Used car guide

1991 Land Rover Defender: common problems and what to check

What gets flagged at MOT on 1991 Land Rover Defenders, from 1,610 tests in 2025, plus known faults and what to look at before you buy one.

1,610MOT tests in 2025
65%pass first time (all 1991 cars: 71%)
4,200typical miles a year
6×the usual rate for seat belts

What stands out

Parts flagged at MOT more often on 1991 Land Rover Defenders than on all cars registered in 1991.

  • Seat belts6× usual
    Land Rover Defender
    13.3% All 1991 cars
    2.2%

    Failed outright at MOT: 1.6%, against 0.7% of all 1991 cars. The rest were advisories or minor defects.

    Rough price £80–£250 our estimate

    At the viewing: Pull each seatbelt sharply. It should lock and retract smoothly.

  • Transmission oil leaks3.6× usual
    Land Rover Defender
    9.4% All 1991 cars
    2.6%

    Failed outright at MOT: 0.3%, against 0% of all 1991 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.

  • Steering box6× usual
    Land Rover Defender
    7.8% All 1991 cars
    1.3%

    Failed outright at MOT: 1.2%, against 0.1% of all 1991 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.

  • Chassis rust or damage2.4× usual
    Land Rover Defender
    10.1% All 1991 cars
    4.2%

    Failed outright at MOT: 3.5%, against 1.4% of all 1991 cars. The rest were advisories or minor defects.

    Rough price £150–£1,000 our estimate

    At the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.

  • Wheel bearings1.7× usual
    Land Rover Defender
    14.1% All 1991 cars
    8.3%

    Failed outright at MOT: 1.8%, against 1.2% of all 1991 cars. The rest were advisories or minor defects.

    Rough price £120–£300 (one bearing) ClickMechanic

    At the viewing: Listen for a hum or growl that changes as you steer at speed.

Better than most

Braking performance: 3.4% here, against 7.5% of all 1991 cars.

By area

The share of 1991 Land Rover Defender MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Lights and electrics
    39% of testsRough price £10–£80

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

  • Suspension
    35% 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.

  • Oil and fluid leaks
    30% 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.

  • Brakes
    23% 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.

  • Steering
    15% of testsRough price £100–£450

    At the viewing: On a straight road the steering wheel should sit straight. Feel for play or knocking when turning.

  • Rust and bodywork
    14% 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

YearMOT testsMost flagged
2023520Tyres 7%
20229,866Tyres 17%
20218,620Tyres 16%
20204,215Tyres 19%
20161,766Lights and electrics 15%
20156,477Lights and electrics 21%
20145,687Lights and electrics 25%
20134,240Lights and electrics 26%
20123,781Brakes 28%
20113,869Suspension 31%
20103,826Suspension 33%
20093,347Suspension 33%
20083,601Suspension 35%
20073,833Suspension 38%
20063,676Suspension 37%
20054,057Suspension 38%
20044,136Suspension 39%
20034,236Suspension 40%
20023,706Suspension 39%
20013,012Suspension 37%
20002,890Suspension 39%
19992,841Suspension 38%
19983,352Lights and electrics 38%
19973,226Suspension 37%
19963,328Lights and electrics 39%
19952,764Lights and electrics 40%
19942,206Lights and electrics 40%
19931,753Lights and electrics 36%
19921,444Lights and electrics 35%
19901,554Lights and electrics 36%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 1991 Land Rover Defenders registered in 1991. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score