How much does a 2004 LEXUS RX300 cost to run?

Estimated annual running cost is £2,577 (£215/month), including £1592 fuel, £430 road tax, £55 MOT, and £500 predicted repairs.

What is the MOT pass rate for a 2004 LEXUS RX300?

The 2004 LEXUS RX300 has a 79% MOT pass rate based on 2,255 tests in 2026. This ranks 133 out of 491 cars from 2004.

Which year LEXUS RX300 is most reliable?

The 2006 LEXUS RX300 has the highest MOT pass rate at 81%. The least reliable year is 2002 at 67%.

LEXUS RX300 (2004)

Q: Is the 2004 LEXUS RX300 reliable?

Average reliability. Expect some repairs as it ages. 79% of LEXUS RX300s from 2004 passed their MOT first time in 2026, based on 2,255 tests. That's 3 points below the national average of 82%.

Q: What is the average mileage for a 2004 LEXUS RX300?

The average mileage for a 2004 LEXUS RX300 is 124,237 miles, which is below the expected 162,800 miles for a 22-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 2,255 real MOT tests.

Annual Cost

£2,577

£215/month

MOT Pass Rate

79%

Average

Road Tax

£430

Based on CC/year

Insurance

Grp 30-42

2995cc Petrol

Check Carefully

79% pass rate, £2577/year to run. Close to the national average.

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Petrol2995cc22 years old2,255 tests124k miles avg

Annual Running Costs

Fuel (Petrol, 2995cc)

~30 mpg

£1,592

Road Tax

Based on 2995cc

£430

MOT Test

£55

Predicted Repairs

£500

Total per year£2,577

Per month£215/mo

Per week£50/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

79% MOT pass rate(Average)

0%National avg: 82%100%

Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the LEXUS brand average of 87%.

At 22 years old, 79% of LEXUS RX300s from 2004 passed their MOT first time in 2026. That's based on 2,255 tests across the UK. The average mileage at this age is 124,237 miles.

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How Does It Compare?

Rank among 2004 cars133th of 491(top 27%)

Rank among LEXUS models253th of 301(top 84%)

vs national average-3%(82% avg)

vs 2004 cars average+7%(72% avg)

vs LEXUS average-8%(87% avg)

Mileage Analysis

124,237

Average miles

162,800

Expected for age

The average 2004 LEXUS RX300 has 124,237 miles on the clock, which is below the expected 162,800 miles for a 22-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2006 model with a 81% MOT pass rate, while the 2002 model has the lowest at 67%. The 2004 sits between the two at 79%.

LEXUS RX300 by Year

Year	Pass Rate	Tests	Avg Mileage
2006	81%	510	116,229 mi
2005	80%	1,934	117,423 mi
2004	79%	2,255	124,237 mi
2003	78%	967	124,379 mi
2002	67%	359	121,558 mi
2001	74%	217	119,150 mi
2000	66%	47	118,488 mi

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About the 2004 LEXUS RX300

The 2004 LEXUS RX300 is a premium performance with a 2995cc petrol engine. 2,255 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2004, the average MOT pass rate is 72%, and this model beats that benchmark.

With an average of 124,237 miles at 22 years old, LEXUS RX300 owners tend to use this car less than the typical driver.

2004 LEXUS RX300 Fuel Costs

The 2995cc 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 £1,592 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 LEXUS RX300?

Total estimated annual running cost is £2,577 (£215/month), broken down as £1592 fuel, £430 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 79% pass rate. Keeping on top of servicing will help avoid surprises.

LEXUS RX300 Reliability Trend

Newer LEXUS RX300s show better MOT pass rates than older ones, with an average improvement of 7 percentage points.

Buying a Used 2004 LEXUS RX300

At 22 years old, the LEXUS RX300 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 2006 model has the highest pass rate at 81%.

Common Issues to Watch For

Based on the 2004 LEXUS RX300's fuel type, age, and engine size, these are the most likely problem areas to check.

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.