2015 head-to-head · Midsize Car

2015 Buick Regal Hybrid 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.

Swap sides
✓ Cheaper to run
$1,661/ year to fuel
28 MPG

FWD · 2.4L 4-cyl · 6-speed automatic · 28 MPG

✓ Cheaper to run
$1,734/ year to fuel
32 MPG

FWD · 2.0L 4-cyl turbo · 6-speed automatic · 32 MPG

The 2015 Buick Regal Hybrid 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 $1,661 a year to fuel (28 MPG), versus $1,734 for the 2015 Chevrolet Cruze Diesel (32 MPG). That's roughly $74 a year, or about $368 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 Hybrid
  • Chevrolet Cruze Diesel

Side by side

Buick Regal HybridChevrolet Cruze Diesel
$1,661 Your annual fuel cost $1,734
28 MPG Combined efficiency 32 MPG
24 MPG City 27 MPG
35 MPG Highway 44 MPG
98 cu ft Passenger volume 94 cu ft
13 cu ft Cargo volume 16 cu ft
314 g/mi Tailpipe CO₂ (g/mi) 314 g/mi
7/10 EPA fuel economy score 8/10
7/10 EPA greenhouse gas score 7/10
Hybrid Powertrain Diesel
Regular gasoline Fuel Diesel
2.4L 4-cyl Engine / motor 2.0L 4-cyl turbo
6-speed automatic 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 Hybrid vs Chevrolet Cruze Diesel across model years

  • Buick Regal Hybrid
  • 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 Hybrid 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 Hybrid ranks 27th and the Chevrolet Cruze Diesel 32nd for lowest fuel cost.

The powertrains differ: the Buick Regal Hybrid is a full hybrid, while the Chevrolet Cruze Diesel is a diesel.

Frequently asked questions

Which is more fuel-efficient, the 2015 Buick Regal Hybrid or the 2015 Chevrolet Cruze Diesel?

Measured by cost to drive, the Buick Regal Hybrid. The Buick Regal Hybrid is rated 28 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 Hybrid 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 $1,661 for the Buick Regal Hybrid 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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