2018 Isuzu D-Max: common problems and MOT failures
What MOT testers find on the Isuzu D-Max first registered in 2018: we looked at the 11,558 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2018 Isuzu D-Max?
Parts flagged at MOT more often on the 2018 Isuzu D-Max than on all cars registered in 2018.
- Wheel bearings49.3× usualIsuzu D-Max14.8% All 2018 cars0.3%
Failed outright at MOT: 1.9%, against 0.1% of all 2018 cars. The rest were advisories or minor defects.
Rough price £120–£300 (one bearing) ClickMechanicAt the viewing: Listen for a hum or growl that changes as you steer at speed.
- Shock absorbers4.8× usualIsuzu D-Max11.1% All 2018 cars2.3%
Failed outright at MOT: 4.9%, against 0.4% of all 2018 cars. The rest were advisories or minor defects.
Rough price £200–£300 (pair, average rear to front) ClickMechanicAt the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.
- Rigid brake pipes15× usualIsuzu D-Max7.5% All 2018 cars0.5%
Failed outright at MOT: 1.3%, against 0.1% of all 2018 cars. The rest were advisories or minor defects.
Rough price £100–£400 our estimateAt 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 bushes and joints34.5× usualIsuzu D-Max6.9% All 2018 cars0.2%
Failed outright at MOT: 1.9%, against 0% of all 2018 cars. The rest were advisories or minor defects.
Rough price £100–£280 (pair of drop links) CheckatradeAt 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.
- Number plate lights4.1× usualIsuzu D-Max5.8% All 2018 cars1.4%
Failed outright at MOT: 2.1%, against 0.5% of all 2018 cars. The rest were advisories or minor defects.
Rough price £5–£40 our estimateAt the viewing: Check the number plate lights work and the plates are clean and legal.
Tyre condition: 4.9% here, against 13.6% of all 2018 cars.
Common 2018 Isuzu D-Max MOT failures and advisories
The share of 2018 Isuzu D-Max MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Lights and electrics27% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Brakes22% 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.
- Suspension22% 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.
- Tyres20% 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.
- Wipers, windscreen and mirrors9% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Exhaust and emissions3% 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.
Questions to ask the seller before buying a 2018 Isuzu D-Max
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the wheel bearings? (Flagged at MOT 49.3× as often on the 2018 Isuzu D-Max as on other cars the same age.)
- Any recent work on the shock absorbers? (Flagged at MOT 4.8× as often on the 2018 Isuzu D-Max as on other cars the same age.)
- Any recent work on the rigid brake pipes? (Flagged at MOT 15× as often on the 2018 Isuzu D-Max as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at an Isuzu D-Max?
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 Isuzu D-Max compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2023 | 131 | Tyres 21% |
| 2022 | 3,558 | Tyres 23% |
| 2021 | 6,174 | Tyres 21% |
| 2020 | 7,547 | Lights and electrics 21% |
| 2019 | 11,435 | Lights and electrics 23% |
| 2017 | 12,899 | Lights and electrics 29% |
| 2016 | 12,814 | Lights and electrics 34% |
| 2015 | 13,647 | Lights and electrics 36% |
| 2014 | 11,629 | Lights and electrics 39% |
| 2013 | 8,122 | Lights and electrics 43% |
| 2012 | 3,565 | Lights and electrics 42% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Isuzu D-Max cars first registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score