Fiat Seicento
Reliability, estimated running costs, and MOT data across 6 model years from 2,715 MOT tests in 2024.
Avg Pass Rate
68%
Total Tests
2,715
Highest Pass Rate
1998 (75%)
Years Covered
6
About the Fiat Seicento
The Fiat Seicento was MOT tested 2,715 times in 2024 (DVSA data, retests included) across 6 model years (1998 to 2003), with an average pass rate of 68%. That's 14 points below the average of 82% across all models in our data, so check the year-by-year data carefully before buying. Our records list petrol versions.
Best and Worst Years
Of the years with at least 100 tests, the 1998 model has the highest pass rate at 75% from 118 tests. The 2000 model has the lowest at 65%. The 10 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
The Fiat Seicento has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Mileage Across Years
The oldest model in our data (1998) averages 54,569 miles, while the newest (2003) averages 58,623 miles.
Compared to the Fiat brand average of 83%, the Seicento is 15 points lower, placing it among the less reliable Fiat models.
Estimated Running Costs
Higher due to low pass rate
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 2003 detailsHow reliable is the Fiat Seicento?
Fiat Seicento by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Fiat Seicento
Is the Fiat Seicento reliable?
Across its 6 model years in our data (1998 to 2003), the Fiat Seicento averages a 68% MOT pass rate, from 2,715 tests (DVSA MOT data for tests in 2024, retests included). That's 14 points below the average of 82% across all models in the same data. The 1998 model has the highest pass rate of the years with at least 100 tests, at 75%.
Which year Fiat Seicento has the best MOT pass rate?
Of the years with at least 100 tests, the 1998 Fiat Seicento has the highest MOT pass rate at 75%, while the 2000 model has the lowest at 65%, a 10 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Fiat Seicentos more reliable?
The Fiat Seicento has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
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