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Lexus GS Common Problems, Faults & Repair Costs (2026)

Based on official DVSA MOT test data. View the most common MOT failure categories, pass rates, and estimated repair costs for the Lexus GS (2005–2020).

MOT Pass Rate

83.8%1.8% above national avg (82%)

Reliability rating: Good — based on approx. 5,000 tests

Dangerous Defects

1.40%

Moderate risk

Retest Rate

11.0%

of failed tests need a retest

Top MOT Failure Categories

1

Lamps, reflectors and electrical equipment

Est. repair: £40–£200

14.0%
2

Suspension

Est. repair: £120–£450

12.5%
3

Brakes

Est. repair: £100–£350

10.5%
4

Tyres

Est. repair: £50–£120 per tyre

9.2%
5

Exhaust, fuel and emissions

Est. repair: £40–£200

7.0%

Where Faults Occur

29.0%

Front

27.0%

Rear

20.0%

Offside

Mileage Benchmarks

At 3 years

24,000 mi

At 5 years

40,000 mi

At 10 years

78,000 mi

Significantly higher or lower mileage than these benchmarks may indicate unusual usage patterns. Check the full MOT history for mileage consistency.

Is a Lexus GS a Good Buy?

The Lexus GS demonstrates above-average reliability based on MOT test data, with a 83.8% pass rate. This places it 1.8% above the national average, suggesting lower ongoing maintenance costs compared to many competitors.

While no car is without faults, lamps, reflectors and electrical equipment issues are the most common concern, affecting approximately 14.0% of failed tests. These tend to be relatively affordable to fix at £30–£150.

Lexus GS MOT Check & History

View detailed MOT pass rates by year, mileage benchmarks, and full test history data for the Lexus GS.

View Lexus GS MOT Data

Check a Specific Lexus GS

Enter a registration number to view the full MOT history for any Lexus GS.

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Other Lexus Models

Lexus IS

85.5%

Lamps, reflectors and electrical equipment →

Lexus NX

87.8%

Lamps, reflectors and electrical equipment →

Lexus RX

86.5%

Lamps, reflectors and electrical equipment →

Lexus CT

87.2%

Lamps, reflectors and electrical equipment →

Lexus UX

88.5%

Lamps, reflectors and electrical equipment →

Lexus ES

87.0%

Lamps, reflectors and electrical equipment →

View all Lexus models

Frequently Asked Questions

What are the most common MOT faults on a Lexus GS?
The top MOT failure on the Lexus GS is Lamps, reflectors and electrical equipment, accounting for approximately 14.0% of all failures. Other common issues include suspension and brakes.
What is the Lexus GS MOT pass rate?
The Lexus GS has an estimated MOT pass rate of 83.8%, which is 1.8% above the national average of 82%. This rates the Lexus GS as "Good" for MOT reliability.
Is the Lexus GS reliable?
Based on DVSA MOT data, the Lexus GS has a good reliability record with a 83.8% pass rate. It has a dangerous defect rate of 1.40% and a retest rate of 11.0%.
How much does it cost to fix common Lexus GS MOT failures?
Typical repair costs for Lexus GS MOT failures range from £30–£200 for lamps, reflectors and electrical equipment issues to £120–£450 for suspension problems. Prices are estimates based on typical UK independent garage rates.
What mileage should a Lexus GS have?
Based on MOT test data, the average Lexus GS covers approximately 24,000 mi by 3 years, 40,000 mi by 5 years, and 78,000 mi by 10 years. Significantly higher or lower mileage may warrant closer inspection.
Should I buy a used Lexus GS?
The Lexus GS is generally a solid choice based on MOT data. Check the full MOT history of any specific vehicle before purchasing, paying particular attention to lamps, reflectors and electrical equipment issues and mileage consistency.
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