Gray Metallic

History & notable variants

The A6 C6 was introduced as an evolution of the previous model, featuring subtle exterior changes such as revised front and rear styling elements to enhance aerodynamics and aesthetics. It received a mid-cycle refresh in 2004, known as a facelift (LCI), which included updates to the interior design, infotainment systems, and engine options. Notable variants include the S6 performance model and the allroad quattro for off-road capabilities.

Reliability & owner notes

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Cons: null
Common issues: null