Is the Bmw 840 reliable?

The Bmw 840 has an average MOT pass rate of 86% across 7 years, based on 2,177 tests in 2026. That's 4 points above the national average of 82%. The most reliable year is 2019 with a 100% pass rate.

Which year Bmw 840 is best?

The 2019 Bmw 840 has the highest MOT pass rate at 100%, while the 1994 model has the lowest at 74%. There's a 26 percentage point spread between the best and worst years.

Bmw 840

Reliability, running costs, and MOT data across 7 years from 2,177 real MOT tests.

Avg Pass Rate

86%

Total Tests

2,177

Best Year

2019 (100%)

Years Covered

About the Bmw 840

The Bmw 840 has been tested 2,177 times in 2026 MOT data across 7 model years (1994 to 2019), with an average pass rate of 86%. That's slightly above the national average of 82%. Available as petrol and diesel.

Best and Worst Years

The 2019 model is the most reliable with a 100% pass rate from 52 tests. The 1994 model has the lowest at 74%. With a 26 point spread, choosing the right year makes a big difference to reliability.

Reliability Trend

Newer BMW 840s show better MOT pass rates than older ones, with an average improvement of 13 percentage points.

Mileage Across Years

The oldest model in our data (1994) averages 110,577 miles, while the newest (2019) averages 42,498 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.