Part of the Toyota Aygo Mk1 (2005–2014) guide: best and worst years compared.
2006 Toyota Aygo diesel: common problems and MOT failures
What MOT testers find on the diesel Toyota Aygo first registered in 2006 (diesel cars only): we looked at the 496 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Small sample: there were only 496 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.
What goes wrong more than usual on a 2006 Toyota Aygo diesel?
Parts flagged at MOT more often on the 2006 Toyota Aygo diesel than on all cars registered in 2006.
- Anti-roll bar link bushes13.9× usualToyota Aygo15.3% All 2006 cars1.1%
Failed outright at MOT: 3.4%, against 0.3% of all 2006 cars. The rest were advisories or minor defects.
Rough price £100–£280 (pair of drop links) CheckatradeAt the viewing: Drive slowly over bumps and listen for a knock or rattle from the front. Worn anti-roll bar links are a cheap fix.
- Engine oil leaks2× usualToyota Aygo24.8% All 2006 cars12.4%
Failed outright at MOT: 0.8%, against 0.3% of all 2006 cars. The rest were advisories or minor defects.
Rough price £80–£600 our estimateAt the viewing: Look under the engine and where the car is usually parked for fresh oil. Ask whether the leak has been looked at.
- Rust around suspension or steering mountings2.9× usualToyota Aygo13.7% All 2006 cars4.8%
Failed outright at MOT: 9.5%, against 2.4% of all 2006 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.
- Braking performance2× usualToyota Aygo14.1% All 2006 cars6.9%
Failed outright at MOT: 7.3%, against 2.9% of all 2006 cars. The rest were advisories or minor defects.
Rough price £100–£350 our estimateAt the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.
- Chassis rust or damage2.8× usualToyota Aygo7.9% All 2006 cars2.8%
Failed outright at MOT: 3.4%, against 0.8% of all 2006 cars. The rest were advisories or minor defects.
Rough price £150–£1,000 our estimateAt the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.
Common 2006 Toyota Aygo diesel MOT failures and advisories
The share of 2006 Toyota Aygo diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Brakes49% 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.
- Lights and electrics48% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Suspension46% 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.
- Tyres33% 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.
- Oil and fluid leaks26% 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 bodywork16% 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.
Known faults on the 2006 Toyota Aygo diesel
Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.
- Manual gearbox
Squeaking or failing clutch
A squeak from underneath as you let the clutch out, with a stiff gear change, points to a worn clutch.
At the viewing: Listen as you pull away, and try every gear.
If it needs doing: Clutch replacement, about £250–£600. ClickMechanic
- Manual gearbox
Gear cable that can snap
One of the gear cables can fail suddenly, leaving no gears at all.
At the viewing: Make sure every gear goes in cleanly, including reverse.
- All
Heavy steering
Heavy steering can mean a failing power steering control unit, which is replaced as a whole.
At the viewing: Turn the wheel at a standstill and at low speed: it should feel light.
Questions to ask the seller before buying a 2006 Toyota Aygo diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Has the clutch been replaced?
- Have the gear cables been replaced?
- Has the steering had any work?
- Any recent work on the anti-roll bar link bushes? (Flagged at MOT 13.9× as often on the 2006 Toyota Aygo diesel as on other cars the same age.)
- Any recent work on the engine oil leaks? (Flagged at MOT 2× as often on the 2006 Toyota Aygo diesel as on other cars the same age.)
- Any recent work on the rust around suspension or steering mountings? (Flagged at MOT 2.9× as often on the 2006 Toyota Aygo diesel as on other cars the same age.)
Looking at a Toyota Aygo?
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 Toyota Aygo compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2026 | – | Too new for MOT data |
| 2025 | – | Too new for MOT data |
| 2024 | – | Too new for MOT data |
| 2023 | 347 | Tyres 7% |
| 2022 | 1,911 | Tyres 17% |
| 2021 | 33,968 | Tyres 20% |
| 2020 | 49,415 | Tyres 22% |
| 2019 | 65,565 | Tyres 25% |
| 2018 | 64,964 | Tyres 31% |
| 2017 | 63,572 | Tyres 31% |
| 2016 | 65,800 | Tyres 31% |
| 2015 | 68,671 | Tyres 30% |
| 2014 | 57,420 | Tyres 30% |
| 2013 | 45,166 | Brakes 30% |
| 2012 | 44,125 | Brakes 37% |
| 2011 | 38,154 | Brakes 39% |
| 2010 | 35,096 | Brakes 42% |
| 2009 | 37,632 | Brakes 44% |
| 2008 | 33,723 | Brakes 46% |
| 2007 | 27,685 | Suspension 46% |
| 2005 | 4,237 | Lights and electrics 50% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Toyota Aygo cars first registered in 2006. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score