Is the Bmw 730 reliable?

The Bmw 730 has an average MOT pass rate of 86% across 25 years, based on 21,980 tests in 2026. That's 4 points above the national average of 82%. The most reliable year is 2021 with a 98% pass rate.

Which year Bmw 730 is best?

The 2021 Bmw 730 has the highest MOT pass rate at 98%, while the 1993 model has the lowest at 68%. There's a 30 percentage point spread between the best and worst years.

Bmw 730

Reliability, running costs, and MOT data across 25 years from 21,980 real MOT tests.

Avg Pass Rate

86%

Total Tests

21,980

Best Year

2021 (98%)

Years Covered

About the Bmw 730

The Bmw 730 has been tested 21,980 times in 2026 MOT data across 25 model years (1990 to 2021), with an average pass rate of 86%. That's slightly above the national average of 82%. Available as diesel and petrol.

Best and Worst Years

The 2021 model is the most reliable with a 98% pass rate from 243 tests. The 1993 model has the lowest at 68%. With a 30 point spread, choosing the right year makes a big difference to reliability.

Reliability Trend

Newer BMW 730s show better MOT pass rates than older ones, with an average improvement of 8 percentage points.

Mileage Across Years

The oldest model in our data (1990) averages 129,365 miles, while the newest (2021) averages 41,849 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Estimated Running Costs

Fuel (Diesel, 2993cc)

£1,245

Road Tax

£195

MOT Test

£55

Predicted Repairs

£200

Total per year£1,695

Per month£141/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Bmw 730?

vs national average+4% (82% avg)

vs Bmw brand average-2% (88% avg)

Best to worst year spread30 percentage points

Reliability trendImproving over years

Bmw 730 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2021	98%	243	41,849 mi
2020	95%	1,033	41,493 mi
2019	95%	1,966	55,627 mi
2018	95%	1,592	67,232 mi
2017	94%	1,696	76,335 mi
2016	91%	2,288	88,853 mi
2015	89%	1,345	91,832 mi
2014	89%	1,656	97,859 mi
2013	89%	875	110,696 mi
2012	88%	1,119	115,118 mi
2011	86%	1,467	119,035 mi
2010	89%	991	128,302 mi
2009	88%	806	130,274 mi
2008	82%	1,043	138,734 mi
2007	85%	927	142,639 mi
2006	81%	1,315	141,407 mi
2005	83%	694	150,286 mi
2004	83%	322	132,666 mi
2003	88%	277	139,746 mi
1995	70%	96	129,643 mi
1994	86%	70	106,349 mi
1993	68%	37	128,018 mi
1992	81%	31	126,198 mi
1991	76%	34	141,732 mi
1990	82%	57	129,365 mi