2020 Lexus GS
Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data
The 2020 Lexus GS is sold in the U.S. with gasoline power. The EPA lists 4 configurations for this model year, with combined economy from 19 to 23 MPG and an estimated annual fuel cost of $3,450 to $4,200 at 15,000 miles.
Key numbers
| Model year | 2020 |
|---|---|
| Vehicle class | Midsize Cars |
| Fuel type(s) | Gasoline |
| Combined economy | 19-23 MPG |
| Best / worst combined | 23 / 19 MPG |
| Annual fuel cost | $3,450-$4,200 |
| Tailpipe CO₂ | 388-472 g/mi |
| EPA smog rating | 5-5 / 10 |
What it costs to fuel
Across its configurations, the 2020 GS costs about $3,450 to $4,200 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $3,775. Over five years that is about $18,875 in fuel alone before maintenance, insurance and depreciation — which is why the running cost, not just the price, decides what a car really costs.
Relative to an average new vehicle, this GS configuration spends about $5,750 more on fuel over five years.
For context, the average combined economy of midsize cars in this dataset is about 32 MPG. The GS sits roughly 11 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.
Configurations and fuel economy
| Version | Engine | Drive | Trans | Fuel | Combined | Annual fuel |
|---|---|---|---|---|---|---|
| GS 350 | 3.5L 6-cyl | Rear-Wheel | Automatic | Gasoline | 23 MPG | $3,450 |
| GS 350 F Sport | 3.5L 6-cyl | Rear-Wheel | Automatic | Gasoline | 22 MPG | $3,650 |
| GS 350 AWD | 3.5L 6-cyl | All-Wheel | Automatic | Gasoline | 21 MPG | $3,800 |
| GS F | 5.0L 8-cyl | Rear-Wheel | Automatic | Gasoline | 19 MPG | $4,200 |
Emissions, safety and size
The 2020 GS records tailpipe CO₂ of 388-472 g/mi, an EPA smog rating of 5-5 out of 10. The EPA classifies it as midsize cars.
Compare this car
Open the comparison tool to line this 2020 GS up against any other vehicle in the database, or jump to other years and trims from the 2020 Lexus GS overview.
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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.