CarCostCheck

Smart Forfour Passion

Reliability, estimated running costs, and MOT data across 3 model years from 630 MOT tests in 2024.

Avg Pass Rate

72%

Total Tests

630

Highest Pass Rate

2006 (73%)

Years Covered

3

About the Smart Forfour Passion

The Smart Forfour Passion was MOT tested 630 times in 2024 (DVSA data, retests included) across 3 model years (2004 to 2006), with an average pass rate of 72%. That's 10 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 2006 model has the highest pass rate at 73% from 290 tests. The 2005 model has the lowest at 71%. With just a 2 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.

Mileage Across Years

The oldest model in our data (2004) averages 107,043 miles, while the newest (2006) averages 100,230 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Compared to the Smart brand average of 80%, the Forfour Passion is 8 points lower, placing it among the less reliable Smart models.

Estimated Running Costs

Fuel (Petrol, 1332cc)
£1,398
Road Tax
£200
MOT Test
£55
Predicted Repairs

Higher due to low pass rate

£500
Total per year£2,153
Per month£179/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 2006 details

How reliable is the Smart Forfour Passion?

vs average of all models-10% (82% avg)
vs Smart brand average-8% (80% avg)
Best to worst year spread2 percentage points

Smart Forfour Passion by Year

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

YearPass RateTestsAvg Mileage
200673%290100,230 mi
200571%254103,205 mi
200472%86107,043 mi

Questions about the Smart Forfour Passion

Is the Smart Forfour Passion reliable?

Across its 3 model years in our data (2004 to 2006), the Smart Forfour Passion averages a 72% MOT pass rate, from 630 tests (DVSA MOT data for tests in 2024, retests included). That's 10 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 73%.

Which year Smart Forfour Passion has the best MOT pass rate?

Of the years with at least 100 tests, the 2006 Smart Forfour Passion has the highest MOT pass rate at 73%, while the 2005 model has the lowest at 71%, a 2 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Smart Forfour Passion Guides & Articles

Checking a specific Smart Forfour Passion?

Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data