Is the 2015 BMW M5 reliable?

Excellent reliability. Very few MOT failures. 94% of BMW M5s from 2015 passed their MOT first time in 2026, based on 1,111 tests. That's 12 points above the national average of 82%.

How much does a 2015 BMW M5 cost to run?

Estimated annual running cost is £2,607 (£217/month), including £1592 fuel, £760 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2015 BMW M5?

The 2015 BMW M5 has a 94% MOT pass rate based on 1,111 tests in 2026. This ranks 79 out of 559 cars from 2015.

Which year BMW M5 is most reliable?

The 2012 BMW M5 has the highest MOT pass rate at 95%. The least reliable year is 2000 at 85%.

BMW M5 (2015)

Q: What is the average mileage for a 2015 BMW M5?

The average mileage for a 2015 BMW M5 is 60,765 miles, which is below the expected 81,400 miles for a 11-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 1,111 real MOT tests.

Annual Cost

£2,607

£217/month

MOT Pass Rate

94%

Excellent

Road Tax

£760

Based on CC/year

Insurance

Grp 35-50

4395cc Petrol

Great Choice

94% pass rate, £2607/year to run. 12 points above average.

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Petrol4395cc11 years old1,111 tests61k miles avg

Annual Running Costs

Fuel (Petrol, 4395cc)

~30 mpg

£1,592

Road Tax

Based on 4395cc

£760

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,607

Per month£217/mo

Per week£50/wk

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

94% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the BMW brand average of 88%.

At 11 years old, 94% of BMW M5s from 2015 passed their MOT first time in 2026. That's based on 1,111 tests across the UK. The average mileage at this age is 60,765 miles.

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How Does It Compare?

Rank among 2015 cars79th of 559(top 14%)

Rank among BMW models255th of 1,564(top 16%)

vs national average+12%(82% avg)

vs 2015 cars average+11%(83% avg)

vs BMW average+6%(88% avg)

Mileage Analysis

60,765

Average miles

81,400

Expected for age

The average 2015 BMW M5 has 60,765 miles on the clock, which is below the expected 81,400 miles for a 11-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2012 model with a 95% MOT pass rate, while the 2000 model has the lowest at 85%. The 2015 sits between the two at 94%.

BMW M5 by Year

Year	Pass Rate	Tests	Avg Mileage
2021	100%	43	45,385 mi
2020	100%	35	34,728 mi
2019	95%	255	39,872 mi
2018	92%	50	45,133 mi
2017	100%	39	58,281 mi
2016	94%	1,332	59,490 mi
2015	94%	1,111	60,765 mi
2014	94%	1,304	62,382 mi
2013	91%	1,310	66,323 mi
2012	95%	815	76,211 mi
2011	95%	219	76,893 mi
2010	77%	35	77,493 mi
2009	97%	30	74,096 mi
2008	95%	229	81,787 mi
2007	95%	467	83,923 mi
2006	89%	466	84,560 mi
2005	91%	597	92,623 mi
2003	94%	62	121,472 mi
2002	90%	272	119,488 mi
2001	90%	435	117,951 mi
2000	85%	359	125,310 mi
1999	89%	229	124,156 mi
1995	100%	44	125,572 mi
1994	90%	50	115,651 mi
1993	90%	62	127,582 mi
1992	92%	48	150,004 mi
1991	91%	46	110,152 mi

Similar Cars to Consider

MERCEDES C

2016 · 3982cc Petrol

£2,247/year

88%

-6%

AUDI A6

2016 · 3993cc Petrol

£2,247/year

89%

-5%

PORSCHE 911

2017 · 3996cc Petrol

£2,037/year

97%

+3%

BMW X6

2017 · 4395cc Petrol

£2,037/year

92%

-2%

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About the 2015 BMW M5

The 2015 BMW M5 is a premium performance with a 4395cc petrol engine. 1,111 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. It ranks in the top 14% of all 2015 cars for reliability.

With an average of 60,765 miles at 11 years old, BMW M5 owners tend to use this car less than the typical driver.

2015 BMW M5 Fuel Costs

The 4395cc 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 £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2015 BMW M5?

Total estimated annual running cost is £2,607 (£217/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

BMW M5 Reliability Trend

Newer BMW M5s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.

Buying a Used 2015 BMW M5

At 11 years old, the BMW M5 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 2012 model has the highest pass rate at 95%.

Common Issues to Watch For

Based on the 2015 BMW M5's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 11 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 risk

Larger 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 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.

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 M5 stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
BMW M5(2015)	94%	£1592	£760	Grp 35-50	£2607
MERCEDES C(2016)	88%	£1592	£250	Grp 35-50	£2247-£360
AUDI A6(2016)	89%	£1592	£250	Grp 35-50	£2247-£360
PORSCHE 911(2017)	97%	£1592	£190	Grp 35-50	£2037-£570
BMW X6(2017)	92%	£1592	£190	Grp 35-50	£2037-£570

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.