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Mazda 6 Ts D 121 Reliability, MOT Pass Rate & Common Faults

Free Mazda 6 Ts D 121 car check

Is the Mazda 6 Ts D 121 reliable? We analysed 302 real MOT tests across 174 vehicles to find out.

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Data last updated: · Based on 302 real MOT tests
MOT Pass Rate
68.5%
Typical Mileage
120,073mi
Annual Mileage
8,235mi/yr
Est. Lifespan
yrs

The Mazda 6 Ts D 121 is about average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Mazda 6 Ts D 121.

Mazda 6 Ts D 121 Number Plates

Number plates registered to a Mazda 6 Ts D 121. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Mazda 6 Ts D 121 Mileage — What's Normal?

How many miles does a typical Mazda 6 Ts D 121 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
5,267 mi/yr
Typical
8,235 mi/yr
Average
8,153 mi/yr
Heavy usage
10,398 mi/yr

Mazda 6 Ts D 121 Mileage Distribution

Total mileage recorded across all Mazda 6 Ts D 121 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
120,073 mi
75th Percentile
143,825 mi
95th Percentile
193,890 mi
Max Recorded
233,220 mi

How Does the Mazda 6 Ts D 121 Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Mazda 6 Ts D 121 THIS CAR 68.5% 302 120,073 mi — yrs
Mazda MX-5 76.5% 2,502,760 63,190 mi 36 yrs
Mazda 3 77.5% 2,040,939 61,041 mi 22 yrs
Mazda 6 75.4% 1,904,140 77,387 mi 24 yrs
Yamaha Tenere 700 Rally Edition 91.1% 360 8,285 mi — yrs

Compared to the Mazda MX-5 (76.5% pass rate) and the Mazda 3 (77.5% pass rate), the Mazda 6 Ts D 121 trails behind on MOT reliability.

Found a Mazda 6 Ts D 121 you like?

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Should you buy a used Mazda 6 Ts D 121?

The Mazda 6 Ts D 121 has an overall MOT pass rate of 68.5% across 302 real MOT tests — roughly in line with the UK average.

A typical Mazda 6 Ts D 121 owner drives around 8,235 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.

Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.

Mazda 6 Ts D 121 — Frequently Asked Questions

Is the Mazda 6 Ts D 121 reliable?
Based on 302 MOT tests, the Mazda 6 Ts D 121 has a 68.5% pass rate — about average for UK cars.
What are the common problems on a Mazda 6 Ts D 121?
The most common failure point is general wear and tear.
How many miles does a Mazda 6 Ts D 121 do per year?
The typical Mazda 6 Ts D 121 does around 8,235 miles per year. Anything significantly above or below this is worth investigating.
How long does a Mazda 6 Ts D 121 last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Mazda 6 Ts D 121?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.