2018 head-to-head · Midsize Car
2018 Cadillac CTS-V vs Lexus LS
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 6.2L 8-cyl supercharged · 8-speed automatic · 17 MPG
The 2018 Lexus LS is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel (23 MPG), versus $3,485 for the 2018 Cadillac CTS-V (17 MPG). That's roughly $909 a year, or about $4,546 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 CTS-V
- Lexus LS
Side by side
| Cadillac CTS-V | Lexus LS | |
|---|---|---|
| $3,485 | Your annual fuel cost | $2,576 |
| 17 MPG | Combined efficiency | 23 MPG |
| 14 MPG | City | 19 MPG |
| 21 MPG | Highway | 30 MPG |
| 97 cu ft | Passenger volume | 99 cu ft |
| 13 cu ft | Cargo volume | 13 cu ft |
| 530 g/mi | Tailpipe CO₂ (g/mi) | 387 g/mi |
| 3/10 | EPA fuel economy score | 5/10 |
| 3/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 6.2L 8-cyl supercharged | Engine / motor | 3.4L 6-cyl turbo |
| 8-speed automatic | Transmission | 10-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 CTS-V vs Lexus LS across model years
- Cadillac CTS-V
- Lexus LS
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
Among 74 2018 midsize cars, the Cadillac CTS-V ranks 70th and the Lexus LS 61st for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Cadillac CTS-V or the 2018 Lexus LS?
Measured by cost to drive, the Lexus LS. The Cadillac CTS-V is rated 17 MPG combined and the Lexus LS 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Cadillac CTS-V vs. the Lexus LS per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Cadillac CTS-V and $2,576 for the Lexus LS.
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