Used car guide

2003 Smart City: common problems and MOT failures

What MOT testers find on the Smart City first registered in 2003: we looked at the 2,776 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

2,776MOTs of 2003 cars, done in 2023–2025
57%pass first time (all 2003 cars: 57%)
3,200typical miles a year
2.7×the usual rate for washers

What goes wrong more than usual on a 2003 Smart City?

Parts flagged at MOT more often on the 2003 Smart City than on all cars registered in 2003.

  • Washers2.7× usual
    Smart City
    10.1% All 2003 cars
    3.8%

    Failed outright at MOT: 10.1%, against 3.8% of all 2003 cars. The rest were advisories or minor defects.

    Rough price £15–£60 our estimate

    At the viewing: Test the wipers and washers on every speed.

  • Exhaust emissions (catalyst)2.8× usual
    Smart City
    8.4% All 2003 cars
    3%

    Failed outright at MOT: 8.2%, against 2.9% of all 2003 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.

  • Individual direction indicators1.8× usual
    Smart City
    5.7% All 2003 cars
    3.2%

    Failed outright at MOT: 2.1%, against 1.5% of all 2003 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

    At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

  • Side repeaters2.4× usual
    Smart City
    4% All 2003 cars
    1.7%

    Failed outright at MOT: 1.8%, against 0.9% of all 2003 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

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

  • Fuel cap8× usual
    Smart City
    2.4% All 2003 cars
    0.3%

    Failed outright at MOT: 2.4%, against 0.3% 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.

Better than most

Rust around suspension or steering mountings: 1.1% here, against 6.2% of all 2003 cars. Windscreen: 1.7% here, against 4.1% of all 2003 cars.

Common 2003 Smart City MOT failures and advisories

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

  • 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.

  • 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.

  • Suspension
    36% 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.

  • Tyres
    26% 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
    16% 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.

  • Wipers, windscreen and mirrors
    16% 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 2003 Smart City

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Any recent work on the washers? (Flagged at MOT 2.7× as often on the 2003 Smart City as on other cars the same age.)
  2. Any recent work on the exhaust emissions (catalyst)? (Flagged at MOT 2.8× as often on the 2003 Smart City as on other cars the same age.)
  3. Any recent work on the individual direction indicators? (Flagged at MOT 1.8× as often on the 2003 Smart City as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Smart City?

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 Smart City compared

YearMOT testsMost flagged
2012136Brakes 34%
2011116Brakes 27%
2010243Brakes 33%
2009358Suspension 30%
2008284Brakes 37%
20071,377Suspension 40%
20061,686Suspension 38%
20051,109Suspension 39%
20042,009Lights and electrics 36%
20021,861Lights and electrics 39%
2001516Brakes 35%
2000180Lights and electrics 39%

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