Opel Monterey 1997
Cars aged 28 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Fewer than 100 inspections – figures are indicative and intervals wide.
Pass the inspection first time
64.9% ±9.5 pp
M1 average at 28 years – 36.5%
n = 94 inspections
Expected mileage now (median)
341,237 km
Percentiles · cars aged 28
p10 208k
p25 275k
p50 341k
p75 412k
p90 480k
| km | |
|---|---|
| p10 | 207,670 km |
| p25 | 274,832 km |
| p50 | 341,237 km |
| p75 | 412,016 km |
| p90 | 479,802 km |
Too few readings for this model – class mileage is shown.
Inspection verdicts
Monterey 1997, n = 94
| % | |
|---|---|
| No defects | 25.5% |
| Minor defects | 39.4% |
| Major defects | 29.8% |
| Dangerous defects | 5.3% |
Odometer inconsistencies
0.0%
cars whose reading dropped between inspections
Smoke opacity (diesel)
0.47 m⁻¹
14.3% over the limit · n = 77
What these numbers say
64.9% of 1997 Opel Monterey cars pass the technical inspection at the first attempt (n = 94), against an average of 36.5% for all 28-year-old M1 cars.
This model has too few odometer readings at this age, so the comparison is all 28-year-old M1 cars: typical mileage 341,237 km, half of them between 274,832 km and 412,016 km.
No odometer inconsistencies were recorded among the cars assessed.
The median diesel smoke opacity is 0.47 m⁻¹; 14.3% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate