Used car guide

1999 Land Rover Discovery diesel: common problems and MOT failures

What MOT testers find on the diesel Land Rover Discovery first registered in 1999 (diesel cars only): we looked at the 5,537 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

5,537MOTs of 1999 diesel cars, done in 2023–2025
66%pass first time (all 1999 cars: 63%)
6,400typical miles a year
3.6×the usual rate for chassis rust or damage

What goes wrong more than usual on a 1999 Land Rover Discovery diesel?

Parts flagged at MOT more often on the 1999 Land Rover Discovery diesel than on all cars registered in 1999.

  • Chassis rust or damage3.6× usual
    Land Rover Discovery
    20.2% All 1999 cars
    5.6%

    Failed outright at MOT: 6.6%, against 2% of all 1999 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.

  • Engine oil leaks1.8× usual
    Land Rover Discovery
    26.4% All 1999 cars
    14.9%

    Failed outright at MOT: 0.6%, against 0.3% of all 1999 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.

  • Ball joint dust cover3× usual
    Land Rover Discovery
    10.7% All 1999 cars
    3.6%

    Failed outright at MOT: 3%, against 1.1% of all 1999 cars. The rest were advisories or minor defects.

    Rough price £60–£150 (one joint) ClickMechanic

    At the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.

  • Track rod ends2.1× usual
    Land Rover Discovery
    9.4% All 1999 cars
    4.5%

    Failed outright at MOT: 3.1%, against 1.6% of all 1999 cars. The rest were advisories or minor defects.

    Rough price £50–£150 (one end, plus about £30–£50 if it needs a wheel alignment) ClickMechanic

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

  • Number plate lights1.9× usual
    Land Rover Discovery
    10% All 1999 cars
    5.3%

    Failed outright at MOT: 1.5%, against 1.3% of all 1999 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.

Better than most

Braking performance: 3.2% here, against 7.3% of all 1999 cars. Drive shaft (CV) joints: 2.3% here, against 5.1% of all 1999 cars.

Common 1999 Land Rover Discovery diesel MOT failures and advisories

The share of 1999 Land Rover Discovery diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    43% 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
    34% 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
    31% 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 bodywork
    28% 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.

  • Brakes
    27% 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.

  • Tyres
    15% 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.

Questions to ask the seller before buying a 1999 Land Rover Discovery 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 chassis rust or damage? (Flagged at MOT 3.6× as often on the 1999 Land Rover Discovery diesel as on other cars the same age.)
  2. Any recent work on the engine oil leaks? (Flagged at MOT 1.8× as often on the 1999 Land Rover Discovery diesel as on other cars the same age.)
  3. Any recent work on the ball joint dust cover? (Flagged at MOT 3× as often on the 1999 Land Rover Discovery diesel as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Land Rover Discovery?

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 Land Rover Discovery compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023243Tyres 12%
20226,738Tyres 23%
202119,307Tyres 22%
202018,465Tyres 21%
201923,542Tyres 21%
201825,246Tyres 21%
201729,265Brakes 23%
201629,060Brakes 25%
201527,463Brakes 27%
201422,206Brakes 30%
201318,952Brakes 32%
201220,291Brakes 33%
201117,972Brakes 35%
201018,998Brakes 34%
200915,380Brakes 37%
200814,624Suspension 40%
200719,711Suspension 42%
200622,865Suspension 46%
200523,157Suspension 45%
200419,033Suspension 45%
200316,818Suspension 44%
200213,569Suspension 45%
200110,667Suspension 45%
20006,850Suspension 45%
19983,454Lights and electrics 40%
19973,182Lights and electrics 37%
19962,746Lights and electrics 37%
19952,413Lights and electrics 38%
19941,867Lights and electrics 34%
19931,024Lights and electrics 34%
1992432Lights and electrics 35%
1991309Lights and electrics 35%
1990259Lights and electrics 26%
1989–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 Land Rover Discovery cars first registered in 1999. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score