2025 head-to-head · Compact Car
2025 Genesis G70 vs Lexus IS
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2025 Lexus IS is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel (25 MPG), versus $2,469 for the 2025 Genesis G70 (24 MPG). That's roughly $99 a year, or about $494 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
- Genesis G70
- Lexus IS
Side by side
| Genesis G70 | Lexus IS | |
|---|---|---|
| $2,469 | Your annual fuel cost | $2,370 |
| 24 MPG | Combined efficiency | 25 MPG |
| 21 MPG | City | 21 MPG |
| 29 MPG | Highway | 31 MPG |
| 94 cu ft | Passenger volume | 90 cu ft |
| 10 cu ft | Cargo volume | 11 cu ft |
| 373 g/mi | Tailpipe CO₂ (g/mi) | 356 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 |
| 2.5L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| RWD | 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.
Genesis G70 vs Lexus IS across model years
- Genesis G70
- Lexus IS
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 Genesis G70 has more passenger space (94 vs. 90 cu ft); the Lexus IS has more cargo space (11 vs. 10 cu ft).
Among 26 2025 compact cars, the Genesis G70 ranks 22nd and the Lexus IS 19th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Genesis G70 or the 2025 Lexus IS?
Measured by cost to drive, the Lexus IS. The Genesis G70 is rated 24 MPG combined and the Lexus IS 25 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Genesis G70 vs. the Lexus IS per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the Genesis G70 and $2,370 for the Lexus IS.
Which has more cargo space?
The Lexus IS, with 11 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
Genesis G70 vs Lexus IS in other years
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