2018 head-to-head · Compact Car
2018 Cadillac ATS-V 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 2018 Lexus IS 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 $2,962 for the 2018 Cadillac ATS-V (20 MPG). That's roughly $684 a year, or about $3,418 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
- Cadillac ATS-V
- Lexus IS
Side by side
| Cadillac ATS-V | Lexus IS | |
|---|---|---|
| $2,962 | Your annual fuel cost | $2,279 |
| 20 MPG | Combined efficiency | 26 MPG |
| 17 MPG | City | 22 MPG |
| 25 MPG | Highway | 32 MPG |
| 96 cu ft | Passenger volume | 90 cu ft |
| 14 cu ft | Cargo volume | 11 cu ft |
| 469 g/mi | Tailpipe CO₂ (g/mi) | 345 g/mi |
| 4/10 | EPA fuel economy score | 5/10 |
| 4/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.6L 6-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.
Cadillac ATS-V vs Lexus IS across model years
- Cadillac ATS-V
- 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 Cadillac ATS-V has more passenger space (96 vs. 90 cu ft); the Cadillac ATS-V has more cargo space (14 vs. 11 cu ft).
Among 44 2018 compact cars, the Cadillac ATS-V ranks 43rd and the Lexus IS 38th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Cadillac ATS-V or the 2018 Lexus IS?
Measured by cost to drive, the Lexus IS. The Cadillac ATS-V is rated 20 MPG combined and the Lexus IS 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Cadillac ATS-V vs. the Lexus IS per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,962 for the Cadillac ATS-V and $2,279 for the Lexus IS.
Which has more cargo space?
The Cadillac ATS-V, with 14 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).
Cadillac ATS-V vs Lexus IS in other years
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