BMW X4 (2017)
Running costs, reliability data, and common problems from 5,035 real MOT tests.
Annual Cost
£1,845
£154/month
MOT Pass Rate
89%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 30-42
2993cc Diesel
Solid Option
89% pass rate, £1845/year to run. 7 points above average.
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Annual Running Costs
~40 mpg
Flat rate (post-2017)
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 9 years old, 89% of BMW X4s from 2017 passed their MOT first time in 2026. That's based on 5,035 tests across the UK. The average mileage at this age is 62,856 miles.
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How Does It Compare?
Mileage Analysis
62,856
Average miles
66,600
Expected for age
The average 2017 BMW X4 has 62,856 miles on the clock, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2020 model with a 94% MOT pass rate, while the 2015 model has the lowest at 88%. The 2017 sits between the two at 89%.
BMW X4 by Year
Similar Cars to Consider
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About the 2017 BMW X4
The 2017 BMW X4 is a premium performance with a 2993cc diesel engine. 5,035 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2017, the average MOT pass rate is 87%, and this model beats that benchmark.
With an average of 62,856 miles at 9 years old, BMW X4 owners drive about as much as the UK average.
2017 BMW X4 Fuel Costs
The 2993cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (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 BMW X4?
Total estimated annual running cost is £1,845 (£154/month), broken down as £1245 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.
BMW X4 Reliability Trend
Newer BMW X4s show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Buying a Used 2017 BMW X4
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 2020 model has the highest pass rate at 94%. With 5,035 MOT tests in our data, there's strong statistical confidence in these figures.
Common Issues to Watch For
Based on the 2017 BMW X4's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Watch outDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
AdBlue System
Medium riskPost-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
Dual Mass Flywheel
Watch outLarger 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 riskShock 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 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 2017 BMW X4 stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| BMW X4(2017) | 89% | £1245 | £195 | Grp 30-42 | £1845 |
| MERCEDES E(2019) | 90% | £1245 | £190 | Grp 30-42 | £1690-£155 |
| MERCEDES GLC(2018) | 91% | £1245 | £190 | Grp 30-42 | £1690-£155 |
| AUDI A5(2017) | 89% | £1245 | £190 | Grp 30-42 | £1840-£5 |
| FORD RANGER(2019) | 87% | £1245 | £190 | Grp 35-50 | £1840-£5 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
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