BMW X3 (2004)

Estimated running costs and MOT pass rates from 4,438 MOT tests in 2024.

Annual Cost

£2,227

£186/month

MOT Pass Rate

78%

Average

Road Tax

£275

Estimated/year

Est. Insurance

Grp 18-32

1995cc Diesel

Check Carefully

78% pass rate, £2,227/year to run. Close to the average across all models.

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Diesel1995cc22 years old4,438 tests124k miles avg

Annual Running Costs

Fuel (Diesel, 1995cc)

~48 mpg

£1,397

Road Tax

Estimated CO2 band

£275

MOT Test

£55

Predicted Repairs

£500

Total per year£2,227

Per month£186/mo

Per week£43/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p 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

78% MOT pass rate(Average)

0%All-model avg: 82%100%

Average reliability. Expect some repairs as it ages. That's close to the average of 82% across all models in our data. It falls below the BMW brand average of 88%.

78% of MOT tests on BMW X3s from 2004 ended in a pass in 2024, when they were about 20 years old. That's based on 4,438 tests across the UK, retests included. The average mileage recorded at those tests was 123,849 miles.

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How Does It Compare?

Rank among 2004 models141st of 470(top half)

Rank among BMW models1399th of 1,548(bottom 10%)

vs average of all models-4%(82% avg)

vs 2004 models average+6%(72% avg)

vs BMW average-10%(88% avg)

Mileage Analysis

123,849

Average miles

148,000

Expected for age

The average 2004 BMW X3 had 123,849 miles on the clock at its 2024 MOT, which is in line with the expected 148,000 miles for a 20-year-old car, suggesting normal everyday use.

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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 94%, while the 2005 model has the lowest at 76%. The 2004 scores 78%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

BMW X3 by Year

Year	Pass Rate	Tests	Avg Mileage
2021	94%	5,413	24,798 mi
2020	92%	13,187	33,638 mi
2019	92%	32,937	42,303 mi
2018	92%	17,186	49,536 mi
2017	89%	16,666	61,118 mi
2016	88%	18,166	70,153 mi
2015	87%	14,189	82,377 mi
2014	85%	12,226	91,766 mi
2013	84%	15,082	98,171 mi
2012	83%	14,378	104,808 mi
2011	84%	8,272	111,744 mi
2010	84%	1,786	113,992 mi
2009	83%	2,902	117,342 mi
2008	81%	3,247	120,389 mi
2007	78%	4,940	130,152 mi
2006	78%	6,611	135,824 mi
2005	76%	5,434	140,749 mi
2004	78%	4,438	123,849 mi

Similar Cars to Consider

Volkswagen Golf

2006 · 1896cc Diesel

£2,227/year

72%

-6%

Vauxhall Astra

2005 · 1598cc Diesel

£2,144/year

69%

-9%

Honda Civic

2006 · 2204cc Diesel

£2,641/year

71%

-7%

Audi A3

2006 · 1595cc Diesel

£1,944/year

73%

-5%

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About the 2004 BMW X3

The 2004 BMW X3 is a premium car. Our records list a 1995cc diesel engine, though engines vary between versions. 4,438 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2004, the average MOT pass rate is 72%, and this model beats that benchmark.

With an average of 123,849 miles recorded at its 2024 MOT tests, BMW X3 owners drive about as much as the UK average.

2004 BMW X3 Fuel Costs

The 1995cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,397 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2004 BMW X3?

Total estimated annual running cost is £2,227 (£186/month), broken down as £1,397 fuel, £275 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 78% pass rate. Keeping on top of servicing will help avoid surprises.

BMW X3 Reliability Trend

Newer BMW X3s pass their MOT more often than older ones, by 9 percentage points on average, which is mostly down to age and wear.

Buying a Used 2004 BMW X3

At 22 years old, the BMW X3 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 94%.

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.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

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 124k 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 X3 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 X3(2004)	78%	£1,397	£275	Grp 18-32	£2,227
Volkswagen Golf(2006)	72%	£1,397	£275	Grp 18-32	£2,227same
Vauxhall Astra(2005)	69%	£1,219	£170	Grp 12-25	£2,144-£83
Honda Civic(2006)	71%	£1,676	£410	Grp 25-38	£2,641+£414
Audi A3(2006)	73%	£1,219	£170	Grp 12-25	£1,944-£283

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 2004 BMW X3

Is the 2004 BMW X3 reliable?

Average reliability. Expect some repairs as it ages. 78% of MOT tests on 2004 BMW X3s ended in a pass, from 4,438 tests (DVSA MOT data for tests in 2024, retests included). That's 4 points below the average of 82% across all models in the same data.

How much does a 2004 BMW X3 cost to run?

Our estimate is £2,227 a year (£186 a month): £1,397 fuel, £275 road tax, £55 MOT and £500 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2004 BMW X3?

78% of 4,438 MOT tests on the 2004 BMW X3 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 141st of 470 models first registered in 2004 (top half).

Which year BMW X3 has the best MOT pass rate?

Of the years with at least 100 tests, the 2021 BMW X3 has the highest MOT pass rate at 94% and the 2005 the lowest at 76%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2004 BMW X3?

The average mileage recorded at MOT tests on the 2004 BMW X3 is 123,849 miles, which is in line with the expected 148,000 miles for a 20-year-old car, suggesting normal everyday use.