129,631 on UK roads in 2025-3,840 vs 2024
On the road
130k
129,631 licensed
Change vs 2024
-2.9%
-3,840 cars
New in 2025
4,367
first-time registrations
Electrified
4.1%
hybrid, plug-in & battery
The Audi A6 is a common sight on UK roads, with 129,631 licensed in 2025 - down 2.9% on 2024. 4,367 were registered new in 2025. The fleet is overwhelmingly diesel (85%), with most in the 2.0-3.0L class. Most date from the 2015-2019 era.
Licensed Audi A6 cars on the road over time
First-time registrations per year
Fuel, engine size and age across every Audi A6 on the road today.
Current split
Engine size
Cars on the road by engine capacity
How old are they?
Share of cars by the year they were first registered
How a Audi A6 holds up at its MOT and how it's driven - from 128,942 tests, tracked across 2022-2025.
Average for its class
82.4%
128,942 MOT tests in 2025 · 111,289 first-time
Pass rate over time
2022
83.2%
2023
82.8%
2024
82.3%
2025
82.4%
▼ 0.8 pts since 2022
First-time pass rate by the car's age (tested in 2025)
How a Audi A6 is driven
tracked across 2022-25miles a year, from 125,327 cars tracked across years
21.2%
low · <5k
67.2%
avg · 5-15k
11.6%
high · 15k+
Most cover 5,443-11,571 miles a year (median 8,177).
Yearly mileage as the car ages
Driven most when newer, easing as it gets older.
Mileage & condition
Odometer when tested (2025)
Typical odometer rising: 99,333 → 104,306 → 109,311 → 114,363
Pass rate as the odometer climbs
First-time pass rate by fuel
Diesel
101,821 tests
82.2%
Petrol
9,394 tests
85.5%
A 2025 Audi A6 passes first time 82.4% of the time - above the 77.6% UK average, and easing slightly year on year. The typical one is driven about 9,140 miles a year, and reliability is mostly about miles: 91.5% of low-mileage cars pass versus 77.9% past 120k.
Of 19,541 first-time fails, here's what gets flagged most. Most cars fail on more than one item, so shares add up past 100%.
Share of failed tests, by area
Exact items most often recorded as the reason a car failed
Before you buy a specific Audi A6, run its registration through AnalyzeMyCar for MOT history, mileage checks, service history and valuation.
