Infiniti Q70 (2017)

Estimated running costs and MOT pass rates from 255 MOT tests in 2024.

Annual Cost

£2,281

£190/month

MOT Pass Rate

86%

Good

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 25-38

2143cc Diesel

Solid Option

86% pass rate, £2,281/year to run. Close to the average across all models.

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Diesel2143cc9 years old255 tests63k miles avg

Annual Running Costs

Fuel (Diesel, 2143cc)

~40 mpg

£1,676

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

£350

Total per year£2,281

Per month£190/mo

Per week£44/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p 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. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).

Reliability Verdict

86% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data.

86% of MOT tests on Infiniti Q70s from 2017 ended in a pass in 2024, when they were about 7 years old. That's based on 255 tests across the UK, retests included. The average mileage recorded at those tests was 63,197 miles.

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How Does It Compare?

Rank among 2017 models374th of 540(bottom half)

Rank among Infiniti models32nd of 47(bottom half)

vs average of all models+4%(82% avg)

vs 2017 models average-1%(87% avg)

vs Infiniti average-1%(87% avg)

Mileage Analysis

63,197

Average miles

51,800

Expected for age

The average 2017 Infiniti Q70 had 63,197 miles on the clock at its 2024 MOT, which is above the expected 51,800 miles for a 7-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

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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 88%, while the 2015 model has the lowest at 82%. The 2017 scores 86%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Infiniti Q70 by Year

Year	Pass Rate	Tests	Avg Mileage
2017	86%	255	63,197 mi
2016	88%	139	75,482 mi
2015	82%	249	80,820 mi

Similar Cars to Consider

Volkswagen Golf

2015 · 1968cc Diesel

£2,077/year

89%

+3%

Ford Kuga

2019 · 1997cc Diesel

£1,852/year

91%

+5%

Kia Sportage

2016 · 1700cc Diesel

£2,077/year

85%

-1%

Land Rover Range Rover Evoque

2016 · 1999cc Diesel

£1,927/year

90%

+4%

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About the 2017 Infiniti Q70

The 2017 Infiniti Q70 is a premium car. Our records list a 2143cc diesel engine, though engines vary between versions. 255 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. Among all models from 2017, the average MOT pass rate is 87%, and this model falls short of that benchmark.

With an average of 63,197 miles recorded at its 2024 MOT tests, Infiniti Q70 owners cover more miles than the average driver.

2017 Infiniti Q70 Fuel Costs

The 2143cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,676 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2017 Infiniti Q70?

Total estimated annual running cost is £2,281 (£190/month), broken down as £1,676 fuel, £200 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.

Infiniti Q70 Reliability Trend

Newer Infiniti Q70s 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 2017 Infiniti Q70

At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2016 model has the highest pass rate at 88%.

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.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

Service History

Low risk

Always 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 2017 Infiniti Q70 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 Q70(2017)	86%	£1,676	£200	Grp 25-38	£2,281
Volkswagen Golf(2015)	89%	£1,397	£275	Grp 18-32	£2,077-£204
Ford Kuga(2019)	91%	£1,397	£200	Grp 18-32	£1,852-£429
Kia Sportage(2016)	85%	£1,397	£275	Grp 18-32	£2,077-£204
Land Rover Range Rover Evoque(2016)	90%	£1,397	£275	Grp 18-32	£1,927-£354

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 2017 Infiniti Q70

Is the 2017 Infiniti Q70 reliable?

Good reliability. Occasional issues but generally solid. 86% of MOT tests on 2017 Infiniti Q70s ended in a pass, from 255 tests (DVSA MOT data for tests in 2024, retests included). That's 4 points above the average of 82% across all models in the same data.

How much does a 2017 Infiniti Q70 cost to run?

Our estimate is £2,281 a year (£190 a month): £1,676 fuel, £200 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 2017 Infiniti Q70?

86% of 255 MOT tests on the 2017 Infiniti Q70 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 374th of 540 models first registered in 2017 (bottom half).

Which year Infiniti Q70 has the best MOT pass rate?

Of the years with at least 100 tests, the 2016 Infiniti Q70 has the highest MOT pass rate at 88% and the 2015 the lowest at 82%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2017 Infiniti Q70?

The average mileage recorded at MOT tests on the 2017 Infiniti Q70 is 63,197 miles, which is above the expected 51,800 miles for a 7-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.