2004 Nissan 350 Z: common problems and what to check
What gets flagged at MOT on 2004 Nissan 350 Zs, from 1,034 tests in 2025, plus known faults and what to look at before you buy one.
What stands out
Parts flagged at MOT more often on 2004 Nissan 350 Zs than on all cars registered in 2004.
- Exhaust emissions (catalyst)2.7× usualNissan 350 Z7.1% All 2004 cars2.6%
Failed outright at MOT: 7%, against 2.5% of all 2004 cars. The rest were advisories or minor defects.
Rough price £175–£900 (catalytic converter) ClickMechanicAt the viewing: Look for smoke when revving the warm engine and for engine or DPF warning lights.
- Rust around sub-frame mountings2.3× usualNissan 350 Z3.4% All 2004 cars1.5%
Failed outright at MOT: 1.1%, against 0.3% of all 2004 cars. The rest were advisories or minor defects.
Rough price £300–£1,000 our estimateAt the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.
- Airbag warning light2.1× usualNissan 350 Z3.4% All 2004 cars1.6%
Failed outright at MOT: 3.3%, against 1.4% of all 2004 cars. The rest were advisories or minor defects.
Rough price £10–£80 our estimateAt the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.
Engine oil leaks: 4% here, against 15.8% of all 2004 cars. Track rod ends: 2.1% here, against 6.6% of all 2004 cars.
By area
The share of 2004 Nissan 350 Z MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension37% 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.
- Brakes31% 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 electrics24% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Tyres22% 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.
- Exhaust and emissions13% 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.
- Wipers, windscreen and mirrors10% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
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Other years
| Year | MOT tests | Most flagged |
|---|---|---|
| 2007 | 579 | Brakes 30% |
| 2006 | 770 | Suspension 33% |
| 2005 | 1,125 | Brakes 32% |
Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2004 Nissan 350 Zs registered in 2004. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score