Hummer H2 (2004)

Estimated running costs and MOT pass rates from 63 MOT tests in 2024.

Annual Cost

£3,153

£263/month

MOT Pass Rate

89%

Good

Road Tax

£790

Estimated/year

Est. Insurance

Grp 35-50

6000cc Petrol

Solid Option

89% pass rate, £3,153/year to run. 7 points above average.

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Petrol6000cc22 years old63 tests65k miles avg

Annual Running Costs

Fuel (Petrol, 6000cc)

~30 mpg

£1,958

Road Tax

Estimated CO2 band

£790

MOT Test

£55

Predicted Repairs

£350

Total per year£3,153

Per month£263/mo

Per week£61/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

89% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's 7 points above the average of 82% across all models in our data.

89% of MOT tests on Hummer H2s from 2004 ended in a pass in 2024, when they were about 20 years old. That's based on 63 tests across the UK, retests included. The average mileage recorded at those tests was 64,612 miles.

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How Does It Compare?

Rank among 2004 models42nd of 470(top 9%)

Rank among Hummer models6th of 9(bottom half)

vs average of all models+7%(82% avg)

vs 2004 models average+17%(72% avg)

vs Hummer average-1%(90% avg)

Mileage Analysis

64,612

Average miles

148,000

Expected for age

The average 2004 Hummer H2 had 64,612 miles on the clock at its 2024 MOT, which is significantly below the expected 148,000 miles for a 20-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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Hummer H2 by Year

Year	Pass Rate	Tests	Avg Mileage
2008	96%	68	84,797 mi
2006	97%	76	52,269 mi
2005	93%	87	65,825 mi
2004	89%	63	64,612 mi
2003	92%	100	73,971 mi

Similar Cars to Consider

Mercedes SL

2004 · 5513cc Petrol

£3,153/year

88%

-1%

Bentley Continental

2006 · 5998cc Petrol

£3,003/year

92%

+3%

Aston Martin DB9

2005 · 5935cc Petrol

£3,003/year

93%

+4%

Aston Martin DB7

2002 · 5935cc Petrol

£3,003/year

92%

+3%

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About the 2004 Hummer H2

The 2004 Hummer H2 is a large-engined car. Our records list a 6000cc petrol engine, though engines vary between versions. 63 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 9% of all 2004 models for MOT pass rate.

With an average of 64,612 miles recorded at its 2024 MOT tests, Hummer H2 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.

2004 Hummer H2 Fuel Costs

The 6000cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,958 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 2004 Hummer H2?

Total estimated annual running cost is £3,153 (£263/month), broken down as £1,958 fuel, £790 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2004 Hummer H2

At 22 years old, the Hummer H2 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. Note: with only 63 tests in our data, these figures should be treated as indicative rather than definitive.

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 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.

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 Hummer H2 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
Hummer H2(2004)	89%	£1,958	£790	Grp 35-50	£3,153
Mercedes SL(2004)	88%	£1,958	£790	Grp 35-50	£3,153same
Bentley Continental(2006)	92%	£1,958	£790	Grp 35-50	£3,003-£150
Aston Martin DB9(2005)	93%	£1,958	£790	Grp 35-50	£3,003-£150
Aston Martin DB7(2002)	92%	£1,958	£790	Grp 35-50	£3,003-£150

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 Hummer H2

Is the 2004 Hummer H2 reliable?

Good reliability. Occasional issues but generally solid. 89% of MOT tests on 2004 Hummer H2s ended in a pass, from 63 tests (DVSA MOT data for tests in 2024, retests included). That's 7 points above the average of 82% across all models in the same data.

How much does a 2004 Hummer H2 cost to run?

Our estimate is £3,153 a year (£263 a month): £1,958 fuel, £790 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 2004 Hummer H2?

89% of 63 MOT tests on the 2004 Hummer H2 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 42nd of 470 models first registered in 2004 (top 9%).

What is the average mileage for a 2004 Hummer H2?

The average mileage recorded at MOT tests on the 2004 Hummer H2 is 64,612 miles, which is significantly below the expected 148,000 miles for a 20-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.