Chevrolet Impala vs Buick Regal Sportback Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2020 Chevrolet Impala LS FWD
Photo of 2019 model year shown

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User Ranking Drivers and owners ranked these cars in 9 categories.

Expert Reviews Reviews from CarGurus experts.

2020 Chevrolet Impala
LS FWD
Kyree Williams Preview:

The Chevrolet Impala is a large sedan, one you might consider if you’re in the market for a Dodge Charger, Kia Cadenza, Nissan Maxima, Buick LaCrosse, or Toyota Avalon. It gets a few c...

2020 Buick Regal Sportback
Avenir FWD
Steve Halloran Preview:

The shapely yet utilitarian Regal belongs to a genre that few buyers are even aware of—the hatchback sedan. Hinged at the leading edge of the rear window, the hatch enhances the Regal’...

Specs

2020 Chevrolet Impala
LS FWD
2020 Buick Regal Sportback
Avenir FWD
Powertrain 9-Speed Automatic
Drivetrain
FWD
FWD
FWD
Fuel Economy, City
--
--
22 MPG
Fuel Economy, Highway
--
--
32 MPG
Fuel Tank Volume 18.5 gal 16.3 gal
Engine
Fuel Type
Flex Fuel Vehicle
Gasoline
Gasoline
Power
305 hp @ 6,800 RPM
197 hp @ 6,300 RPM
250 hp @ 5,400 RPM
Torque
264 lb-ft @ 5,300 RPM
191 lb-ft @ 4,400 RPM
260 lb-ft @ 2,000 RPM
Cylinders
6 cylinders
4 cylinders
4 cylinders
Compression Ratio
11.5:1
11.3:1
9.5:1
Displacement
3,600 cc
2,500 cc
2,000 cc
Bore x Stroke
3.7 in x 3.37 in
3.46 in x 3.97 in
3.39 in x 3.39 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Rear Side Airbags -- Standard
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Comfort and Convenience
Air Conditioning Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats -- Standard
Interior
Maximum Seating 5 seats 5 seats
Front Legroom 45.8 in 42.1 in
Back Legroom 39.8 in 36.9 in
Payload and Towing
Cargo Volume 18.8 cu ft 31.5 cu ft
Maximum Payload -- 735 lbs
Exterior
Length 201.3 in 192.9 in
Width 84.3 in 73.3 in
Height 58.9 in 57.3 in
Wheelbase 111.7 in 111.4 in

Available Options

2020 Chevrolet Impala
LS FWD
2020 Buick Regal Sportback
Avenir FWD

Exterior Colors

  • Dark Moon Blue Metallic
  • Ebony Twilight Metallic
  • RIOJA Red Metallic
  • Satin Steel Metallic
  • White Frost Tricoat

Option Packages

  • Driver Confidence Package II
  • Moonroof, Power, Tilt-Sliding with Sunshade

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