2012 Lexus GX — Full Specifications
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The 2012 Lexus GX is an SUV powered by a 4.6L 8-cyl 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 2011 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 | 4.6L 8-cyl |
|---|---|
| Transmission | Automatic (S6) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | 4-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 20 combined / 18 urban / 24 extra-urban mpg |
| Fuel Economy (US EPA) | 17 combined / 15 city / 20 highway mpg |
| CO₂ Emissions | 325 g/km |
| EPA Est. Annual Fuel Cost | $4,850 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2012 Lexus GX, all with the 4.6L 8-cyl 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 |
|---|---|---|---|---|---|---|
| 4.6L 8-cyl | Automatic (S6) | 4-Wheel Drive | 20 | 17 (15/20) | 325 | $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 2012 Lexus GX
Running Costs: 2012 Lexus GX
Covering around 8,000 miles a year in a 2012 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.
2012 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 3 safety recall campaigns that include the 2012 Lexus GX (as of 6 October 2026). Most affected areas: Air bags (3). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Air bags — campaign 19V741000, reported 17 October 2019. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air bags — campaign 19V005000, reported 9 January 2019. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air bags — campaign 17V006000, reported 9 January 2017. Risk: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Owners have filed 11 complaints with NHTSA about the 2012 Lexus GX. The most-reported areas are Air bags (9), Engine (1), Service brakes (1).
Used-buyer checklist for the 2012 Lexus GX
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Air bags (3 recall campaigns · 9 owner complaints) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Engine (1 owner complaint) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Brakes (1 owner complaint) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Stability control (1 owner complaint) — Make sure no stability or traction warning light stays on.
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 325 g/km CO₂ figure is 72 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 2012 Lexus GX's 20 mpg is 8 mpg below that make average. Its 325 g/km CO₂ figure is 73 g/km higher than the 252 g/km Lexus average.
Of the 17 Lexus GX model years we cover, the 2012 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 2012 Lexus GX
Frequently Asked Questions
What engine does the 2012 Lexus GX have?
It's fitted with a 4.6L 8-cyl premium gasoline engine, paired with a automatic (s6) transmission.
What is the fuel economy of the 2012 Lexus GX?
The most efficient configuration returns around 20 mpg (UK) combined, or 17 mpg on the US EPA cycle.
How much does the 2012 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 2012 Lexus GX have any recalls?
NHTSA lists 3 safety recall campaigns that include the 2012 Lexus GX (as of 6 October 2026). Most affected areas: Air bags (3). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2012 Lexus GX?
Among the 11 owner complaints filed with NHTSA, the most-reported areas are Air bags (9 complaints), Engine (1 complaint), Service brakes (1 complaint). 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.