Toyota iQ
Reliability, estimated running costs, and MOT data across 7 model years from 28,440 MOT tests in 2024.
Avg Pass Rate
87%
Total Tests
28,440
Highest Pass Rate
2014 (91%)
Years Covered
7
About the Toyota iQ
The Toyota iQ was MOT tested 28,440 times in 2024 (DVSA data, retests included) across 7 model years (2008 to 2014), with an average pass rate of 87%. That's slightly above the average of 82% across all models in our data. Our records list petrol versions.
Best and Worst Years
Of the years with at least 100 tests, the 2014 model has the highest pass rate at 91% from 1,341 tests. The 2010 model has the lowest at 84%. The 7 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.
Reliability Trend
Newer Toyota iQs pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.
Mileage Across Years
The oldest model in our data (2008) averages 70,732 miles, while the newest (2014) averages 46,428 miles.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2014 detailsHow reliable is the Toyota iQ?
Toyota iQ by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Toyota iQ
Is the Toyota iQ reliable?
Across its 7 model years in our data (2008 to 2014), the Toyota iQ averages an 87% MOT pass rate, from 28,440 tests (DVSA MOT data for tests in 2024, retests included). That's 5 points above the average of 82% across all models in the same data. The 2014 model has the highest pass rate of the years with at least 100 tests, at 91%.
Which year Toyota iQ has the best MOT pass rate?
Of the years with at least 100 tests, the 2014 Toyota iQ has the highest MOT pass rate at 91%, while the 2010 model has the lowest at 84%, a 7 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Toyota iQs more reliable?
Newer Toyota iQs pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.
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