GX 550 — Gasoline · 4WD · 3.4L 6-cyl · 17 MPG
Official vehicle configuration guide
2025 Lexus GX
Compare 1 EPA-tested configuration, including the exact powertrain, fuel, driven wheels, engine, transmission and efficiency data available for this model year.
Official source verified U.S. market 1 EPA configuration Gasoline 5 feature guides
Official EPA configuration data
1 configurationChoose the closest tested configuration.
These entries distinguish powertrains and driveline combinations recorded by the U.S. EPA. They help narrow the vehicle, but they are not guaranteed retail trim or option-package names.
Match the fuel type, drive and transmission shown on the vehicle documents. A dealer package may use a different name.
Selected configurationGX 550 — Gasoline · 4WD · 3.4L 6-cyl · 17 MPG
Gasoline- Fuel
- Premium
- Engine
- SIDI & PFI · turbocharged
- Drive
- 4WD
- Transmission
- Automatic (S10)
- EPA combined
- 17 MPG combined
- City / highway
- 15 / 21 MPG
- Electric motor
- Not listed
- Range
- Not listed
- 240 V charge time
- Not listed
- Secondary / blended economy
- Not listed
- EPA vehicle class
- Standard Sport Utility Vehicle 4WD
- Stop-start system
- No
GX 550 — Gasoline · 4WD · 3.4L 6-cyl · 17 MPG selected.
Configuration is not the same as trim. EPA records can separate engines, fuel systems, transmissions or driven wheels without identifying badges such as LX, XLE or Touring. Confirm the retail trim with the window sticker, build sheet or manufacturer VIN portal.
Compare every tested configuration
1 official recordsMechanical and efficiency differences.
All rows are visible in the page and link to their exact government record. EPA configurations identify tested hardware, not guaranteed retail trim names.
View all 1 EPA configuration rows
| EPA carline | Powertrain | Engine / motor | Drive | Transmission | Combined | Range / charge | Source |
|---|---|---|---|---|---|---|---|
| GX 550 — Gasoline · 4WD · 3.4L 6-cyl · 17 MPG | GasolinePremium | SIDI & PFI | 4WD | Automatic (S10) | 17 MPG15 city / 21 highway | — | EPA record ↗ |
At a glance
What the official records cover.
Each option above is tied to a unique FuelEconomy.gov vehicle ID. EPA names sometimes expose a retail badge such as LE or Woodland Edition, but many records identify only the tested mechanical configuration.
GX 550
Gasoline
4WD
3.4L 6-cyl
How to identify yours
Match the hardware before the badge.
- 1
Start with fuel and powertrain. Check whether the vehicle is gasoline, diesel, hybrid, plug-in hybrid, electric or fuel-cell.
- 2
Match driven wheels and engine. Use FWD, RWD, AWD or 4WD plus displacement/cylinder information from the window sticker or registration.
- 3
Confirm the exact EPA record. Select the closest option and open its FuelEconomy.gov link. Use a VIN-specific build sheet when you need the retail trim or option package.
Source: U.S. Department of Energy / EPA FuelEconomy.gov dataset ↗ · U.S. market snapshot 2026-11-04. Economy values are official estimates, not a promise of real-world consumption.
Before you try a feature: equipment, trim, powertrain, market and software can change availability. Open the guide and check its exact scope.
Verified discoveries
Features worth knowing.
Written instructions are primary. Videos appear only when we can match a useful clip to the feature and scope.
Retail trims and named packages are separate from equipment requirements. Equipment-only guides remain visible; confirm the final factory build from the window sticker or owner portal.
Off-road systems Official source verified
Choose a Lexus GX Multi-Terrain Select Mode
Select terrain-specific drive, brake and suspension control in H4 or L4 on an equipped GX.
Off-road systems Official source verified
Lock the Lexus GX Rear Differential Off-Road
Stop wheelspin, request the locker and wait for its indicators to stop blinking before moving slowly.
Off-road systems Official source verified
Set Lexus GX Crawl Control Speed
Let an equipped GX manage accelerator and brakes at one of five very low off-road speed levels.
Four-wheel drive Official source verified
Shift a 2025 Lexus GX Between H4 and L4
Stop completely and use N before requesting low range for steep, loose or hard-pulling conditions.
Access and convenience Official source verified
Use and Safely Disable GX Power Running Boards
Let the boards follow the doors in automatic mode or command both boards from the cabin switch.