Ford Sierra 1989
Cars aged 36 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Pass the inspection first time
42.9% ±7.7 pp
M1 average at 36 years – 42.3%
n = 154 inspections
Expected mileage now (median)
187,863 km
Percentiles · cars aged 36
p10 30k
p25 75k
p50 188k
p75 259k
p90 316k
| km | |
|---|---|
| p10 | 29,607 km |
| p25 | 75,210 km |
| p50 | 187,863 km |
| p75 | 258,508 km |
| p90 | 315,792 km |
Too few readings for this model – class mileage is shown.
Inspection verdicts
Sierra 1989, n = 154
| % | |
|---|---|
| No defects | 21.4% |
| Minor defects | 21.4% |
| Major defects | 51.9% |
| Dangerous defects | 5.2% |
Odometer inconsistencies
10.5%
cars whose reading dropped between inspections
CO (petrol, idle)
0.40%
44.8% over the limit · n = 134
What these numbers say
42.9% of 1989 Ford Sierra cars pass the technical inspection at the first attempt (n = 154), against an average of 42.3% for all 36-year-old M1 cars.
This model has too few odometer readings at this age, so the comparison is all 36-year-old M1 cars: typical mileage 187,863 km, half of them between 75,210 km and 258,508 km.
An odometer inconsistency was recorded for 4 cars, 10.5% of those assessed.
The median idle CO reading is 0.40% vol; 44.8% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate