Used car guide

2006 Kia Sportage diesel: common problems and MOT failures

What MOT testers find on the diesel Kia Sportage first registered in 2006 (diesel cars only): we looked at the 2,351 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

2,351MOTs of 2006 diesel cars, done in 2023–2025
49%pass first time (all 2006 cars: 56%)
6,600typical miles a year
2.5×the usual rate for rust around suspension or steering mountings

What goes wrong more than usual on a 2006 Kia Sportage diesel?

Parts flagged at MOT more often on the 2006 Kia Sportage diesel than on all cars registered in 2006.

  • Rust around suspension or steering mountings2.5× usual
    Kia Sportage
    12.1% All 2006 cars
    4.8%

    Failed outright at MOT: 7.9%, against 2.4% of all 2006 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.

  • Ball joint2.2× usual
    Kia Sportage
    13.6% All 2006 cars
    6.3%

    Failed outright at MOT: 8.1%, against 3.1% of all 2006 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.

  • Suspension arm bushes and joints1.7× usual
    Kia Sportage
    17.9% All 2006 cars
    10.6%

    Failed outright at MOT: 5.5%, against 2.4% 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.

  • Braking performance1.8× usual
    Kia Sportage
    12.7% All 2006 cars
    6.9%

    Failed outright at MOT: 6%, against 2.9% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £100–£350 our estimate

    At the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.

  • Anti-roll bar link joints2.1× usual
    Kia Sportage
    9% All 2006 cars
    4.3%

    Failed outright at MOT: 3.1%, against 1.6% of all 2006 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.

Better than most

Flexible brake hoses: 1.7% here, against 5.3% of all 2006 cars.

Common 2006 Kia Sportage diesel MOT failures and advisories

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

  • Suspension
    59% 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
    42% 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
    38% 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
    33% 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
    20% 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.

  • Exhaust and emissions
    16% 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 2006 Kia Sportage 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 rust around suspension or steering mountings? (Flagged at MOT 2.5× as often on the 2006 Kia Sportage diesel as on other cars the same age.)
  2. Any recent work on the ball joint? (Flagged at MOT 2.2× as often on the 2006 Kia Sportage diesel as on other cars the same age.)
  3. Any recent work on the suspension arm bushes and joints? (Flagged at MOT 1.7× as often on the 2006 Kia Sportage diesel as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Kia Sportage?

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 Sportage compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
20231,976Tyres 12%
202231,074Tyres 19%
202154,661Tyres 24%
202056,872Tyres 26%
201997,946Tyres 28%
201899,630Tyres 31%
2017108,402Tyres 31%
2016109,730Tyres 31%
201562,005Tyres 33%
201456,529Brakes 34%
201352,926Suspension 38%
201237,383Suspension 41%
201122,344Suspension 44%
201012,119Suspension 48%
20096,726Suspension 52%
20084,342Suspension 55%
20073,919Suspension 57%
20053,558Suspension 58%
2003–Too few tests
2002–Too few tests
2001–Too few tests
2000–Too few tests
1999–Too few tests
1998–Too few tests
1997–Too few tests
1996–Too few tests
1995–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 Kia Sportage cars first registered in 2006. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score