2020 head-to-head · Compact Car
2020 Audi S4 vs Cadillac CT4
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 3.0L 6-cyl turbo · 8-speed automatic · 23 MPG
The 2020 Cadillac CT4 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,576 for the 2020 Audi S4 (23 MPG). That's roughly $382 a year, or about $1,908 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
- Audi S4
- Cadillac CT4
Side by side
| Audi S4 | Cadillac CT4 | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,194 |
| 23 MPG | Combined efficiency | 27 MPG |
| 20 MPG | City | 23 MPG |
| 27 MPG | Highway | 34 MPG |
| 90 cu ft | Passenger volume | 90 cu ft |
| 13 cu ft | Cargo volume | 13 cu ft |
| 393 g/mi | Tailpipe CO₂ (g/mi) | 327 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| AWD | 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.
Audi S4 vs Cadillac CT4 across model years
- Audi S4
- Cadillac CT4
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 34 2020 compact cars, the Audi S4 ranks 31st and the Cadillac CT4 27th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Audi S4 or the 2020 Cadillac CT4?
Measured by cost to drive, the Cadillac CT4. The Audi S4 is rated 23 MPG combined and the Cadillac CT4 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Audi S4 vs. the Cadillac CT4 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Audi S4 and $2,194 for the Cadillac CT4.
Audi S4 vs Cadillac CT4 in other years
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