Lexus RX 400H SR Auto (2008)
Estimated running costs and MOT pass rates from 59 MOT tests in 2024.
Annual Cost
£3,153
£263/month
MOT Pass Rate
88%
Good
Road Tax
£790
Estimated/year
Est. Insurance
Grp 35-50
3311cc Hybrid
Solid Option
88% pass rate, £3,153/year to run. 6 points above average.
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Annual Running Costs
~30 mpg (petrol-engine estimate; hybrids usually use less)
Estimated CO2 band
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
Good reliability. Occasional issues but generally solid. That's 6 points above the average of 82% across all models in our data.
88% of MOT tests on Lexus RX 400H SR Autos from 2008 ended in a pass in 2024, when they were about 16 years old. That's based on 59 tests across the UK, retests included. The average mileage recorded at those tests was 155,819 miles.
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How Does It Compare?
Mileage Analysis
155,819
Average miles
118,400
Expected for age
The average 2008 Lexus RX 400H SR Auto had 155,819 miles on the clock at its 2024 MOT, which is above the expected 118,400 miles for a 16-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
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About the 2008 Lexus RX 400H SR Auto
The 2008 Lexus RX 400H SR Auto is a premium performance car. Our records list a 3311cc hybrid engine, though engines vary between versions. 59 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 14% of all 2008 models for MOT pass rate.
With an average of 155,819 miles recorded at its 2024 MOT tests, Lexus RX 400H SR Auto owners cover more miles than the average driver.
2008 Lexus RX 400H SR Auto Fuel Costs
The 3311cc hybrid engine is on the larger side, so fuel won't be this car's strong point. Our estimate uses around 30 mpg, the figure for a petrol engine of this size, 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). As a hybrid it should use less than that, and real-world fuel costs depend a lot on how much electric-only driving you do.
What does it cost to own a 2008 Lexus RX 400H SR Auto?
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 88% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2008 Lexus RX 400H SR Auto
At 18 years old, the Lexus RX 400H SR Auto 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 59 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.
Hybrid Battery Health
Watch outAfter 18 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.
Inverter and Power Electronics
Medium riskThe inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.
Regenerative Braking
Medium riskBrake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.
Rust and Corrosion
Watch outAt 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 outRubber 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 outWith an average of 156k 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 riskHigh-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 riskWorn 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 riskAlways 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 2008 Lexus RX 400H SR Auto 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 |
|---|---|---|---|---|---|
| Lexus RX 400H SR Auto(2008) | 88% | £1,958 | £790 | Grp 35-50 | £3,153 |
| Lexus RX450H(2010) | 86% | £1,958 | £790 | Grp 35-50 | £3,153same |
| Lexus RX400H(2007) | 80% | £1,958 | £790 | Grp 35-50 | £3,153same |
| Toyota Alphard(2007) | 86% | £1,958 | £445 | Grp 30-42 | £2,808-£345 |
| Lexus GS450H(2007) | 84% | £1,958 | £790 | Grp 35-50 | £3,153same |
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 2008 Lexus RX 400H SR Auto
Is the 2008 Lexus RX 400H SR Auto reliable?
Good reliability. Occasional issues but generally solid. 88% of MOT tests on 2008 Lexus RX 400H SR Autos ended in a pass, from 59 tests (DVSA MOT data for tests in 2024, retests included). That's 6 points above the average of 82% across all models in the same data.
How much does a 2008 Lexus RX 400H SR Auto 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 2008 Lexus RX 400H SR Auto?
88% of 59 MOT tests on the 2008 Lexus RX 400H SR Auto ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 74th of 566 models first registered in 2008 (top 14%).
What is the average mileage for a 2008 Lexus RX 400H SR Auto?
The average mileage recorded at MOT tests on the 2008 Lexus RX 400H SR Auto is 155,819 miles, which is above the expected 118,400 miles for a 16-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Related Lexus Models
Explore other Lexus cars or similar models in the same category.
Lexus NX
2021 · 2494cc Hybrid
Lexus UX
2021 · 1987cc Hybrid
Lexus CT
2012 · 1798cc Electric
Lexus RX450H
2010 · 3450cc Hybrid
Lexus RX400H
2007 · 3311cc Hybrid
Toyota Alphard
2007 · 2995cc Hybrid
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