Opel Monterey 1998
Cars aged 27 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Pass the inspection first time
47.7% ±9.3 pp
M1 average at 27 years – 36.7%
n = 107 inspections
Expected mileage now (median)
346,041 km
Percentiles · cars aged 27
p10 220k
p25 283k
p50 346k
p75 411k
p90 478k
| km | |
|---|---|
| p10 | 220,376 km |
| p25 | 283,236 km |
| p50 | 346,041 km |
| p75 | 411,342 km |
| p90 | 478,370 km |
Too few readings for this model – class mileage is shown.
Inspection verdicts
Monterey 1998, n = 107
| % | |
|---|---|
| No defects | 13.1% |
| Minor defects | 34.6% |
| Major defects | 51.4% |
| Dangerous defects | 0.9% |
Odometer inconsistencies
0.0%
cars whose reading dropped between inspections
Smoke opacity (diesel)
0.79 m⁻¹
24.7% over the limit · n = 93
What these numbers say
47.7% of 1998 Opel Monterey cars pass the technical inspection at the first attempt (n = 107), against an average of 36.7% for all 27-year-old M1 cars.
This model has too few odometer readings at this age, so the comparison is all 27-year-old M1 cars: typical mileage 346,041 km, half of them between 283,236 km and 411,342 km.
No odometer inconsistencies were recorded among the cars assessed.
The median diesel smoke opacity is 0.79 m⁻¹; 24.7% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate