Toyota Sienna 2004
Cars aged 21 · 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
37.6% ±9.7 pp
M1 average at 21 years – 38.5%
n = 93 inspections
Expected mileage now (median)
276,187 km
Percentiles · cars aged 21
p10 185k
p25 230k
p50 276k
p75 326k
p90 376k
| km | |
|---|---|
| p10 | 185,293 km |
| p25 | 229,630 km |
| p50 | 276,187 km |
| p75 | 325,881 km |
| p90 | 375,512 km |
Too few readings for this model – class mileage is shown.
Inspection verdicts
Sienna 2004, n = 93
| % | |
|---|---|
| No defects | 16.1% |
| Minor defects | 21.5% |
| Major defects | 62.4% |
| Dangerous defects | 0.0% |
Odometer inconsistencies
27.3%
cars whose reading dropped between inspections
CO (petrol, idle)
0.00%
4.4% over the limit · n = 90
What these numbers say
37.6% of 2004 Toyota Sienna cars pass the technical inspection at the first attempt (n = 93), against an average of 38.5% for all 21-year-old M1 cars.
This model has too few odometer readings at this age, so the comparison is all 21-year-old M1 cars: typical mileage 276,187 km, half of them between 229,630 km and 325,881 km.
An odometer inconsistency was recorded for 6 cars, 27.3% of those assessed.
The median idle CO reading is 0.00% vol; 4.4% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate