Ford Sierra 1988
Cars aged 37 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Pass the inspection first time
35.6% ±8.0 pp
M1 average at 37 years – 42.1%
n = 135 inspections
Expected mileage now (median)
171,253 km
Percentiles · cars aged 37
p10 25k
p25 66k
p50 171k
p75 246k
p90 313k
| km | |
|---|---|
| p10 | 24,589 km |
| p25 | 65,856 km |
| p50 | 171,253 km |
| p75 | 245,614 km |
| p90 | 312,752 km |
Too few readings for this model – class mileage is shown.
Inspection verdicts
Sierra 1988, n = 135
| % | |
|---|---|
| No defects | 11.1% |
| Minor defects | 24.4% |
| Major defects | 58.5% |
| Dangerous defects | 5.9% |
Odometer inconsistencies
11.8%
cars whose reading dropped between inspections
CO (petrol, idle)
0.30%
37.4% over the limit · n = 107
What these numbers say
35.6% of 1988 Ford Sierra cars pass the technical inspection at the first attempt (n = 135), against an average of 42.1% for all 37-year-old M1 cars.
This model has too few odometer readings at this age, so the comparison is all 37-year-old M1 cars: typical mileage 171,253 km, half of them between 65,856 km and 245,614 km.
An odometer inconsistency was recorded for 4 cars, 11.8% of those assessed.
The median idle CO reading is 0.30% vol; 37.4% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate