Used car guide

2006 MINI hatch: common problems and what to check

What gets flagged at MOT on 2006 MINI hatchs, from 17,689 tests in 2025, plus known faults and what to look at before you buy one.

17,689MOT tests in 2025
56%pass first time (all 2006 cars: 57%)
5,000typical miles a year
2.4×the usual rate for engine oil leaks

What stands out

Parts flagged at MOT more often on 2006 MINI hatchs than on all cars registered in 2006.

  • Engine oil leaks2.4× usual
    MINI hatch
    32.3% All 2006 cars
    13.7%

    Failed outright at MOT: 0.6%, against 0.3% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £80–£600 our estimate

    At the viewing: Look under the engine and where the car is usually parked for fresh oil. Ask whether the leak has been looked at.

  • Rigid brake pipes2× usual
    MINI hatch
    28.9% All 2006 cars
    14.1%

    Failed outright at MOT: 4.2%, against 2.3% of all 2006 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.

  • Sub-frame2.2× usual
    MINI hatch
    15.6% All 2006 cars
    7.1%

    Failed outright at MOT: 0.7%, against 0.3% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £300–£1,000 our estimate

    At the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.

  • Power steering pipes and hoses8.6× usual
    MINI hatch
    6% All 2006 cars
    0.7%

    Failed outright at MOT: 0.4%, against 0.1% of all 2006 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.

  • Suspension arm2× usual
    MINI hatch
    7.6% All 2006 cars
    3.8%

    Failed outright at MOT: 0.5%, against 0.3% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £120–£180 (one arm) ClickMechanic

    At the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.

Better than most

Rust around suspension or steering mountings: 1.6% here, against 5.5% of all 2006 cars. Anti-roll bar link joints: 0.7% here, against 4.2% of all 2006 cars.

By area

The share of 2006 MINI hatch MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    49% 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
    45% 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
    40% of testsRough price £10–£80

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

  • Oil and fluid leaks
    34% 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.

  • Tyres
    32% 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.

  • Exhaust and emissions
    13% 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.

Known faults

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.

  • Timing chain rattle (petrol)
    Petrol

    Worn timing chains and guides are a known costly repair on these petrol engines, often from low oil levels.

    At the viewing: Ask the seller not to warm the engine before you arrive. A rattle on a cold start is a warning sign.

    Source: Parkers: MINI hatch buying guide

  • Turbo wear (Cooper S)
    Turbo petrol models

    High oil use can wear the turbo quickly on turbo petrol models.

    At the viewing: Once warm, rev it hard and look for blue smoke or a burning oil smell.

    Source: Parkers: MINI hatch buying guide

  • Worn water pump

    A whistle at idle that goes when you blip the throttle usually means the water pump is worn.

    At the viewing: Listen at tickover once the engine is warm.

    If it needs doing: Water pump, about £115–£375. ClickMechanic

    Source: Parkers: MINI hatch buying guide

Looking at a MINI hatch?

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Other years

YearMOT testsMost flagged
2014524Tyres 28%
201318,658Tyres 31%
201221,691Tyres 31%
201124,773Lights and electrics 32%
201028,646Lights and electrics 34%
200925,480Suspension 36%
200822,450Suspension 40%
200720,965Suspension 40%
200518,190Brakes 53%
200414,556Brakes 52%
200310,100Brakes 52%
20026,338Brakes 52%
20011,449Brakes 54%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2006 MINI hatchs registered in 2006. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score