Used car guide

2006 Alfa Romeo GT diesel: common problems and MOT failures

What MOT testers find on the diesel Alfa Romeo GT first registered in 2006 (diesel cars only): we looked at the 361 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 361 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

361MOTs of 2006 diesel cars, done in 2023–2025
52%pass first time (all 2006 cars: 56%)
6,400typical miles a year
2.4×the usual rate for rust around suspension or steering mountings

What goes wrong more than usual on a 2006 Alfa Romeo GT diesel?

Parts flagged at MOT more often on the 2006 Alfa Romeo GT diesel than on all cars registered in 2006.

  • Rust around suspension or steering mountings2.4× usual
    Alfa Romeo GT
    11.6% All 2006 cars
    4.8%

    Failed outright at MOT: 7.5%, against 2.3% 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.

  • Body structure rust or damage3.6× usual
    Alfa Romeo GT
    8.6% All 2006 cars
    2.4%

    Failed outright at MOT: 3.3%, against 0.7% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £150–£1,000 our estimate

    At the viewing: Look underneath and along the sills for flaky rust or fresh underseal hiding it.

  • Sub-frame2.2× usual
    Alfa Romeo GT
    11.9% All 2006 cars
    5.4%

    Failed outright at MOT: 0.6%, 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.

Better than most

Headlights: 6.1% here, against 12.9% of all 2006 cars.

Common 2006 Alfa Romeo GT diesel MOT failures and advisories

The share of 2006 Alfa Romeo GT diesel 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
    37% 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
    36% 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.

  • Rust and bodywork
    21% 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.

  • Exhaust and emissions
    15% 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 Alfa Romeo GT 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 2.4× as often on the 2006 Alfa Romeo GT diesel as on other cars the same age.)
  2. Any recent work on the body structure rust or damage? (Flagged at MOT 3.6× as often on the 2006 Alfa Romeo GT diesel as on other cars the same age.)
  3. Any recent work on the sub-frame? (Flagged at MOT 2.2× as often on the 2006 Alfa Romeo GT diesel as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at an Alfa Romeo GT?

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 Alfa Romeo GT compared

YearMOT testsMost flagged
2010247Suspension 51%
2009364Suspension 45%
20081,381Suspension 49%
20071,209Suspension 46%
2005638Suspension 41%
2004352Suspension 37%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Alfa Romeo GT cars first registered in 2006. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score