2003 Mazda Bongo: common problems and MOT failures
What MOT testers find on the Mazda Bongo first registered in 2003: we looked at the 1,125 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2003 Mazda Bongo?
Parts flagged at MOT more often on the 2003 Mazda Bongo than on all cars registered in 2003.
- Rear fog light6× usualMazda Bongo9.6% All 2003 cars1.6%
Failed outright at MOT: 8.8%, against 1.6% of all 2003 cars. The rest were advisories or minor defects.
Rough price £10–£80 our estimateAt the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.
- Rust around suspension or steering mountings2× usualMazda Bongo12.9% All 2003 cars6.3%
Failed outright at MOT: 9.8%, against 3.1% of all 2003 cars. The rest were advisories or minor defects.
Rough price £100–£450 our estimateAt the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.
- Body structure rust or damage2× usualMazda Bongo6.3% All 2003 cars3.1%
Failed outright at MOT: 3.5%, against 0.9% of all 2003 cars. The rest were advisories or minor defects.
Rough price £150–£1,000 our estimateAt the viewing: Look underneath and along the sills for flaky rust or fresh underseal hiding it.
Rigid brake pipes: 5.2% here, against 18.8% of all 2003 cars. Tread depth: 9% here, against 18.3% of all 2003 cars.
Common 2003 Mazda Bongo MOT failures and advisories
The share of 2003 Mazda Bongo MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension34% 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 electrics34% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Brakes27% 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.
- Tyres18% 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.
- Rust and bodywork15% 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.
- Oil and fluid leaks15% 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.
Questions to ask the seller before buying a 2003 Mazda Bongo
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the rear fog light? (Flagged at MOT 6× as often on the 2003 Mazda Bongo as on other cars the same age.)
- Any recent work on the rust around suspension or steering mountings? (Flagged at MOT 2× as often on the 2003 Mazda Bongo as on other cars the same age.)
- Any recent work on the body structure rust or damage? (Flagged at MOT 2× as often on the 2003 Mazda Bongo as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Mazda Bongo?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Mazda Bongo compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2021 | 172 | Lights and electrics 31% |
| 2020 | 364 | Lights and electrics 30% |
| 2019 | 369 | Lights and electrics 36% |
| 2018 | 484 | Lights and electrics 34% |
| 2017 | 674 | Suspension 38% |
| 2016 | 1,065 | Suspension 40% |
| 2015 | 1,159 | Suspension 40% |
| 2014 | 1,186 | Suspension 46% |
| 2013 | 993 | Suspension 45% |
| 2012 | 858 | Suspension 47% |
| 2011 | 1,005 | Suspension 50% |
| 2010 | 1,177 | Suspension 49% |
| 2009 | 1,061 | Suspension 52% |
| 2008 | 1,416 | Suspension 53% |
| 2007 | 1,825 | Suspension 50% |
| 2006 | 1,793 | Suspension 51% |
| 2005 | 2,116 | Suspension 44% |
| 2004 | 1,638 | Suspension 39% |
| 2002 | 1,534 | Suspension 33% |
| 2001 | 1,400 | Lights and electrics 38% |
| 2000 | 1,311 | Suspension 36% |
| 1999 | 1,306 | Suspension 40% |
| 1998 | 874 | Suspension 47% |
| 1997 | 1,313 | Suspension 52% |
| 1996 | 1,401 | Suspension 53% |
| 1995 | 1,136 | Suspension 54% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Mazda Bongo cars first registered in 2003. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score