LEXUS RX 400H SR AUTO (2008)
Running costs, reliability data, and common problems from 59 real MOT tests.
Annual Cost
£2,757
£230/month
MOT Pass Rate
88%
Good
Road Tax
£760
Based on CC/year
Insurance
Grp 35-50
3311cc Petrol
Solid Option
88% pass rate, £2757/year to run. 6 points above average.
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Annual Running Costs
~30 mpg
Based on 3311cc
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
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 18 years old, 88% of LEXUS RX 400H SR AUTOs from 2008 passed their MOT first time in 2026. That's based on 59 tests across the UK. The average mileage at this age is 155,819 miles.
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How Does It Compare?
Mileage Analysis
155,819
Average miles
133,200
Expected for age
The average 2008 LEXUS RX 400H SR AUTO has 155,819 miles on the clock, which is in line with the expected 133,200 miles for a 18-year-old car, suggesting normal everyday use.
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About the 2008 LEXUS RX 400H SR AUTO
The 2008 LEXUS RX 400H SR AUTO is a premium performance with a 3311cc petrol engine. 59 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 13% of all 2008 cars for reliability.
With an average of 155,819 miles at 18 years old, LEXUS RX 400H SR AUTO owners drive about as much as the UK average.
2008 LEXUS RX 400H SR AUTO Fuel Costs
The 3311cc 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 2008 LEXUS RX 400H SR AUTO?
Total estimated annual running cost is £2,757 (£230/month), broken down as £1592 fuel, £760 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
Based on the 2008 LEXUS RX 400H SR AUTO's fuel type, age, and engine size, these are the most likely problem areas to check.
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 annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| LEXUS RX 400H SR AUTO(2008) | 88% | £1592 | £760 | Grp 35-50 | £2757 |
| LEXUS RX450H(2010) | 86% | £1592 | £250 | Grp 35-50 | £2247-£510 |
| LEXUS RX400H(2007) | 80% | £1592 | £250 | Grp 35-50 | £2247-£510 |
| TOYOTA ALPHARD(2007) | 86% | £1592 | £250 | Grp 30-42 | £2247-£510 |
| LEXUS GS450H(2007) | 84% | £1592 | £250 | Grp 35-50 | £2247-£510 |
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.
Related Lexus Models
Explore other Lexus cars or similar models in the same category.
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LEXUS CT
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LEXUS RX450H
2010 · 3450cc Petrol
LEXUS RX400H
2007 · 3311cc Petrol
TOYOTA ALPHARD
2007 · 2995cc Petrol
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