Ford Sierra 1990
Cars aged 35 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Pass the inspection first time
42.9% ±8.3 pp
M1 average at 35 years – 40.3%
n = 133 inspections
Expected mileage now (median)
198,846 km
Percentiles · cars aged 35
p10 36k
p25 90k
p50 199k
p75 260k
p90 319k
| km | |
|---|---|
| p10 | 36,473 km |
| p25 | 89,715 km |
| p50 | 198,846 km |
| p75 | 259,738 km |
| p90 | 319,060 km |
Too few readings for this model – class mileage is shown.
Inspection verdicts
Sierra 1990, n = 133
| % | |
|---|---|
| No defects | 27.8% |
| Minor defects | 15.0% |
| Major defects | 52.6% |
| Dangerous defects | 4.5% |
Odometer inconsistencies
13.5%
cars whose reading dropped between inspections
CO (petrol, idle)
0.50%
46.8% over the limit · n = 109
What these numbers say
42.9% of 1990 Ford Sierra cars pass the technical inspection at the first attempt (n = 133), against an average of 40.3% for all 35-year-old M1 cars.
This model has too few odometer readings at this age, so the comparison is all 35-year-old M1 cars: typical mileage 198,846 km, half of them between 89,715 km and 259,738 km.
An odometer inconsistency was recorded for 5 cars, 13.5% of those assessed.
The median idle CO reading is 0.50% vol; 46.8% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate