2010 Daihatsu Sirion: common problems and MOT failures

What goes wrong more than usual on a 2010 Daihatsu Sirion?

Parts flagged at MOT more often on the 2010 Daihatsu Sirion than on all cars registered in 2010.

• Rigid brake pipes3.6× usual
  Daihatsu Sirion

  23.4% All 2010 cars

  6.5%

  Failed outright at MOT: 3%, against 1.1% of all 2010 cars. The rest were advisories or minor defects.

  Rough price £100–£400 our estimate

  At the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.

• Anti-roll bar link joints3.8× usual
  Daihatsu Sirion

  15% All 2010 cars

  3.9%

  Failed outright at MOT: 3.9%, against 1.5% of all 2010 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.

• Ball joint2.8× usual
  Daihatsu Sirion

  17.4% All 2010 cars

  6.2%

  Failed outright at MOT: 9%, against 3.3% of all 2010 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.

• Corroded fuel pipes24.8× usual
  Daihatsu Sirion

  9.9% All 2010 cars

  0.4%

  Failed outright at MOT: 0%, against 0% of all 2010 cars. The rest were advisories or minor defects.

  Rough price £100–£400 our estimate

  At the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.

Common 2010 Daihatsu Sirion MOT failures and advisories

The share of 2010 Daihatsu Sirion 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
  35% 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
  29% 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
  19% of testsRough price £10–£80

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

• Rust and bodywork
  13% 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.

• Wipers, windscreen and mirrors
  8% 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 2010 Daihatsu Sirion

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

1. Any recent work on the rigid brake pipes? (Flagged at MOT 3.6× as often on the 2010 Daihatsu Sirion as on other cars the same age.)
2. Any recent work on the anti-roll bar link joints? (Flagged at MOT 3.8× as often on the 2010 Daihatsu Sirion as on other cars the same age.)
3. Any recent work on the ball joint? (Flagged at MOT 2.8× as often on the 2010 Daihatsu Sirion as on other cars the same age.)
4. Can I see the service history and receipts for any big jobs?