2015 head-to-head · Midsize Car
2015 Buick Regal vs Chevrolet Cruze Diesel
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · 2.0L 4-cyl turbo · 6-speed automatic · 32 MPG
The 2015 Chevrolet Cruze Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, it costs about $1,734 a year to fuel (32 MPG), versus $1,938 for the 2015 Buick Regal (24 MPG). That's roughly $203 a year, or about $1,016 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
- Buick Regal
- Chevrolet Cruze Diesel
Side by side
| Buick Regal | Chevrolet Cruze Diesel | |
|---|---|---|
| $1,938 | Your annual fuel cost | $1,734 |
| 24 MPG | Combined efficiency | 32 MPG |
| 20 MPG | City | 27 MPG |
| 31 MPG | Highway | 44 MPG |
| 98 cu ft | Passenger volume | 94 cu ft |
| 13 cu ft | Cargo volume | 16 cu ft |
| 372 g/mi | Tailpipe CO₂ (g/mi) | 314 g/mi |
| 6/10 | EPA fuel economy score | 8/10 |
| 6/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Diesel |
| Regular gasoline | Fuel | Diesel |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 6-speed manual | Transmission | 6-speed automatic |
| FWD | Drivetrain | FWD |
✓ 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.
Buick Regal vs Chevrolet Cruze Diesel across model years
- Buick Regal
- Chevrolet Cruze Diesel
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 Buick Regal has more passenger space (98 vs. 94 cu ft); the Chevrolet Cruze Diesel has more cargo space (16 vs. 13 cu ft).
Among 69 2015 midsize cars, the Buick Regal ranks 40th and the Chevrolet Cruze Diesel 32nd for lowest fuel cost.
The powertrains differ: the Buick Regal is a conventional gas model, while the Chevrolet Cruze Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2015 Buick Regal or the 2015 Chevrolet Cruze Diesel?
Measured by cost to drive, the Chevrolet Cruze Diesel. The Buick Regal is rated 24 MPG combined and the Chevrolet Cruze Diesel 32 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Buick Regal vs. the Chevrolet Cruze Diesel per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, about $1,938 for the Buick Regal and $1,734 for the Chevrolet Cruze Diesel.
Which has more cargo space?
The Chevrolet Cruze Diesel, with 16 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
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