2020 head-to-head · Midsize Car

2020 Buick Regal vs Dodge Challenger

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
$2,114/ year to fuel
22 MPG
✓ Cheaper to run
$2,022/ year to fuel
23 MPG

The 2020 Dodge Challenger is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $2,022 a year to fuel (23 MPG), versus $2,114 for the 2020 Buick Regal (22 MPG). That's roughly $92 a year, or about $459 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
  • Dodge Challenger

Side by side

Buick RegalDodge Challenger
$2,114 Your annual fuel cost $2,022
22 MPG Combined efficiency 23 MPG
19 MPG City 19 MPG
27 MPG Highway 30 MPG
98 cu ft Passenger volume 94 cu ft
18 cu ft Cargo volume 16 cu ft
411 g/mi Tailpipe CO₂ (g/mi) 389 g/mi
4/10 EPA fuel economy score 5/10
4/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
3.6L 6-cyl Engine / motor 3.6L 6-cyl
9-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.

Buick Regal vs Dodge Challenger across model years

  • Buick Regal
  • Dodge Challenger

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 Buick Regal has more cargo space (18 vs. 16 cu ft).

Among 64 2020 midsize cars, the Buick Regal ranks 40th and the Dodge Challenger 36th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2020 Buick Regal or the 2020 Dodge Challenger?

Measured by cost to drive, the Dodge Challenger. The Buick Regal is rated 22 MPG combined and the Dodge Challenger 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Buick Regal vs. the Dodge Challenger per year?

At 15,000 miles a year with $3.10/gal regular gas, about $2,114 for the Buick Regal and $2,022 for the Dodge Challenger.

Which has more cargo space?

The Buick Regal, with 18 cu ft of luggage volume versus 16 cu ft (EPA interior volume index).

Buick Regal vs Dodge Challenger in other years

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