LEXUS LS430 (2003)
Running costs, common problems, and reliability data based on 304 real MOT tests in 2024.
MOT Pass Rate
88%
Total Tests (2024)
304
Avg Mileage
130,739 mi
Est. Annual Cost
£2,247
Is the 2003 LEXUS LS430 reliable?
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 21 years old, 88% of LEXUS LS430s from 2003 passed their MOT first time in 2024. That's based on 304 tests across the UK. The average mileage at this age is 130,739 miles.
How does the 2003 LEXUS LS430 compare?
Mileage Analysis
The average 2003 LEXUS LS430 has 130,739 miles on the clock, which is in line with the expected 155,400 miles for a 21-year-old car, suggesting normal everyday use.
How much does a 2003 LEXUS LS430 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
LEXUS LS430 by Year
Checking a specific LEXUS LS430?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2003 LEXUS LS430
The 2003 LEXUS LS430 is a premium performance with a 4293cc petrol engine. 304 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 7% of all 2003 cars for reliability.
With an average of 130,739 miles at 21 years old, LEXUS LS430 owners drive about as much as the UK average.
2003 LEXUS LS430 Fuel Costs
The 4293cc 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 2003 LEXUS LS430?
Total estimated annual running cost is £2,247 (£187/month), broken down as £1592 fuel, £250 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.
LEXUS LS430 Reliability Trend
The LEXUS LS430 has maintained consistent MOT pass rates across model years, varying by only 0 percentage points.
Buying a Used 2003 LEXUS LS430
At 21 years old, the LEXUS LS430 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.
Alternatives to the 2003 LEXUS LS430
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- LAND ROVER RANGE ROVER SPORT (2005) 82% pass rate (-6%) from 8,058 tests
- PORSCHE 911 (2005) 90% pass rate (+2%) from 5,986 tests
- LAND ROVER RANGE ROVER (2003) 77% pass rate (-11%) from 4,923 tests
- ROVER 75 (2004) 69% pass rate (-19%) from 4,012 tests