BMW 3 Series (1991)

Estimated running costs and MOT pass rates from 1,861 MOT tests in 2024.

Annual Cost

£2,411

£201/month

MOT Pass Rate

82%

Good

Road Tax

£375

Estimated/year

Est. Insurance

Grp 18-32

1796cc Petrol

Solid Option

82% pass rate, £2,411/year to run. Close to the average across all models.

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Petrol1796cc35 years old1,861 tests119k miles avg

Annual Running Costs

Fuel (Petrol, 1796cc)

~36 mpg

£1,631

Road Tax

Pre-2001 engine size rate

£375

MOT Test

£55

Predicted Repairs

£350

Total per year£2,411

Per month£201/mo

Per week£46/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p 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

82% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data. It falls below the BMW brand average of 88%.

82% of MOT tests on BMW 3 Seriess from 1991 ended in a pass in 2024, when they were about 33 years old. That's based on 1,861 tests across the UK, retests included. The average mileage recorded at those tests was 119,331 miles.

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How Does It Compare?

Rank among 1991 models75th of 172(top half)

Rank among BMW models1246th of 1,548(bottom 20%)

vs average of all models+0%(82% avg)

vs 1991 models average+3%(79% avg)

vs BMW average-6%(88% avg)

Mileage Analysis

119,331

Average miles

244,200

Expected for age

The average 1991 BMW 3 Series had 119,331 miles on the clock at its 2024 MOT, which is significantly below the expected 244,200 miles for a 33-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

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Best Year to Buy?

Of the years with at least 100 tests, the 2021 model has the highest MOT pass rate at 93%, while the 2000 model has the lowest at 77%. The 1991 scores 82%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

BMW 3 Series by Year

Year	Pass Rate	Tests	Avg Mileage
2021	93%	908	28,473 mi
2020	91%	7,526	41,101 mi
2019	91%	27,338	48,949 mi
2018	91%	19,475	56,573 mi
2017	90%	8,077	67,957 mi
2016	90%	48,559	80,506 mi
2015	88%	61,659	89,425 mi
2014	87%	63,059	101,192 mi
2013	85%	71,326	106,062 mi
2012	82%	68,955	111,893 mi
2011	81%	57,568	119,984 mi
2010	80%	52,791	122,709 mi
2009	80%	49,275	121,100 mi
2008	80%	48,705	125,171 mi
2007	80%	55,686	130,265 mi
2006	80%	40,353	136,490 mi
2005	78%	24,924	133,038 mi
2004	78%	18,555	124,569 mi
2003	78%	19,201	122,025 mi
2002	79%	14,796	121,727 mi
2001	77%	9,406	117,601 mi
2000	77%	4,799	114,997 mi
1999	78%	7,815	113,190 mi
1998	79%	6,287	122,358 mi
1997	79%	4,853	120,261 mi
1996	82%	3,215	116,915 mi
1995	80%	2,059	114,256 mi
1994	78%	1,263	115,103 mi
1993	82%	1,173	110,323 mi
1992	84%	1,309	110,038 mi
1991	82%	1,861	119,331 mi
1990	84%	3,316	122,194 mi

Similar Cars to Consider

Volkswagen Golf

1991 · 1781cc Petrol

£2,411/year

80%

-2%

Ford Escort

1990 · 1597cc Petrol

£2,178/year

85%

+3%

Rover Mini

1992 · 1300cc Petrol

£2,183/year

76%

-6%

Peugeot 205

1990 · 1360cc Petrol

£2,033/year

80%

-2%

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About the 1991 BMW 3 Series

The 1991 BMW 3 Series is a premium car. Our records list a 1796cc petrol engine, though engines vary between versions. 1,861 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 1991, the average MOT pass rate is 79%, and this model beats that benchmark.

With an average of 119,331 miles recorded at its 2024 MOT tests, BMW 3 Series owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.

1991 BMW 3 Series Fuel Costs

The 1796cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,631 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).

What does it cost to own a 1991 BMW 3 Series?

Total estimated annual running cost is £2,411 (£201/month), broken down as £1,631 fuel, £375 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 82% pass rate. Keeping on top of servicing will help avoid surprises.

BMW 3 Series Reliability Trend

Newer BMW 3 Seriess pass their MOT more often than older ones, by 6 percentage points on average, which is mostly down to age and wear.

Buying a Used 1991 BMW 3 Series

At 35 years old, the BMW 3 Series 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 2021 model has the highest pass rate at 93%.

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.

Timing Chain / Belt

Watch out

At 35 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.

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.

Clutch Wear

Watch out

With an average of 119k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

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 1991 BMW 3 Series 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 3 Series(1991)	82%	£1,631	£375	Grp 18-32	£2,411
Volkswagen Golf(1991)	80%	£1,631	£375	Grp 18-32	£2,411same
Ford Escort(1990)	85%	£1,398	£375	Grp 12-25	£2,178-£233
Rover Mini(1992)	76%	£1,398	£230	Grp 8-20	£2,183-£228
Peugeot 205(1990)	80%	£1,398	£230	Grp 8-20	£2,033-£378

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 1991 BMW 3 Series

Is the 1991 BMW 3 Series reliable?

Good reliability. Occasional issues but generally solid. 82% of MOT tests on 1991 BMW 3 Seriess ended in a pass, from 1,861 tests (DVSA MOT data for tests in 2024, retests included). That's level with the average of 82% across all models in the same data.

How much does a 1991 BMW 3 Series cost to run?

Our estimate is £2,411 a year (£201 a month): £1,631 fuel, £375 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 1991 BMW 3 Series?

82% of 1,861 MOT tests on the 1991 BMW 3 Series ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 75th of 172 models first registered in 1991 (top half).

Which year BMW 3 Series has the best MOT pass rate?

Of the years with at least 100 tests, the 2021 BMW 3 Series has the highest MOT pass rate at 93% and the 2000 the lowest at 77%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 1991 BMW 3 Series?

The average mileage recorded at MOT tests on the 1991 BMW 3 Series is 119,331 miles, which is significantly below the expected 244,200 miles for a 33-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.