Infiniti Ex

Reliability, estimated running costs, and MOT data across 3 model years from 237 MOT tests in 2024.

Avg Pass Rate

80%

Total Tests

237

Model Years

2010 to 2012

Years Covered

About the Infiniti Ex

The Infiniti Ex was MOT tested 237 times in 2024 (DVSA data, retests included) across 3 model years (2010 to 2012), with an average pass rate of 80%. That's close to the average of 82% across all models in our data. Our records list diesel versions.

Mileage Across Years

The oldest model in our data (2010) averages 102,491 miles, while the newest (2012) averages 90,539 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Compared to the Infiniti brand average of 87%, the Ex is 7 points lower, placing it among the less reliable Infiniti models.

Estimated Running Costs

Fuel (Diesel, 2993cc)

£1,676

Road Tax

£410

MOT Test

£55

Predicted Repairs

£350

Total per year£2,491

Per month£208/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 2012 details

How reliable is the Infiniti Ex?

vs average of all models-2% (82% avg)

vs Infiniti brand average-7% (87% avg)

Infiniti Ex by Year

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

Year	Pass Rate	Tests	Avg Mileage
2012	82%	61	90,539 mi
2011	79%	111	97,327 mi
2010	78%	65	102,491 mi

Questions about the Infiniti Ex

Is the Infiniti Ex reliable?

Across its 3 model years in our data (2010 to 2012), the Infiniti Ex averages an 80% MOT pass rate, from 237 tests (DVSA MOT data for tests in 2024, retests included). That's 2 points below the average of 82% across all models in the same data.