Carbon build-up on intake valves (direct injection)
usually 90,000–180,000 km · Medium risk
Signs: Rough idle, misfire when cold
Fix: Clean the intake valves (walnut blasting)
€300–700
Common faults, service intervals and costs
Lexus GS (L10)
2012–2020
3
engines covered
5
known faults
3,339
roadworthiness tests in the statistics
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
The Lexus GS (L10) was built from 2012 to 2020.
For this generation we cover 3 engines and 5 known faults, each with the mileage range where it usually appears.
The most expensive known risk is Hybrid battery ageing: it usually appears at 250,000–350,000 km and costs €1,500–3,500 to fix.
In UK roadworthiness tests in 2024, at 50–100 thousand km this model most often failed on: tyres and wheels (4.0 %), lights, wipers and visibility (3.4 %), brakes (1.6 %). It fails less often than average on: brakes, suspension, tyres and wheels, lights, wipers and visibility.
Engines
| Engine | Fuel | Timing drive | Oil |
|---|---|---|---|
| 2.5 V6 direct injection (Lexus IS 250 / GS 250, 4GR-FSE) | Petrol | Chain | 5W-30 / 0W-20 · API SN · ~6.3 L · every 15,000 km |
| 3.5 V6 Hybrid (Toyota / Lexus 2GR-FXE) | Hybrid | Chain | 0W-20 / 5W-30 · API SN · ~6.1 L · every 15,000 km |
| 2.0 / 2.5 Hybrid (M20A / A25A / 2AR) | Hybrid | Chain | 0W-16 / 0W-20 · API SN · ~4.5 L · every 15,000 km |
Faults by engine
2.5 V6 direct injection (Lexus IS 250 / GS 250, 4GR-FSE)
Water pump
usually 150,000–220,000 km · Wear part
Signs: Coolant weep
Fix: Replace pump
€250–450
3.5 V6 Hybrid (Toyota / Lexus 2GR-FXE)
Water pump
usually 150,000–220,000 km · Wear part
Signs: Coolant weep
Fix: Replace pump
€250–450
Hybrid battery ageing
usually 250,000–350,000 km · Medium risk
Signs: Fuel economy drops, battery warning
Fix: Recondition or replace
€1,500–3,500
2.0 / 2.5 Hybrid (M20A / A25A / 2AR)
12V auxiliary battery weak
usually 80,000–200,000 km · Wear part
Signs: Car won't go 'Ready' after standing
Fix: Replace 12V battery
€150–300
Hybrid battery ageing
usually 250,000–350,000 km · Medium risk
Signs: Reduced EV assist
Fix: Recondition or replace
€1,500–3,500
Gearboxes
Automatic (torque converter)
Torque converter / valve body
usually 150,000–250,000 km · Wear part
Signs: Delayed or harsh shifts
Fix: Fluid service, repair
€300–2,500
Scheduled service
Intervals and typical prices for the 2.5 V6 direct injection (Lexus IS 250 / GS 250, 4GR-FSE) engine. Other engines differ in oil, timing drive and some filters; the app gives the exact plan.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| Automatic transmission fluidTransmission | every 90,000 km | €200–450 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Timing chain inspection (listen on cold start)Engine | every 150,000 km | €0–120 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
Roadworthiness tests by mileage
Share of tests in the United Kingdom (DVSA MOT, 2024) that this model failed because of each system. Bold red means more often and green less often than an average car of the same age and mileage. Sample: 3,339 tests.
| thousand km | 50–100 | 100–150 | 150–200 |
|---|---|---|---|
| Brakes | 1.6 % | 3.4 % | 3.5 % |
| Suspension | 0.5 % | 0.5 % | 1.7 % |
| Steering | 0.0 % | 0.0 % | 0.4 % |
| Tyres and wheels | 4.0 % | 7.2 % | 6.8 % |
| Lights, wipers and visibility | 3.4 % | 3.9 % | 5.2 % |
| Body and corrosion | 0.2 % | 0.3 % | 0.2 % |
| Exhaust, emissions and leaks | 0.0 % | 0.0 % | 0.0 % |
Most common engine versions in the EU
New cars of this generation registered in the EU, Iceland and Norway 2010–2025: 11,611, of which 0 in Croatia. The share shows how common each version is.
| Version | Share | Years | CO₂ | Fuel use |
|---|---|---|---|---|
| 2.5 V6 direct injection (Lexus IS 250 / GS 250, 4GR-FSE)2.5 (2,494 cm³) · Petrol | 30.2 % | 2012–2017 | 109 g/km | — |
| 2.0 / 2.5 Hybrid (M20A / A25A / 2AR)2.5 (2,494 cm³) · 133 kW (181 hp) · Petrol | 22.6 % | 2013–2019 | 109 g/km | — |
| 3.5 V6 Hybrid (Toyota / Lexus 2GR-FXE)3.5 (3,456 cm³) · 215 kW (292 hp) · Petrol | 21.8 % | 2012–2019 | 142 g/km | — |
| 3.5 V6 Hybrid (Toyota / Lexus 2GR-FXE)3.5 (3,456 cm³) · Petrol | 9.8 % | 2012–2017 | 143 g/km | — |
| 2.5 V6 direct injection (Lexus IS 250 / GS 250, 4GR-FSE)2.5 (2,500 cm³) · 154 kW (209 hp) · Petrol | 4.2 % | 2012–2017 | 209 g/km | — |
| 2.0 / 2.5 Hybrid (M20A / A25A / 2AR)2.0 (1,998 cm³) · 180 kW (245 hp) · Petrol | 4.1 % | 2015–2019 | 183 g/km | — |
| 2.0 / 2.5 Hybrid (M20A / A25A / 2AR)2.0 (1,998 cm³) · 270 kW (367 hp) · Petrol | 1.6 % | 2017–2017 | 183 g/km | — |
| 3.5 V6 Hybrid (Toyota / Lexus 2GR-FXE)3.5 (3,456 cm³) · 233 kW (317 hp) · Petrol | 1.1 % | 2012–2014 | — | — |
Source: European Environment Agency (EEA), monitoring of CO₂ emissions from new passenger cars, CC BY 4.0. CO₂ and fuel use are official type-approval values (WLTP from 2021), not real-world consumption.
Common questions
Does the Lexus GS (L10) have a timing chain or a timing belt?
2.5 V6 direct injection (Lexus IS 250 / GS 250, 4GR-FSE): chain; 3.5 V6 Hybrid (Toyota / Lexus 2GR-FXE): chain; 2.0 / 2.5 Hybrid (M20A / A25A / 2AR): chain.
What are the known problems with the Lexus GS (L10)?
The faults with the highest risk: hybrid battery ageing (250,000–350,000 km, €1,500–3,500); carbon build-up on intake valves (direct injection) (90,000–180,000 km, €300–700). The full list by engine is on this page.
What does the Lexus GS (L10) most often fail its roadworthiness test on?
In UK roadworthiness tests in 2024, at 50–100 thousand km this model most often failed on: tyres and wheels (4.0 %), lights, wipers and visibility (3.4 %), brakes (1.6 %). It fails less often than average on: brakes, suspension, tyres and wheels, lights, wipers and visibility.
What should you check when buying a used Lexus GS (L10)?
Before you buy, ask an authorised dealer to check by VIN whether the car has any open recalls. On the test drive, watch for these signs: reduced EV assist; rough idle, misfire when cold. The full checklist is in the guide to buying a used car.
Other generations
Models with the same engines
These models share engines with this car, so they share some of its faults too.
Toyota RAV4 (XA50) 2018–Lexus RX 2003–Lexus NX 2014–Lexus IS (XE20) 2005–2013Lexus IS (XE30) 2013–Toyota Camry (XV70) 2019–Lexus UX 2018–Lexus ES (XZ10) 2018–
Other Lexus models
Lexus CT 200h 2011–2022Lexus RC 2014–Lexus LS (XF40) 2006–2017
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 08/10/2026