Lexus GS reliability, MPG and running costs
Figures updated
The Lexus GS is a car. In 2024 MOT tests it scored 231 for reliability (100 is average), ranking 13 of 442, and 12.5% failed first time against a UK average of 28.5%. Its most common MOT failure is condition (1.5% of tests).
Ranked 13 of 442 cars in the 2024 MOT Reliability League
In 2024, 3,488 Lexus GSes aged 3 to 20 had an MOT and 12.5% failed first time (UK average 28.5%). Taking age and mileage into account, the Lexus GS is 57% less likely to fail than the average car of the same age and mileage.
First-time fail rate
12.5%
UK 28.5%
Fail rate at 3 years
–
UK 12.7%
Average miles a year
8,600
Typical age at test: 9 years
Lexus GS MOT failure rate by age
Most common Lexus GS MOT faults
- Condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.5% of tests
- Condition: has ply or cords exposed1.5% of tests
- Tread depth: tread depth below requirements of 1.6mm1.5% of tests
- Brake pads: less than 1.5 mm thick1.4% of tests
- Wipers: does not clear the windscreen effectively1.2% of tests
- Tyre pressure monitoring system: malfunctioning or obviously inoperative1.1% of tests
What the Lexus GS fails on
| Area | Tests failing | vs similar cars |
|---|---|---|
| Tyres | 5.9% | ▼ 12% less often |
| Brakes | 2.8% | ▼ 57% less often |
| Lights and electrics | 2.7% | ▼ 75% less often |
| Visibility | 1.8% | ▼ 58% less often |
| Suspension | 0.8% | ▼ 91% less often |
| Body and structure | 0.4% | ▼ 86% less often |
| Wheels | 0.3% | ▼ 35% less often |
| Exhaust and emissions | 0.1% | ▼ 95% less often |
| Steering | 0.1% | ▼ 94% less often |
| Seat belts and airbags | 0.1% | ▼ 85% less often |
What MPG does the Lexus GS do?
Official economy for the Lexus GS ranges from 23 to 46.3mpg across the 14 versions listed by the Vehicle Certification Agency (2004–2018). A typical petrol version manages 25.2mpg. Expect 10–15% less in real-world driving.
Work out a journey's fuel costHow much is road tax on a Lexus GS?
Any Lexus GS first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Lexus GS registered between March 2001 and March 2017 is taxed on its CO2: £445 to £790 a year.
Work out tax for a specific carLexus GS specs and running costs
Official figures for 14 versions sold in the UK between 2004 and 2018.
Fuel types
Hybrid, Petrol
Official economy
23.0–46.3 mpg
CO2
141–296 g/km
| Version | Fuel | Economy | CO2 | Car tax |
|---|---|---|---|---|
| GS F, MY2016 GS F6AT · listed 2018 | Petrol | 25.2 mpg | 260g | £200 |
| GS MY2012 GS450h 18 inch wheelsE-CVT · listed 2012 | Hybrid | 46.3 mpg | 141g | £225 |
| GS MY2012 GS450h 19 inch wheelsE-CVT · listed 2012 | Hybrid | 45.6 mpg | 145g | £225 |
| GS MY2012 GS250A6 · listed 2012 | Petrol | 31.7 mpg | 207g | £445 |
| GS GS450hE-CVT · listed 2010 | Hybrid | 35.8 mpg | 185g | £360 |
| GS GS450h 17" wheelsE-CVT · listed 2010 | Hybrid | 37.2 mpg | 179g | £360 |
| GS GS450h 18" wheelsE-CVT · listed 2010 | Hybrid | 37.2 mpg | 180g | £360 |
| GS GS450h (05)E-CVT · listed 2008 | Hybrid | 35.8 mpg | 186g | £410 |
| GS GS450h (08)E-CVT · listed 2008 | Hybrid | 35.8 mpg | 185g | £360 |
| GS GS300A6 · listed 2008 | Petrol | 28.8 mpg | 232g | £760 |
| GS GS460hA6 · listed 2008 | Petrol | 25.7 mpg | 258g | £790 |
| GS GS430A6 · listed 2007 | Petrol | 24.8 mpg | 269g | £790 |
| GS GS430A5 · listed 2004 | Petrol | 23 mpg | 296g | £445 |
| GS GS300A5 · listed 2004 | Petrol | 24.4 mpg | 281g | £445 |
Economy and CO2 are official NEDC (before 2018) or WLTP figures. Car tax is the yearly rate at current rates for a car first registered in the year listed, before any expensive car supplement.
What a Lexus GS costs to fuel
- petrol, typical official 25.2mpg…
Official figures are usually 10–15% better than real-world driving.
Work out a journey in a Lexus GSBuying a used Lexus GS?
Check the MOT history of the exact car: every result, advisory and mileage reading, free.
Other Lexus models
Frequently asked questions
›Is the Lexus GS reliable?
Its MOT record is better than average: the Lexus GS is 57% less likely to fail than the average car of the same age and mileage, with a reliability score of 231 in our 2024 league (100 is average).
›What are common problems with the Lexus GS?
The most common MOT fault is “Condition: has a cut in excess of the requirements deep enough to reach the ply or cords”, found in 1.5% of tests.
›What MPG does the Lexus GS do?
Official economy for the Lexus GS ranges from 23 to 46.3mpg across the 14 versions listed by the Vehicle Certification Agency (2004–2018). A typical petrol version manages 25.2mpg. Expect 10–15% less in real-world driving.
›How much is road tax on a Lexus GS?
Any Lexus GS first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Lexus GS registered between March 2001 and March 2017 is taxed on its CO2: £445 to £790 a year.
›How many Lexus GSes fail their MOT?
12.5% of Lexus GSes aged 3 to 20 failed their MOT first time in 2024.
Sources: DVSA anonymised MOT tests 2024, all versions of the Lexus GS combined (Open Government Licence v3.0); official economy and CO2 from Vehicle Certification Agency data, © Crown copyright. VCA cannot accept liability for its accuracy. How we calculate the league.