Used car guide

2009 Toyota Corolla diesel: common problems and MOT failures

What MOT testers find on the diesel Toyota Corolla first registered in 2009 (diesel cars only): we looked at the 1,540 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

1,540MOTs of 2009 diesel cars, done in 2023–2025
62%pass first time (all 2009 cars: 59%)
8,200typical miles a year
1.9×the usual rate for number plate lights

What goes wrong more than usual on a 2009 Toyota Corolla diesel?

Parts flagged at MOT more often on the 2009 Toyota Corolla diesel than on all cars registered in 2009.

  • Number plate lights1.9× usual
    Toyota Corolla
    15.5% All 2009 cars
    8.3%

    Failed outright at MOT: 4.5%, against 2.3% of all 2009 cars. The rest were advisories or minor defects.

    Rough price £5–£40 our estimate

    At the viewing: Check the number plate lights work and the plates are clean and legal.

  • Rigid brake pipes2× usual
    Toyota Corolla
    14.2% All 2009 cars
    7.1%

    Failed outright at MOT: 1.3%, against 1.2% of all 2009 cars. The rest were advisories or minor defects.

    Rough price £100–£400 our estimate

    At the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.

  • Diesel smoke emissions6.8× usual
    Toyota Corolla
    6.8% All 2009 cars
    1%

    Failed outright at MOT: 6.5%, against 0.9% of all 2009 cars. The rest were advisories or minor defects.

    Rough price £175–£900 (catalytic converter) ClickMechanic

    At the viewing: Look for smoke when revving the warm engine and for engine or DPF warning lights.

  • Steering swivel joints5.5× usual
    Toyota Corolla
    6.1% All 2009 cars
    1.1%

    Failed outright at MOT: 0.1%, against 0.2% of all 2009 cars. The rest were advisories or minor defects.

    Rough price £100–£450 our estimate

    At the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.

  • Wipers1.9× usual
    Toyota Corolla
    6.7% All 2009 cars
    3.6%

    Failed outright at MOT: 4.1%, against 2.4% of all 2009 cars. The rest were advisories or minor defects.

    Rough price £15–£60 our estimate

    At the viewing: Test the wipers and washers on every speed.

Better than most

Exhaust system: 2.9% here, against 7.9% of all 2009 cars. Ball joint: 1.3% here, against 6.3% of all 2009 cars.

Common 2009 Toyota Corolla diesel MOT failures and advisories

The share of 2009 Toyota Corolla diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    40% 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.

  • Suspension
    37% 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 electrics
    36% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Tyres
    35% 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.

  • Wipers, windscreen and mirrors
    14% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Exhaust and emissions
    10% of testsRough price £100–£1,200

    At the viewing: Look for black soot in the tailpipe, listen for blowing from the exhaust and check for engine or DPF warning lights.

Questions to ask the seller before buying a 2009 Toyota Corolla diesel

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Any recent work on the number plate lights? (Flagged at MOT 1.9× as often on the 2009 Toyota Corolla diesel as on other cars the same age.)
  2. Any recent work on the rigid brake pipes? (Flagged at MOT 2× as often on the 2009 Toyota Corolla diesel as on other cars the same age.)
  3. Any recent work on the diesel smoke emissions? (Flagged at MOT 6.8× as often on the 2009 Toyota Corolla diesel as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Toyota Corolla?

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 Corolla compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
20235,947Tyres 15%
202223,838Tyres 21%
202140,845Tyres 23%
202055,784Tyres 23%
201948,385Tyres 24%
2017–Too few tests
2014145Lights and electrics 23%
2010272Lights and electrics 39%
20089,957Lights and electrics 39%
200713,759Lights and electrics 43%
200637,752Brakes 44%
200533,913Brakes 47%
200421,999Brakes 49%
200316,496Brakes 48%
200211,020Brakes 46%
20016,048Brakes 38%
20003,498Suspension 38%
19993,556Suspension 41%
19982,856Suspension 47%
19971,456Suspension 47%
1996557Suspension 39%
1995426Suspension 41%
1994514Suspension 40%
1993512Suspension 40%
1992379Suspension 37%
1991195Suspension 34%
1990177Suspension 34%
1989–Too few tests
1988–Too few tests
1987–Too few tests
1986–Too few tests
1985–Too few tests
1984–Too few tests
1983–Too few tests
1981–Too few tests
1980–Too few tests
1979–Too few tests
1978–Too few tests

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 Corolla cars first registered in 2009. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score