Used car guide

2004 Fiat Stilo diesel: common problems and MOT failures

What MOT testers find on the diesel Fiat Stilo first registered in 2004 (diesel cars only): we looked at the 200 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 200 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

200MOTs of 2004 diesel cars, done in 2023–2025
49%pass first time (all 2004 cars: 57%)
5,600typical miles a year
4.8×the usual rate for sub-frame

What goes wrong more than usual on a 2004 Fiat Stilo diesel?

Parts flagged at MOT more often on the 2004 Fiat Stilo diesel than on all cars registered in 2004.

  • Sub-frame4.8× usual
    Fiat Stilo
    24.5% All 2004 cars
    5.1%

    Failed outright at MOT: 3%, against 0.3% of all 2004 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.

  • Track rod ends2.5× usual
    Fiat Stilo
    16.5% All 2004 cars
    6.5%

    Failed outright at MOT: 7.5%, against 3% of all 2004 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.

Common 2004 Fiat Stilo diesel MOT failures and advisories

The share of 2004 Fiat Stilo diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    66% 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
    43% 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
    42% 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.

  • Lights and electrics
    40% of testsRough price £10–£80

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

  • Exhaust and emissions
    21% 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.

  • Wipers, windscreen and mirrors
    17% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

Questions to ask the seller before buying a 2004 Fiat Stilo 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 sub-frame? (Flagged at MOT 4.8× as often on the 2004 Fiat Stilo diesel as on other cars the same age.)
  2. Any recent work on the track rod ends? (Flagged at MOT 2.5× as often on the 2004 Fiat Stilo diesel as on other cars the same age.)
  3. Can I see the service history and receipts for any big jobs?

Looking at a Fiat Stilo?

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 Fiat Stilo compared

YearMOT testsMost flagged
2007212Suspension 53%
2006520Suspension 55%
2005433Suspension 55%
2003376Suspension 57%
2002159Suspension 52%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Fiat Stilo cars first registered in 2004. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score