Fiat Idea

Reliability, estimated running costs, and MOT data across 4 model years from 657 MOT tests in 2024.

Avg Pass Rate

69%

Total Tests

657

Highest Pass Rate

2006 (72%)

Years Covered

About the Fiat Idea

The Fiat Idea was MOT tested 657 times in 2024 (DVSA data, retests included) across 4 model years (2004 to 2007), with an average pass rate of 69%. That's 13 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 and diesel versions.

Best and Worst Years

Of the years with at least 100 tests, the 2006 model has the highest pass rate at 72% from 170 tests. The 2004 model has the lowest at 65%. 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 Fiat Ideas pass their MOT more often than older ones, by 6 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2004) averages 78,204 miles, while the newest (2007) averages 87,332 miles.

Compared to the Fiat brand average of 83%, the Idea is 14 points lower, placing it among the less reliable Fiat models.

Estimated Running Costs

Fuel (Petrol, 1368cc)

£1,398

Road Tax

£200

MOT Test

£55

Predicted Repairs

Higher due to low pass rate

£700

Total per year£2,353

Per month£196/mo

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 2007 details

How reliable is the Fiat Idea?

vs average of all models-13% (82% avg)

vs Fiat brand average-14% (83% avg)

Best to worst year spread7 percentage points

Reliability trendImproving over years

Fiat Idea by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2007	68%	87	87,332 mi
2006	72%	170	86,196 mi
2005	70%	155	78,400 mi
2004	65%	245	78,204 mi

Questions about the Fiat Idea

Is the Fiat Idea reliable?

Across its 4 model years in our data (2004 to 2007), the Fiat Idea averages a 69% MOT pass rate, from 657 tests (DVSA MOT data for tests in 2024, retests included). That's 13 points below the average of 82% across all models in the same data. The 2006 model has the highest pass rate of the years with at least 100 tests, at 72%.

Which year Fiat Idea has the best MOT pass rate?

Of the years with at least 100 tests, the 2006 Fiat Idea has the highest MOT pass rate at 72%, while the 2004 model has the lowest at 65%, a 7 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.