Audi A4 1999
Cars aged 26 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Pass the inspection first time
39.6% ±0.8 pp
M1 average at 26 years – 37.1%
n = 14,107 inspections
Expected mileage now (median)
346,942 km
Percentiles · cars aged 26
p10 243k
p25 288k
p50 347k
p75 390k
p90 445k
| km | |
|---|---|
| p10 | 242,552 km |
| p25 | 287,828 km |
| p50 | 346,942 km |
| p75 | 390,193 km |
| p90 | 444,512 km |
Inspection verdicts
A4 1999, n = 14,107
| % | |
|---|---|
| No defects | 12.0% |
| Minor defects | 27.6% |
| Major defects | 58.6% |
| Dangerous defects | 1.8% |
Odometer inconsistencies
2.5%
cars whose reading dropped between inspections
CO (petrol, idle)
0.30%
26.8% over the limit · n = 3,217
Smoke opacity (diesel)
0.73 m⁻¹
22.3% over the limit · n = 10,301
What these numbers say
39.6% of 1999 Audi A4 cars pass the technical inspection at the first attempt (n = 14,107), against an average of 37.1% for all 26-year-old M1 cars.
At 26 years old, a typical one now shows 346,942 km on the odometer; half of them read between 287,828 km and 390,193 km.
An odometer inconsistency was recorded for 84 cars, 2.5% of those assessed.
The median diesel smoke opacity is 0.73 m⁻¹; 22.3% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate