2020 head-to-head · Compact Car
2020 BMW 4 Series 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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2020 BMW 4 Series (27 MPG) costs about $2,194 a year to fuel and the 2020 Cadillac CT4 (27 MPG) about $2,194.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- BMW 4 Series
- Cadillac CT4
Side by side
| BMW 4 Series | Cadillac CT4 | |
|---|---|---|
| $2,194 | Your annual fuel cost | $2,194 |
| 27 MPG | Combined efficiency | 27 MPG |
| 23 MPG | City | 23 MPG |
| 34 MPG | Highway | 34 MPG |
| 90 cu ft | Passenger volume | 90 cu ft |
| 9 cu ft | Cargo volume | 13 cu ft |
| 327 g/mi | Tailpipe CO₂ (g/mi) | 327 g/mi |
| 6/10 | EPA fuel economy score | 6/10 |
| 6/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 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.
BMW 4 Series vs Cadillac CT4 across model years
- BMW 4 Series
- 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
Per EPA interior volume figures, the Cadillac CT4 has more cargo space (13 vs. 9 cu ft).
Among 34 2020 compact cars, the BMW 4 Series ranks 25th and the Cadillac CT4 27th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2020 BMW 4 Series vs. the Cadillac CT4 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the BMW 4 Series and $2,194 for the Cadillac CT4.
Which has more cargo space?
The Cadillac CT4, with 13 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).
BMW 4 Series vs Cadillac CT4 in other years
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