2018 BMW 6 Series · 9,327 MOT tests
2018 BMW 6 Series reliability
2018 BMW 6 Seriess fail 11.9% of first MOT tests, 28% fewer MOT fails than the average car its age and mileage, ranking 15 of 16 6 Series years (9,327 DVSA tests, 2022 to 2024).
Looking at a 2018 BMW 6 Series?
See its own MOT history and mileage, free.
- first-time fail rate (all BMW 6 Seriess: 18.6%)
- 11.9%
- first-time fail rate (all BMW 6 Seriess: 18.6%)
- fails than cars of the same age and mileage
- 28% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 5
- 44,038
- typical miles at its MOT, aged about 5
- MOT tests, 2022 to 2024
- 9,327
- MOT tests, 2022 to 2024
Year on year
2018 against the years either side
- 2017 cars: 20% fewer MOT fails than the average car its age (the 2018 car does better)
- 2019 cars: 36% fewer MOT fails than the average car its age (the 2018 car does worse)
- Weak spot: wheels, 1.4% of tests fail here (476% above cars of the same age and mileage).
- Strong point: lights and electrics, 73% fewer fails than comparable cars.
- Plates: a 2018 car carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
Common problems
What fails on a 2018 BMW 6 Series
Fail rate by area
- Tyres7.2%
- Wheels1.4%
- Lights and electrics1.1%
- Windscreen, wipers and mirrors1.1%
- Exhaust, emissions and leaks0.9%
- Brakes0.9%
- Body, chassis and structure0.6%
Average for cars of the same age and mileage
Top failures
Tyre bulge from structural failure 1.88%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Tyre ply or cords exposed 1.66%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Tyre cut reaching ply or cords 1.63%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Road wheel fractured or welded defect 0.87%
A fractured wheel can fail suddenly and cause loss of control, so it must be replaced before driving.
Tyre tread below 1.6mm 0.85%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Diesel engine warning light faulty 0.5%
A lit or non-working engine warning light can hide faults, so diagnosis is needed before buying.
Common advisories
Tyre worn close to legal limit (9.1%) · Brake pads wearing thin (4.24%) · Child seat limits belt inspection (1.87%) · Nail in tyre, monitor (1.82%) · Propshaft coupling slightly deteriorated (1.54%) · Tyre has a shallow cut (1.42%)
Other years
Every BMW 6 Series year
The full picture: BMW 6 Series reliability. Before you pay for any BMW 6 Series, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2018 BMW 6 Series reliable?
2018 BMW 6 Seriess fail 11.9% of first MOT tests, 28% fewer MOT fails than the average car its age and mileage, ranking 15 of 16 6 Series years (9,327 DVSA tests, 2022 to 2024).
What fails on a 2018 BMW 6 Series MOT?
Most often tyre bulge from structural failure (1.88% of tests), tyre ply or cords exposed (1.66% of tests), tyre cut reaching ply or cords (1.63% of tests).
How many miles should a 2018 BMW 6 Series have done?
At its MOT aged about 5, a typical 2018 BMW 6 Series shows 44,038 miles. Much higher or lower is worth asking about.
What plate is a 2018 car?
A car first registered in 2018 carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
Check a 2018 BMW 6 Series free
MOT history, mileage record, ULEZ, tax and recalls on any UK car, in seconds. No sign-up, no card.