2025 Lexus GX — Full Specifications
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The 2025 Lexus GX is an SUV powered by a 3.4L 6-cyl turbo premium gasoline engine. It returns around 20 mpg (UK) / 17 mpg (US EPA) combined. Owners often keep a Lexus GX workshop manual to hand for servicing and repairs.
Compared with the 2024 Lexus GX: Fuel economy is essentially unchanged at around 20 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine | 3.4L 6-cyl turbo |
|---|---|
| Transmission | Automatic (S10) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | 4-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 20 combined / 18 urban / 25 extra-urban mpg |
| Fuel Economy (US EPA) | 17 combined / 15 city / 21 highway mpg |
| CO₂ Emissions | 314 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,850 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2025 Lexus GX, all with the 3.4L 6-cyl turbo engine. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 3.4L 6-cyl turbo | Automatic (S10) | 4-Wheel Drive | 20 | 17 (15/21) | 314 | $4,850 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2025 Lexus GX
Running Costs: 2025 Lexus GX
Covering around 8,000 miles a year in a 2025 Lexus GX at 20 mpg combined, expect roughly 1,818 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,850 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2025 Lexus GX Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists no safety recall campaigns for the 2025 Lexus GX as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
Owners have filed 13 complaints with NHTSA about the 2025 Lexus GX. The most-reported areas are Structure (4), Service brakes (2), Unspecified (2).
Used-buyer checklist for the 2025 Lexus GX
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Body structure (4 owner complaints) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
- Brakes (2 owner complaints) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Engine (2 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the Lexus GX compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 20 mpg figure is 7 mpg below that average. Its 314 g/km CO₂ figure is 61 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Lexus models in our database average about 28 mpg (UK) combined on their most efficient configuration; the 2025 Lexus GX's 20 mpg is 8 mpg below that make average. Its 314 g/km CO₂ figure is 62 g/km higher than the 252 g/km Lexus average.
Of the 17 Lexus GX model years we cover, the 2025 is the most economical on its best configuration (20 mpg UK combined). See every Lexus GX year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2025 Lexus GX
Frequently Asked Questions
What engine does the 2025 Lexus GX have?
It's fitted with a 3.4L 6-cyl turbo premium gasoline engine, paired with a automatic (s10) transmission.
What is the fuel economy of the 2025 Lexus GX?
The most efficient configuration returns around 20 mpg (UK) combined, or 17 mpg on the US EPA cycle.
How much does the 2025 Lexus GX cost to fuel per year?
The US EPA estimates about $4,850 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2025 Lexus GX have any recalls?
NHTSA lists no safety recall campaigns for the 2025 Lexus GX as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
What are the most common problems reported for the 2025 Lexus GX?
Among the 13 owner complaints filed with NHTSA, the most-reported areas are Structure (4 complaints), Service brakes (2 complaints), Unspecified (2 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Lexus GX's fuel economy good for an SUV?
It returns around 20 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.