CarCostCheck

Infiniti QX70

Reliability, estimated running costs, and MOT data across 3 model years from 939 MOT tests in 2024.

Avg Pass Rate

90%

Total Tests

939

Highest Pass Rate

2016 (94%)

Years Covered

3

About the Infiniti QX70

The Infiniti QX70 was MOT tested 939 times in 2024 (DVSA data, retests included) across 3 model years (2014 to 2016), with an average pass rate of 90%. That's comfortably above the average of 82% across all models in our data. Our records list petrol and diesel versions.

Best and Worst Years

Of the years with at least 100 tests, the 2016 model has the highest pass rate at 94% from 351 tests. The 2014 model has the lowest at 87%. 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 Infiniti QX70s pass their MOT more often than older ones, by 5 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2014) averages 82,199 miles, while the newest (2016) averages 70,295 miles.

Estimated Running Costs

Fuel (Petrol, 5000cc)
£1,958
Road Tax
£790
MOT Test
£55
Predicted Repairs
£200
Total per year£3,003
Per month£250/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 2016 details

How reliable is the Infiniti QX70?

vs average of all models+8% (82% avg)
vs Infiniti brand average+3% (87% avg)
Best to worst year spread7 percentage points
Reliability trendImproving over years

Infiniti QX70 by Year

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

YearPass RateTestsAvg Mileage
201694%35170,295 mi
201589%24275,964 mi
201487%34682,199 mi

Questions about the Infiniti QX70

Is the Infiniti QX70 reliable?

Across its 3 model years in our data (2014 to 2016), the Infiniti QX70 averages a 90% MOT pass rate, from 939 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points above the average of 82% across all models in the same data. The 2016 model has the highest pass rate of the years with at least 100 tests, at 94%.

Which year Infiniti QX70 has the best MOT pass rate?

Of the years with at least 100 tests, the 2016 Infiniti QX70 has the highest MOT pass rate at 94%, while the 2014 model has the lowest at 87%, a 7 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Are newer Infiniti QX70s more reliable?

Newer Infiniti QX70s pass their MOT more often than older ones, by 5 percentage points on average, which is mostly down to age and wear.

Infiniti QX70 Guides & Articles

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