SEAT Altea 2004
Cars aged 21 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Pass the inspection first time
44.8% ±1.8 pp
M1 average at 21 years – 38.5%
n = 3,101 inspections
Expected mileage now (median)
292,521 km
Percentiles · cars aged 21
p10 225k
p25 251k
p50 293k
p75 315k
p90 355k
| km | |
|---|---|
| p10 | 224,654 km |
| p25 | 251,354 km |
| p50 | 292,521 km |
| p75 | 315,276 km |
| p90 | 355,363 km |
Inspection verdicts
Altea 2004, n = 3,101
| % | |
|---|---|
| No defects | 18.9% |
| Minor defects | 25.9% |
| Major defects | 54.0% |
| Dangerous defects | 1.3% |
Odometer inconsistencies
1.2%
cars whose reading dropped between inspections
CO (petrol, idle)
0.00%
7.9% over the limit · n = 356
Smoke opacity (diesel)
0.55 m⁻¹
21.2% over the limit · n = 2,581
What these numbers say
44.8% of 2004 SEAT Altea cars pass the technical inspection at the first attempt (n = 3,101), against an average of 38.5% for all 21-year-old M1 cars.
At 21 years old, a typical one now shows 292,521 km on the odometer; half of them read between 251,354 km and 315,276 km.
An odometer inconsistency was recorded for 9 cars, 1.2% of those assessed.
The median diesel smoke opacity is 0.55 m⁻¹; 21.2% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate