2004 Nissan 350 Z MOT pass rate: 74.8% (3,300 tests)

2004-registered Nissan 350 Zs passed 74.8% of 3,300 MOT tests in 2023–2025 — 10.4 points better than all UK cars registered in 2004 (64.4%).
74.8%Pass rate, 2004 cars
110.4Age-adjusted index (100 = average)
3,300Tests analysed
95,322 miMedian mileage at test

Is the 2004 350 Z getting worse?

Pass rate of 2004-registered cars across recent test years:

Test yearPass rate
202374.6%
+10.7 vs same-age
202473.6%
+9.5 vs same-age
202576.4%
+11.1 vs same-age

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2004 350 Z

#SystemDefects recordedShare
1Noise, emissions and leaks60521.7%
2Suspension56920.4%
3Lamps, reflectors and electrical equipment51618.5%
4Brakes36112.9%
5Tyres1876.7%
6Visibility1605.7%

All 350 Z years compared

Registration yearTestsPass rateVs same-ageMedian mileage
2004 (this page) 3,300 74.8% +10.4 pts 95,322
2005 3,504 75.0% +10.5 pts 86,636
2006 2,446 74.1% +9.6 pts 86,182
2007 1,876 78.2% +13.1 pts 83,068
Buying a 2004 350 Z? Two checks first

FAQs

Is a 2004 Nissan 350 Z reliable?

2004-registered examples passed 74.8% of their MOT tests (3,300 tests, 2023–2025), +10.4 points versus all UK cars registered in the same year. At roughly 22 years old with a median 95,322 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2004 350 Z?

The median tested example shows 95,322 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.