2015 · Midsize Car · Gas
2015 Lexus GS MPG & fuel economy
The 2015 Lexus GS is a midsize car offered in 2 EPA-rated configurations. The most efficient version returns 23 MPG combined (19 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 21 to 23 MPG. Efficiency is unchanged from the 2014 model. Among 69 midsize cars rated for 2015, it ranks 51st for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2015 Lexus GS's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.1 km/L in the city and 12.3 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 29 | 12.3 | 8.1 |
| Combined | 23 | 9.8 | 10.2 |
How it ranks among 2015 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
GS MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.5L 6-cyl · 8-speed automatic GS 350 |
Gas | 19 MPG | 29 MPG | 23 MPG | — | $2,576 |
| AWD · 3.5L 6-cyl · 6-speed automatic GS 350 AWD |
Gas | 19 MPG | 26 MPG | 21 MPG | — | $2,821 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 3.5L 6-cyl
- Transmission
- 8-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 99 cu ft
- Cargo volume
- 14 cu ft
- Tailpipe CO₂
- 392 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2015 Lexus GS vs. rivals
Compare the 2015 GS
With any other car from any year, including other GS model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2015 Lexus GS Hybrid (31 MPG)
Frequently asked questions
What is the gas mileage of the 2015 Lexus GS?
Up to 23 MPG combined (19 city / 29 highway); ratings range from 21 to 23 MPG depending on configuration.
What fuel does the 2015 Lexus GS use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2015 Lexus GS?
The 2015 Lexus GS's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.1 km/L in the city and 12.3 km/L on the highway.
How much does it cost to fuel the 2015 Lexus GS per year?
About $2,576 at 15,000 miles a year with $3.95/gal premium gas, or $17.17 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.