Used car guide

2003 Kia Sorento: common problems and MOT failures

What MOT testers find on the Kia Sorento first registered in 2003: we looked at the 528 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

528MOTs of 2003 cars, done in 2023–2025
54%pass first time (all 2003 cars: 57%)
5,600typical miles a year
3.8×the usual rate for chassis rust or damage

What goes wrong more than usual on a 2003 Kia Sorento?

Parts flagged at MOT more often on the 2003 Kia Sorento than on all cars registered in 2003.

  • Chassis rust or damage3.8× usual
    Kia Sorento
    13.8% All 2003 cars
    3.6%

    Failed outright at MOT: 4.4%, against 1.1% of all 2003 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.

  • Anti-roll bar link bushes6× usual
    Kia Sorento
    11.9% All 2003 cars
    2%

    Failed outright at MOT: 4.4%, against 0.5% of all 2003 cars. The rest were advisories or minor defects.

    Rough price £100–£280 (pair of drop links) Checkatrade

    At 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.

  • Anti-roll bar bushes and joints5.4× usual
    Kia Sorento
    9.1% All 2003 cars
    1.7%

    Failed outright at MOT: 2.8%, against 0.4% of all 2003 cars. The rest were advisories or minor defects.

    Rough price £100–£280 (pair of drop links) Checkatrade

    At 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.

  • Track rod ends2× usual
    Kia Sorento
    12.3% All 2003 cars
    6.3%

    Failed outright at MOT: 5.9%, against 2.8% of all 2003 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.

  • Rust around suspension or steering mountings2× usual
    Kia Sorento
    12.1% All 2003 cars
    6.2%

    Failed outright at MOT: 8.3%, against 3.1% of all 2003 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.

Better than most

Coil springs: 4.4% here, against 10.4% of all 2003 cars.

Common 2003 Kia Sorento MOT failures and advisories

The share of 2003 Kia Sorento MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    50% 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.

  • Brakes
    48% 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 electrics
    41% of testsRough price £10–£80

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

  • Rust and bodywork
    27% 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.

  • Tyres
    25% 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 leaks
    18% 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.

Questions to ask the seller before buying a 2003 Kia Sorento

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 3.8× as often on the 2003 Kia Sorento as on other cars the same age.)
  2. Any recent work on the anti-roll bar link bushes? (Flagged at MOT 6× as often on the 2003 Kia Sorento as on other cars the same age.)
  3. Any recent work on the anti-roll bar bushes and joints? (Flagged at MOT 5.4× as often on the 2003 Kia Sorento as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Kia Sorento?

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 Kia Sorento compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023388Tyres 13%
20222,327Tyres 21%
20214,785Tyres 22%
20203,518Tyres 25%
20198,170Tyres 28%
20188,143Tyres 28%
20179,242Tyres 29%
20169,330Tyres 30%
201511,832Tyres 30%
20148,620Suspension 35%
20136,287Suspension 40%
20125,610Suspension 48%
20114,771Suspension 52%
20105,427Suspension 54%
20093,756Brakes 47%
20082,709Suspension 51%
20073,631Suspension 48%
20065,313Suspension 50%
20052,879Suspension 48%
20041,684Brakes 51%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Kia Sorento cars first registered in 2003. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score