BMW 640 (2015)

Estimated running costs and MOT pass rates from 5,007 MOT tests in 2024.

Annual Cost

£2,341

£195/month

MOT Pass Rate

90%

Excellent

Road Tax

£410

Estimated/year

Est. Insurance

Grp 30-42

2993cc Diesel

Great Choice

90% pass rate, £2,341/year to run. 8 points above average.

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Diesel2993cc11 years old5,007 tests76k miles avg

Annual Running Costs

Fuel (Diesel, 2993cc)

~40 mpg

£1,676

Road Tax

Estimated CO2 band

£410

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,341

Per month£195/mo

Per week£45/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.

Reliability Verdict

90% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 8 points above the average of 82% across all models in our data.

90% of MOT tests on BMW 640s from 2015 ended in a pass in 2024, when they were about 9 years old. That's based on 5,007 tests across the UK, retests included. The average mileage recorded at those tests was 75,816 miles.

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How Does It Compare?

Rank among 2015 models135th of 515(top half)

Rank among BMW models682nd of 1,548(top half)

vs average of all models+8%(82% avg)

vs 2015 models average+7%(83% avg)

vs BMW average+2%(88% avg)

Mileage Analysis

75,816

Average miles

66,600

Expected for age

The average 2015 BMW 640 had 75,816 miles on the clock at its 2024 MOT, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.

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BMW 640 by Year

Year	Pass Rate	Tests	Avg Mileage
2018	88%	1,668	50,131 mi
2017	87%	2,562	56,072 mi
2016	90%	4,300	67,077 mi
2015	90%	5,007	75,816 mi
2014	89%	4,809	83,025 mi
2013	88%	3,389	93,395 mi
2012	87%	2,756	95,804 mi
2011	89%	1,116	86,228 mi

Similar Cars to Consider

Audi A5

2017 · 2967cc Diesel

£2,281/year

89%

-1%

Mercedes GLC

2017 · 2987cc Diesel

£2,131/year

90%

same

Land Rover Range Rover

2013 · 2926cc Diesel

£2,491/year

88%

-2%

Jaguar XF

2014 · 2993cc Diesel

£2,491/year

84%

-6%

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About the 2015 BMW 640

The 2015 BMW 640 is a premium performance car. Our records list a 2993cc diesel engine, though engines vary between versions. 5,007 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2015, the average MOT pass rate is 83%, and this model beats that benchmark.

With an average of 75,816 miles recorded at its 2024 MOT tests, BMW 640 owners drive about as much as the UK average.

2015 BMW 640 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 £1,676 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 2015 BMW 640?

Total estimated annual running cost is £2,341 (£195/month), broken down as £1,676 fuel, £410 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

BMW 640 Reliability Trend

The BMW 640 has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.

Buying a Used 2015 BMW 640

At 11 years old, the BMW 640 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. With 5,007 MOT tests in our data, there's strong statistical confidence in these figures.

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.

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 640 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
BMW 640(2015)	90%	£1,676	£410	Grp 30-42	£2,341
Audi A5(2017)	89%	£1,676	£200	Grp 30-42	£2,281-£60
Mercedes GLC(2017)	90%	£1,676	£200	Grp 30-42	£2,131-£210
Land Rover Range Rover(2013)	88%	£1,676	£410	Grp 30-42	£2,491+£150
Jaguar XF(2014)	84%	£1,676	£410	Grp 30-42	£2,491+£150

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 2015 BMW 640

Is the 2015 BMW 640 reliable?

Excellent reliability. Very few MOT failures. 90% of MOT tests on 2015 BMW 640s ended in a pass, from 5,007 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points above the average of 82% across all models in the same data.

How much does a 2015 BMW 640 cost to run?

Our estimate is £2,341 a year (£195 a month): £1,676 fuel, £410 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2015 BMW 640?

90% of 5,007 MOT tests on the 2015 BMW 640 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 135th of 515 models first registered in 2015 (top half).

Which year BMW 640 has the best MOT pass rate?

Of the years with at least 100 tests, the 2015 BMW 640 has the highest MOT pass rate at 90% and the 2017 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 2015 BMW 640?

The average mileage recorded at MOT tests on the 2015 BMW 640 is 75,816 miles, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.