Infiniti QX70 (2014)
Estimated running costs and MOT pass rates from 346 MOT tests in 2024.
Annual Cost
£3,153
£263/month
MOT Pass Rate
87%
Good
Road Tax
£790
Estimated/year
Est. Insurance
Grp 35-50
3700cc Petrol
Solid Option
87% pass rate, £3,153/year to run. 5 points above average.
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Annual Running Costs
~30 mpg
Estimated CO2 band
Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included.
Reliability Verdict
Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data.
87% of MOT tests on Infiniti QX70s from 2014 ended in a pass in 2024, when they were about 10 years old. That's based on 346 tests across the UK, retests included. The average mileage recorded at those tests was 82,199 miles.
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How Does It Compare?
Mileage Analysis
82,199
Average miles
74,000
Expected for age
The average 2014 Infiniti QX70 had 82,199 miles on the clock at its 2024 MOT, which is in line with the expected 74,000 miles for a 10-year-old car, suggesting normal everyday use.
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Best Year to Buy?
Of the years with at least 100 tests, the 2016 model has the highest MOT pass rate at 94%, while the 2014 model has the lowest at 87%. Consider a different year if reliability is a priority. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Infiniti QX70 by Year
Similar Cars to Consider
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About the 2014 Infiniti QX70
The 2014 Infiniti QX70 is a premium performance car. Our records list a 3700cc petrol engine, though engines vary between versions. 346 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. Among all models from 2014, the average MOT pass rate is 81%, and this model beats that benchmark.
With an average of 82,199 miles recorded at its 2024 MOT tests, Infiniti QX70 owners drive about as much as the UK average.
2014 Infiniti QX70 Fuel Costs
The 3700cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,958 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).
What does it cost to own a 2014 Infiniti QX70?
Total estimated annual running cost is £3,153 (£263/month), broken down as £1,958 fuel, £790 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 87% pass rate. Keeping on top of servicing will help avoid surprises.
Infiniti QX70 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.
Buying a Used 2014 Infiniti QX70
At 12 years old, the Infiniti QX70 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age.
Common Issues to Watch For
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
Timing Chain / Belt
Watch outAt 12 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
Oil Consumption
Medium riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
Rust and Corrosion
Watch outAt 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.
Suspension Bushings
Watch outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Clutch Wear
Medium riskWith an average of 82k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.
Brake Discs and Pads
Medium riskHigh-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2014 Infiniti QX70 stacks up against similar cars for estimated annual running costs, insurance group, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Est. Ins. Group | Total/yr |
|---|---|---|---|---|---|
| Infiniti QX70(2014) | 87% | £1,958 | £790 | Grp 35-50 | £3,153 |
| Mercedes C(2016) | 88% | £1,958 | £790 | Grp 35-50 | £3,153same |
| Audi A6(2016) | 89% | £1,958 | £790 | Grp 35-50 | £3,153same |
| Porsche Macan(2015) | 91% | £1,958 | £790 | Grp 35-50 | £3,003-£150 |
| Volkswagen Touareg(2015) | 85% | £1,958 | £790 | Grp 35-50 | £3,153same |
Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.
Questions about the 2014 Infiniti QX70
Is the 2014 Infiniti QX70 reliable?
Good reliability. Occasional issues but generally solid. 87% of MOT tests on 2014 Infiniti QX70s ended in a pass, from 346 tests (DVSA MOT data for tests in 2024, retests included). That's 5 points above the average of 82% across all models in the same data.
How much does a 2014 Infiniti QX70 cost to run?
Our estimate is £3,153 a year (£263 a month): £1,958 fuel, £790 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2014 Infiniti QX70?
87% of 346 MOT tests on the 2014 Infiniti QX70 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 227th of 527 models first registered in 2014 (top half).
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% and the 2014 the lowest at 87%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2014 Infiniti QX70?
The average mileage recorded at MOT tests on the 2014 Infiniti QX70 is 82,199 miles, which is in line with the expected 74,000 miles for a 10-year-old car, suggesting normal everyday use.
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