53,165 on UK roads in 2025-5,907 vs 2024
On the road
53,165
53,165 licensed
Change vs 2024
-10%
-5,907 cars
New in 2025
6
first-time registrations
Electrified
0%
hybrid, plug-in & battery
The Mazda 6 is a common sight on UK roads, with 53,165 licensed in 2025 - down 10% on 2024. 6 were registered new in 2025. The fleet is overwhelmingly diesel (52%), with most in the 2.0-3.0L class. Most date from the 2015-2019 era.
Licensed Mazda 6 cars on the road over time
First-time registrations per year
Fuel, engine size and age across every Mazda 6 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 Mazda 6 holds up at its MOT and how it's driven - from 67,791 tests, tracked across 2022-2025.
Average for its class
73.6%
67,791 MOT tests in 2025 · 55,106 first-time
Pass rate over time
2022
76.5%
2023
75.4%
2024
74.6%
2025
73.6%
▼ 2.9 pts since 2022
First-time pass rate by the car's age (tested in 2025)
How a Mazda 6 is driven
tracked across 2022-25miles a year, from 65,927 cars tracked across years
28.7%
low · <5k
64.4%
avg · 5-15k
6.9%
high · 15k+
Most cover 4,616-10,085 miles a year (median 7,080).
Yearly mileage as the car ages
Driven most when newer, easing as it gets older.
Mileage & condition
Odometer when tested (2025)
Typical odometer rising: 85,190 → 88,284 → 91,583 → 94,824
Pass rate as the odometer climbs
First-time pass rate by fuel
Diesel
29,170 tests
72.9%
Petrol
25,917 tests
74.5%
A 2025 Mazda 6 passes first time 73.6% of the time - below the 77.6% UK average, and easing slightly year on year. The typical one is driven about 7,836 miles a year, and reliability is mostly about miles: 88.5% of low-mileage cars pass versus 66% past 120k.
Of 14,522 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 Mazda 6, run its registration through AnalyzeMyCar for MOT history, mileage checks, service history and valuation.
