2018 Lexus GS: GS 450h · 3.5L · RWD · 8-speed cvt · Hybrid
One configuration of the 2018 Lexus GS as listed by our sources. Every figure below carries its source.
| Specification | Value | Source |
|---|---|---|
| Engine | 3.5L 6-cylinder (SIDI & PFI) | EPA fueleconomy.gov |
| Displacement | 3.5 L | EPA fueleconomy.gov |
| Cylinders | 6 | EPA fueleconomy.gov |
| Fuel type | Hybrid | EPA fueleconomy.gov |
| Transmission | 8-speed CVT | EPA fueleconomy.gov |
| Drivetrain | RWD | EPA fueleconomy.gov |
| Combined economy | 31 mpg (7.6 L/100 km) | EPA fueleconomy.gov |
| City economy | 29 mpg (8.1 L/100 km) | EPA fueleconomy.gov |
| Highway economy | 34 mpg (6.9 L/100 km) | EPA fueleconomy.gov |
Provenance & verification
- EPA fueleconomy.gov · US Government public data
Source checked: October 12, 2026
Data verified: October 13, 2026