Is the 2015 BMW X6 reliable?

Excellent reliability. Very few MOT failures. 91% of BMW X6s from 2015 passed their MOT first time in 2026, based on 3,260 tests. That's 9 points above the national average of 82%.

How much does a 2015 BMW X6 cost to run?

Estimated annual running cost is £1,895 (£158/month), including £1245 fuel, £395 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2015 BMW X6?

The 2015 BMW X6 has a 91% MOT pass rate based on 3,260 tests in 2026. This ranks 136 out of 559 cars from 2015.

Which year BMW X6 is most reliable?

The 2016 BMW X6 has the highest MOT pass rate at 93%. The least reliable year is 2008 at 82%.

What is the average mileage for a 2015 BMW X6?

The average mileage for a 2015 BMW X6 is 81,723 miles, which is in line with the expected 81,400 miles for a 11-year-old car, suggesting normal everyday use.

BMW X6 (2015)

Running costs, reliability data, and common problems from 3,260 real MOT tests.

Annual Cost

£1,895

£158/month

MOT Pass Rate

91%

Excellent

Road Tax

£395

Based on CC/year

Insurance

Grp 30-42

2993cc Diesel

Great Choice

91% pass rate, £1895/year to run. 9 points above average.

Buying this car? Check for finance, write-offs & theft

£4.99

Check a specific BMW X6

Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.

Diesel2993cc11 years old3,260 tests82k miles avg

Annual Running Costs

Fuel (Diesel, 2993cc)

~40 mpg

£1,245

Road Tax

Based on 2993cc

£395

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,895

Per month£158/mo

Per week£36/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

🛡️

Get an insurance quote for this BMW X6

Compare quotes and find the best deal

Reliability Verdict

91% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%.

At 11 years old, 91% of BMW X6s from 2015 passed their MOT first time in 2026. That's based on 3,260 tests across the UK. The average mileage at this age is 81,723 miles.

Got a BMW X6 you're looking at?

Enter the reg plate to check its specific MOT history, mileage, and health score.

How Does It Compare?

Rank among 2015 cars136th of 559(top 24%)

Rank among BMW models566th of 1,564(top 36%)

vs national average+9%(82% avg)

vs 2015 cars average+8%(83% avg)

vs BMW average+3%(88% avg)

Mileage Analysis

81,723

Average miles

81,400

Expected for age

The average 2015 BMW X6 has 81,723 miles on the clock, which is in line with the expected 81,400 miles for a 11-year-old car, suggesting normal everyday use.

Looking at a specific BMW X6?

Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.

Best Year to Buy?

The most reliable year is the 2016 model with a 93% MOT pass rate, while the 2008 model has the lowest at 82%. The 2015 sits between the two at 91%.

BMW X6 by Year

Year	Pass Rate	Tests	Avg Mileage
2019	91%	1,414	47,950 mi
2018	92%	5,522	54,052 mi
2017	92%	3,667	64,132 mi
2016	93%	4,566	71,331 mi
2015	91%	3,260	81,723 mi
2014	88%	3,247	90,615 mi
2013	88%	2,989	96,288 mi
2012	86%	2,858	103,018 mi
2011	86%	2,085	109,926 mi
2010	87%	2,186	113,093 mi
2009	85%	2,409	119,777 mi
2008	82%	1,117	123,091 mi

Similar Cars to Consider

AUDI A5

2017 · 2967cc Diesel

£1,840/year

89%

-2%

MERCEDES GLC

2017 · 2987cc Diesel

£1,690/year

90%

-1%

LAND ROVER RANGE ROVER

2013 · 2926cc Diesel

£1,900/year

88%

-3%

JAGUAR XF

2014 · 2993cc Diesel

£1,900/year

84%

-7%

Check a Specific Bmw X6

Enter a reg plate to get the full MOT history, health score, and mileage verification.

Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.

About the 2015 BMW X6

The 2015 BMW X6 is a premium performance with a 2993cc diesel engine. 3,260 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. It ranks in the top 24% of all 2015 cars for reliability.

With an average of 81,723 miles at 11 years old, BMW X6 owners drive about as much as the UK average.

2015 BMW X6 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 2015 BMW X6?

Total estimated annual running cost is £1,895 (£158/month), broken down as £1245 fuel, £395 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

BMW X6 Reliability Trend

Newer BMW X6s show better MOT pass rates than older ones, with an average improvement of 6 percentage points.

Buying a Used 2015 BMW X6

At 11 years old, the BMW X6 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. If you're flexible on year, the 2016 model has the highest pass rate at 93%.

Common Issues to Watch For

Based on the 2015 BMW X6's fuel type, age, and engine size, these are the most likely problem areas to check.

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.

Rust and Corrosion

Watch out

At 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 out

Rubber 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 risk

With 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 risk

High-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 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 2015 BMW X6 stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
BMW X6(2015)	91%	£1245	£395	Grp 30-42	£1895
AUDI A5(2017)	89%	£1245	£190	Grp 30-42	£1840-£55
MERCEDES GLC(2017)	90%	£1245	£190	Grp 30-42	£1690-£205
LAND ROVER RANGE ROVER(2013)	88%	£1245	£250	Grp 30-42	£1900+£5
JAGUAR XF(2014)	84%	£1245	£250	Grp 30-42	£1900+£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.