2026 head-to-head · Compact Car
2026 Cadillac CT4 vs Genesis G70
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 2026 Cadillac CT4 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 $2,469 for the 2026 Genesis G70 (24 MPG). That's roughly $190 a year, or about $950 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 CT4
- Genesis G70
Side by side
| Cadillac CT4 | Genesis G70 | |
|---|---|---|
| $2,279 | Your annual fuel cost | $2,469 |
| 26 MPG | Combined efficiency | 24 MPG |
| 22 MPG | City | 21 MPG |
| 32 MPG | Highway | 29 MPG |
| 90 cu ft | Passenger volume | 94 cu ft |
| 11 cu ft | Cargo volume | 10 cu ft |
| 345 g/mi | Tailpipe CO₂ (g/mi) | 373 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 |
| 2.0L 4-cyl turbo | Engine / motor | 2.5L 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 CT4 vs Genesis G70 across model years
- Cadillac CT4
- Genesis G70
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 Cadillac CT4 has more cargo space (11 vs. 10 cu ft).
Among 21 2026 compact cars, the Cadillac CT4 ranks 16th and the Genesis G70 17th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Cadillac CT4 or the 2026 Genesis G70?
Measured by cost to drive, the Cadillac CT4. The Cadillac CT4 is rated 26 MPG combined and the Genesis G70 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Cadillac CT4 vs. the Genesis G70 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the Cadillac CT4 and $2,469 for the Genesis G70.
Which has more cargo space?
The Cadillac CT4, with 11 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
Cadillac CT4 vs Genesis G70 in other years
More 2026 comparisons
Cadillac CT4 vs…
Or compare the 2026 Cadillac CT4 with anything else: