2019 head-to-head · Midsize Car
2019 Acura RLX vs Lexus GS
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · 3.5L 6-cyl · 10-speed automatic · 23 MPG
The 2019 Lexus GS is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,576 for the 2019 Acura RLX (23 MPG). That's roughly $297 a year, or about $1,486 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Acura RLX
- Lexus GS
Side by side
| Acura RLX | Lexus GS | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,279 |
| 23 MPG | Combined efficiency | 26 MPG |
| 20 MPG | City | 22 MPG |
| 29 MPG | Highway | 32 MPG |
| 102 cu ft | Passenger volume | 99 cu ft |
| 15 cu ft | Cargo volume | 14 cu ft |
| 383 g/mi | Tailpipe CO₂ (g/mi) | 347 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.5L 6-cyl | Engine / motor | 2.0L 4-cyl turbo |
| 10-speed automatic | Transmission | 8-speed automatic |
| FWD | Drivetrain | RWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Acura RLX vs Lexus GS across model years
- Acura RLX
- Lexus GS
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the Acura RLX has more cargo space (15 vs. 14 cu ft).
Among 68 2019 midsize cars, the Acura RLX ranks 63rd and the Lexus GS 55th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2019 Acura RLX or the 2019 Lexus GS?
Measured by cost to drive, the Lexus GS. The Acura RLX is rated 23 MPG combined and the Lexus GS 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 Acura RLX vs. the Lexus GS per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Acura RLX and $2,279 for the Lexus GS.
Which has more cargo space?
The Acura RLX, with 15 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).
Acura RLX vs Lexus GS in other years
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