Used car guide

2020 Peugeot 3008 diesel: common problems and MOT failures

What MOT testers find on the diesel Peugeot 3008 first registered in 2020 (diesel cars only): we looked at the 11,305 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

11,305MOTs of 2020 diesel cars, done in 2023–2025
87%pass first time (all 2020 cars: 87%)
8,600typical miles a year
1.8×the usual rate for brake pads

What goes wrong more than usual on a 2020 Peugeot 3008 diesel?

Parts flagged at MOT more often on the 2020 Peugeot 3008 diesel than on all cars registered in 2020.

  • Brake pads1.8× usual
    Peugeot 3008
    13.6% All 2020 cars
    7.6%

    Failed outright at MOT: 2.7%, against 1.4% of all 2020 cars. The rest were advisories or minor defects.

    Rough price £75–£175 (one axle) ClickMechanic

    At the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.

  • Brake discs1.6× usual
    Peugeot 3008
    11.8% All 2020 cars
    7.3%

    Failed outright at MOT: 0.5%, against 0.4% of all 2020 cars. The rest were advisories or minor defects.

    Rough price £150–£350 our estimate

    At the viewing: Look through the wheel at the brake disc: a deep lip at the edge or heavy scoring means they're worn. Feel for judder when braking.

  • Exhaust system12× usual
    Peugeot 3008
    2.4% All 2020 cars
    0.2%

    Failed outright at MOT: 0.1%, against 0% of all 2020 cars. The rest were advisories or minor defects.

    Rough price £100–£500 (pipe or section) ClickMechanic

    At the viewing: Listen for blowing or rattling from underneath at idle, and look for black soot around joints.

Common 2020 Peugeot 3008 diesel MOT failures and advisories

The share of 2020 Peugeot 3008 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    30% 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.

  • Brakes
    21% 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
    4% 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
    3% 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.

  • Seats and seatbelts
    3% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

  • Wipers, windscreen and mirrors
    3% of testsRough price £15–£250

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

Known faults on the 2020 Peugeot 3008 diesel

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

  • Rear suspension bolts and hybrid battery

    Built 2019 to 2020

    Cars built Oct 2019 to Jan 2020 may have rear suspension bolts that can break, and a few plug-in hybrids built late 2019 need a new battery pack.

    At the viewing: Ask for proof the recalls were done.

    Source: What Car?: used Peugeot 3008 (2017-2024) reliability

  • DPF, AdBlue and emissions campaigns (diesel)

    Diesel

    A plastic exhaust part could damage the particulate filter on cars built Jan to May 2018, the AdBlue system could block on cars built Oct 2019 to Mar 2020, and some cars built 2017 to 2019 need an emissions update. Diesels have more exhaust and engine faults than petrols.

    At the viewing: Watch for warning lights and ask a dealer about outstanding work.

    Source: What Car?: used Peugeot 3008 (2017-2024) reliability

  • Infotainment and warning light glitches

    All engines

    Owners report faulty infotainment and erratic warning lights.

    At the viewing: Use the screen and check no warnings stay on.

    Source: What Car?: used Peugeot 3008 (2017-2024) reliability

Questions to ask the seller before buying a 2020 Peugeot 3008 diesel

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

  1. Have the rear suspension bolt and battery recalls been done?
  2. Any recent work on the brake pads? (Flagged at MOT 1.8× as often on the 2020 Peugeot 3008 diesel as on other cars the same age.)
  3. Any recent work on the brake discs? (Flagged at MOT 1.6× as often on the 2020 Peugeot 3008 diesel as on other cars the same age.)
  4. Any recent work on the exhaust system? (Flagged at MOT 12× as often on the 2020 Peugeot 3008 diesel as on other cars the same age.)
  5. Can I see the service history and receipts for any big jobs?

Looking at a Peugeot 3008?

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 Peugeot 3008 compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023271Tyres 13%
20229,847Tyres 26%
202123,498Tyres 27%
201956,683Tyres 29%
201855,228Tyres 28%
201748,853Tyres 28%
201619,384Tyres 32%
201523,743Tyres 32%
201423,908Tyres 35%
201331,689Lights and electrics 38%
201230,735Suspension 41%
201129,302Suspension 45%
201023,953Suspension 48%
20092,126Suspension 51%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Peugeot 3008 cars first registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score