How much does a 2004 BMW UNCLASSIFIED cost to run?

Estimated annual running cost is £2,427 (£202/month), including £1592 fuel, £430 road tax, £55 MOT, and £350 predicted repairs.

What is the MOT pass rate for a 2004 BMW UNCLASSIFIED?

The 2004 BMW UNCLASSIFIED has a 82% MOT pass rate based on 34 tests in 2026. This ranks 109 out of 491 cars from 2004.

Which year BMW UNCLASSIFIED is most reliable?

The 2014 BMW UNCLASSIFIED has the highest MOT pass rate at 94%. The least reliable year is 2009 at 72%.

What is the average mileage for a 2004 BMW UNCLASSIFIED?

The average mileage for a 2004 BMW UNCLASSIFIED is 138,790 miles, which is in line with the expected 162,800 miles for a 22-year-old car, suggesting normal everyday use.

BMW UNCLASSIFIED (2004)

Q: Is the 2004 BMW UNCLASSIFIED reliable?

Good reliability. Occasional issues but generally solid. 82% of BMW UNCLASSIFIEDs from 2004 passed their MOT first time in 2026, based on 34 tests. That's 0 points above the national average of 82%.

Running costs, reliability data, and common problems from 34 real MOT tests.

Annual Cost

£2,427

£202/month

MOT Pass Rate

82%

Good

Road Tax

£430

Based on CC/year

Insurance

Grp 25-38

2171cc Petrol

Solid Option

82% pass rate, £2427/year to run. Close to the national average.

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Petrol2171cc22 years old34 tests139k miles avg

Annual Running Costs

Fuel (Petrol, 2171cc)

~30 mpg

£1,592

Road Tax

Based on 2171cc

£430

MOT Test

£55

Predicted Repairs

£350

Total per year£2,427

Per month£202/mo

Per week£47/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

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Reliability Verdict

82% MOT pass rate(Good)

0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the BMW brand average of 88%.

At 22 years old, 82% of BMW UNCLASSIFIEDs from 2004 passed their MOT first time in 2026. That's based on 34 tests across the UK. The average mileage at this age is 138,790 miles.

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How Does It Compare?

Rank among 2004 cars109th of 491(top 22%)

Rank among BMW models1293th of 1,564(top 83%)

vs national average+0%(82% avg)

vs 2004 cars average+10%(72% avg)

vs BMW average-6%(88% avg)

Mileage Analysis

138,790

Average miles

162,800

Expected for age

The average 2004 BMW UNCLASSIFIED has 138,790 miles on the clock, which is in line with the expected 162,800 miles for a 22-year-old car, suggesting normal everyday use.

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Best Year to Buy?

The most reliable year is the 2014 model with a 94% MOT pass rate, while the 2009 model has the lowest at 72%. The 2004 sits between the two at 82%.

BMW UNCLASSIFIED by Year

Year	Pass Rate	Tests	Avg Mileage
2018	87%	30	47,079 mi
2015	91%	68	53,678 mi
2014	94%	115	55,869 mi
2013	90%	178	76,736 mi
2012	86%	230	92,461 mi
2011	83%	138	94,720 mi
2010	81%	140	120,986 mi
2009	72%	174	112,065 mi
2008	81%	118	108,372 mi
2007	80%	168	130,862 mi
2006	84%	155	143,565 mi
2005	86%	66	133,725 mi
2004	82%	34	138,790 mi
2003	100%	31	86,305 mi
2002	76%	37	119,740 mi
2000	100%	44	97,540 mi

Similar Cars to Consider

BMW 3 SERIES

2006 · 1796cc Petrol

£1,867/year

80%

-2%

RENAULT CLIO

2006 · 1998cc Petrol

£2,217/year

68%

-14%

AUDI A4

2006 · 1781cc Petrol

£2,017/year

76%

-6%

MERCEDES C

2006 · 1796cc Petrol

£2,017/year

74%

-8%

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About the 2004 BMW UNCLASSIFIED

The 2004 BMW UNCLASSIFIED is a premium with a 2171cc petrol engine. 34 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 22% of all 2004 cars for reliability.

With an average of 138,790 miles at 22 years old, BMW UNCLASSIFIED owners drive about as much as the UK average.

2004 BMW UNCLASSIFIED Fuel Costs

The 2171cc petrol engine offers a reasonable balance between performance and economy. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2004 BMW UNCLASSIFIED?

Total estimated annual running cost is £2,427 (£202/month), broken down as £1592 fuel, £430 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 UNCLASSIFIED Reliability Trend

Newer BMW UNCLASSIFIEDs show better MOT pass rates than older ones, with an average improvement of 7 percentage points.

Buying a Used 2004 BMW UNCLASSIFIED

At 22 years old, the BMW UNCLASSIFIED 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 2014 model has the highest pass rate at 94%. Note: with only 34 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2004 BMW UNCLASSIFIED's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 22 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.

Oil Consumption

Medium risk

Larger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.

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 139k 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.

Engine Mounts

Medium risk

Worn engine mounts cause excessive vibration and movement. Replacement costs £150-£400 per mount. Check for vibration at idle with the bonnet open.

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 2004 BMW UNCLASSIFIED stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
BMW UNCLASSIFIED(2004)	82%	£1592	£430	Grp 25-38	£2427
BMW 3 SERIES(2006)	80%	£1327	£135	Grp 18-32	£1867-£560
RENAULT CLIO(2006)	68%	£1327	£135	Grp 18-32	£2217-£210
AUDI A4(2006)	76%	£1327	£135	Grp 18-32	£2017-£410
MERCEDES C(2006)	74%	£1327	£135	Grp 18-32	£2017-£410

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.