2005 Mazda 6 · 3,726 MOT tests
2005 Mazda 6 reliability
2005 Mazda 6s fail 51.3% of first MOT tests, 19% more MOT fails than the average car its age and mileage, ranking 16 of 17 6 years (3,726 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mazda 6s: 30%)
- 51.3%
- first-time fail rate (all Mazda 6s: 30%)
- fails than cars of the same age and mileage
- 19% more
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 17
- 98,745
- typical miles at its MOT, aged about 17
- MOT tests, 2022 to 2024
- 3,726
- MOT tests, 2022 to 2024
Year on year
2005 against the years either side
- 2004 cars: 20% more MOT fails than the average car its age (the 2005 car does better)
- 2006 cars: 8% more MOT fails than the average car its age (the 2005 car does worse)
- Weak spot: seat belts and airbags, 6% of tests fail here (122% above cars of the same age and mileage).
- Strong point: steering, 64% fewer fails than comparable cars.
- Plates: a 2005 car carries a 54 plate (January–February 2005), or a 05 plate (March–August 2005), or a 55 plate (September–December 2005).
Common problems
What fails on a 2005 Mazda 6
Fail rate by area
- Lights and electrics24.2%
- Suspension23.7%
- Brakes17.8%
- Body, chassis and structure12%
- Windscreen, wipers and mirrors7.9%
- Tyres6.7%
- Seat belts and airbags6%
Average for cars of the same age and mileage
Top failures
Suspension mounting area seriously corroded 9.93%
Corrosion near suspension mountings can seriously weaken the body structure, so an expert inspection is needed.
Position lamp not working 8.86%
A failed position lamp makes the car harder to see in poor light and is illegal, so it must be repaired.
Parking brake efficiency below minimum 4.83%
The parking brake holds the car less well than required, so it may roll on a slope and needs repair.
Wiper blade not clearing windscreen 4.11%
Wipers that do not clear the windscreen reduce visibility in rain, which is a safety risk, so replace them.
Coil spring fractured or broken 4.05%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Service brake excessively binding 3.49%
A brake that drags when released can overheat, wear quickly and waste fuel, so it needs prompt inspection.
Common advisories
Tyre worn close to legal limit (15.86%) · Sub-frame showing corrosion (11.62%) · Brake disc pitted or scored (10.28%) · Brake pads wearing thin (10.06%) · Suspension arm showing corrosion (9.26%) · Tyre slightly damaged or cracking (8.86%)
Other years
Every Mazda 6 year
The full picture: Mazda 6 reliability. Before you pay for any Mazda 6, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2005 Mazda 6 reliable?
2005 Mazda 6s fail 51.3% of first MOT tests, 19% more MOT fails than the average car its age and mileage, ranking 16 of 17 6 years (3,726 DVSA tests, 2022 to 2024).
What fails on a 2005 Mazda 6 MOT?
Most often suspension mounting area seriously corroded (9.93% of tests), position lamp not working (8.86% of tests), parking brake efficiency below minimum (4.83% of tests).
How many miles should a 2005 Mazda 6 have done?
At its MOT aged about 17, a typical 2005 Mazda 6 shows 98,745 miles. Much higher or lower is worth asking about.
What plate is a 2005 car?
A car first registered in 2005 carries a 54 plate (January–February 2005), or a 05 plate (March–August 2005), or a 55 plate (September–December 2005).
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