Audi A4 2005
Cars aged 20 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Pass the inspection first time
47.7% ±0.8 pp
M1 average at 20 years – 39.5%
n = 16,926 inspections
Expected mileage now (median)
323,758 km
Percentiles · cars aged 20
p10 248k
p25 289k
p50 324k
p75 364k
p90 407k
| km | |
|---|---|
| p10 | 248,035 km |
| p25 | 288,940 km |
| p50 | 323,758 km |
| p75 | 363,780 km |
| p90 | 407,422 km |
Inspection verdicts
A4 2005, n = 16,926
| % | |
|---|---|
| No defects | 21.3% |
| Minor defects | 26.4% |
| Major defects | 51.2% |
| Dangerous defects | 1.1% |
Odometer inconsistencies
1.7%
cars whose reading dropped between inspections
CO (petrol, idle)
0.00%
4.2% over the limit · n = 1,462
Smoke opacity (diesel)
0.59 m⁻¹
21.6% over the limit · n = 14,620
What these numbers say
47.7% of 2005 Audi A4 cars pass the technical inspection at the first attempt (n = 16,926), against an average of 39.5% for all 20-year-old M1 cars.
At 20 years old, a typical one now shows 323,758 km on the odometer; half of them read between 288,940 km and 363,780 km.
An odometer inconsistency was recorded for 72 cars, 1.7% of those assessed.
The median diesel smoke opacity is 0.59 m⁻¹; 21.6% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate