2008 Mazda 3: common problems and what to check
What gets flagged at MOT on 2008 Mazda 3s, from 5,313 tests in 2025, plus known faults and what to look at before you buy one.
What stands out
Parts flagged at MOT more often on 2008 Mazda 3s than on all cars registered in 2008.
- Sub-frame2.9× usualMazda 322.8% All 2008 cars7.8%
Failed outright at MOT: 0.3%, against 0.4% of all 2008 cars. The rest were advisories or minor defects.
Rough price £300–£1,000 our estimateAt the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.
- Headlights2.1× usualMazda 322.2% All 2008 cars10.7%
Failed outright at MOT: 8.4%, against 4.3% of all 2008 cars. The rest were advisories or minor defects.
Rough price £40–£400 our estimateAt the viewing: Check both headlights on dipped and full beam, and look for cloudy or cracked lenses.
- Suspension arm3.6× usualMazda 313.5% All 2008 cars3.7%
Failed outright at MOT: 0.4%, against 0.4% of all 2008 cars. The rest were advisories or minor defects.
Rough price £120–£180 (one arm) ClickMechanicAt the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.
- Ball joint2.3× usualMazda 315.2% All 2008 cars6.5%
Failed outright at MOT: 8.5%, against 3.2% of all 2008 cars. The rest were advisories or minor defects.
Rough price £60–£150 (one joint) ClickMechanicAt the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.
- Anti-roll bar link joints3× usualMazda 312.4% All 2008 cars4.2%
Failed outright at MOT: 3.5%, against 1.6% of all 2008 cars. The rest were advisories or minor defects.
Rough price £60–£150 (one joint) ClickMechanicAt the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.
Rigid brake pipes: 1.4% here, against 9.6% of all 2008 cars.
By area
The share of 2008 Mazda 3 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension63% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Lights and electrics44% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Tyres35% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Brakes31% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Oil and fluid leaks14% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
- Rust and bodywork13% of testsRough price £150–£1,000
At the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.
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Other years
| Year | MOT tests | Most flagged |
|---|---|---|
| 2022 | 2,569 | Tyres 24% |
| 2021 | 4,089 | Tyres 25% |
| 2020 | 4,323 | Tyres 28% |
| 2019 | 4,461 | Tyres 30% |
| 2018 | 7,048 | Tyres 31% |
| 2017 | 8,198 | Brakes 34% |
| 2016 | 10,503 | Brakes 34% |
| 2015 | 11,663 | Brakes 35% |
| 2014 | 8,180 | Brakes 35% |
| 2013 | 5,008 | Suspension 45% |
| 2012 | 4,696 | Suspension 52% |
| 2011 | 5,081 | Suspension 53% |
| 2010 | 7,577 | Suspension 56% |
| 2009 | 6,643 | Suspension 57% |
| 2007 | 4,171 | Suspension 63% |
| 2006 | 2,935 | Suspension 62% |
| 2005 | 1,965 | Suspension 62% |
| 2004 | 552 | Suspension 61% |
Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2008 Mazda 3s registered in 2008. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score