Used car guide

2004 Volkswagen Passat diesel: common problems and MOT failures

What MOT testers find on the diesel Volkswagen Passat first registered in 2004 (diesel cars only): we looked at the 8,699 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

8,699MOTs of 2004 diesel cars, done in 2023–2025
58%pass first time (all 2004 cars: 57%)
8,200typical miles a year
3.2×the usual rate for drive shaft (cv) joints

What goes wrong more than usual on a 2004 Volkswagen Passat diesel?

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

  • Drive shaft (CV) joints3.2× usual
    Volkswagen Passat
    21.1% All 2004 cars
    6.6%

    Failed outright at MOT: 9.6%, against 3% of all 2004 cars. The rest were advisories or minor defects.

    Rough price £60–£350 our estimate

    At the viewing: Drive slowly on full steering lock in both directions and listen for clicking. Look for split rubber boots behind the front wheels.

  • Anti-roll bar link bushes5.4× usual
    Volkswagen Passat
    10.2% All 2004 cars
    1.9%

    Failed outright at MOT: 2.7%, against 0.5% of all 2004 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.

  • Suspension arm bushes and joints1.9× usual
    Volkswagen Passat
    17.3% All 2004 cars
    9.3%

    Failed outright at MOT: 3.7%, against 2.1% of all 2004 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.

  • Windscreen1.8× usual
    Volkswagen Passat
    7.2% All 2004 cars
    4%

    Failed outright at MOT: 0.2%, against 0.1% of all 2004 cars. The rest were advisories or minor defects.

    Rough price £60–£300 our estimate

    At the viewing: Check for chips or cracks in the driver's view.

  • Diesel smoke emissions4.6× usual
    Volkswagen Passat
    3.7% All 2004 cars
    0.8%

    Failed outright at MOT: 3.1%, against 0.7% of all 2004 cars. The rest were advisories or minor defects.

    Rough price £175–£900 (catalytic converter) ClickMechanic

    At the viewing: Look for smoke when revving the warm engine and for engine or DPF warning lights.

Better than most

Rigid brake pipes: 5.1% here, against 17.4% of all 2004 cars. Rust around suspension or steering mountings: 0.6% here, against 6.1% of all 2004 cars.

Common 2004 Volkswagen Passat diesel MOT failures and advisories

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

  • Suspension
    48% 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
    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.

  • 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.

  • Tyres
    34% 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.

  • Driveshafts and joints
    21% of testsRough price £60–£350

    At the viewing: On full steering lock, drive slowly and listen for clicking from the front wheels.

  • 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.

Questions to ask the seller before buying a 2004 Volkswagen Passat 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 drive shaft (cv) joints? (Flagged at MOT 3.2× as often on the 2004 Volkswagen Passat diesel as on other cars the same age.)
  2. Any recent work on the anti-roll bar link bushes? (Flagged at MOT 5.4× as often on the 2004 Volkswagen Passat diesel as on other cars the same age.)
  3. Any recent work on the suspension arm bushes and joints? (Flagged at MOT 1.9× as often on the 2004 Volkswagen Passat diesel as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Volkswagen Passat?

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 Volkswagen Passat compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023287Tyres 15%
20222,624Tyres 28%
20217,465Tyres 27%
202017,869Tyres 27%
201922,325Tyres 28%
201832,683Tyres 29%
201742,116Tyres 30%
201645,637Tyres 31%
201547,105Tyres 31%
201444,943Suspension 37%
201336,717Suspension 41%
201241,982Suspension 45%
201149,171Suspension 49%
201033,814Suspension 52%
200933,875Suspension 52%
200828,332Suspension 54%
200724,515Suspension 55%
200616,564Suspension 59%
200512,036Suspension 48%
20038,275Suspension 48%
20025,264Suspension 48%
20013,085Suspension 50%
20001,441Suspension 49%
19991,160Suspension 48%
1998835Suspension 47%
1997272Suspension 49%
1996155Brakes 49%
1995–Too few tests
1994–Too few tests
1993–Too few tests
1992–Too few tests
1991–Too few tests
1990–Too few tests
1989–Too few tests
1988–Too few tests
1987–Too few tests
1986–Too few tests
1985–Too few tests
1984–Too few tests
1983–Too few tests
1982–Too few tests
1981–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 Volkswagen Passat cars first registered in 2004. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score