Alfa Romeo 156 1999
Cars aged 26 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Pass the inspection first time
19.9% ±4.5 pp
M1 average at 26 years – 37.1%
n = 307 inspections
Expected mileage now (median)
345,170 km
Percentiles · cars aged 26
p10 226k
p25 285k
p50 345k
p75 408k
p90 471k
| km | |
|---|---|
| p10 | 226,121 km |
| p25 | 285,090 km |
| p50 | 345,170 km |
| p75 | 407,668 km |
| p90 | 470,530 km |
Too few readings for this model – class mileage is shown.
Inspection verdicts
156 1999, n = 307
| % | |
|---|---|
| No defects | 4.9% |
| Minor defects | 15.0% |
| Major defects | 75.9% |
| Dangerous defects | 4.2% |
Odometer inconsistencies
0.0%
cars whose reading dropped between inspections
CO (petrol, idle)
0.50%
45.4% over the limit · n = 119
Smoke opacity (diesel)
1.12 m⁻¹
37.8% over the limit · n = 164
What these numbers say
19.9% of 1999 Alfa Romeo 156 cars pass the technical inspection at the first attempt (n = 307), against an average of 37.1% for all 26-year-old M1 cars.
This model has too few odometer readings at this age, so the comparison is all 26-year-old M1 cars: typical mileage 345,170 km, half of them between 285,090 km and 407,668 km.
No odometer inconsistencies were recorded among the cars assessed.
The median diesel smoke opacity is 1.12 m⁻¹; 37.8% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate