2017 head-to-head · Midsize Car

2017 Buick Regal vs Toyota Avalon

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
$2,022/ year to fuel
23 MPG
✓ Cheaper to run
$1,938/ year to fuel
24 MPG

FWD · 3.5L 6-cyl · 6-speed automatic · 24 MPG

The 2017 Toyota Avalon is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,938 a year to fuel (24 MPG), versus $2,022 for the 2017 Buick Regal (23 MPG). That's roughly $84 a year, or about $421 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
  • Toyota Avalon

Side by side

Buick RegalToyota Avalon
$2,022 Your annual fuel cost $1,938
23 MPG Combined efficiency 24 MPG
19 MPG City 21 MPG
30 MPG Highway 30 MPG
98 cu ft Passenger volume 104 cu ft
13 cu ft Cargo volume 16 cu ft
385 g/mi Tailpipe CO₂ (g/mi) 365 g/mi
5/10 EPA fuel economy score 5/10
5/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
2.4L 4-cyl Engine / motor 3.5L 6-cyl
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 vs Toyota Avalon across model years

  • Buick Regal
  • Toyota Avalon

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 Toyota Avalon has more passenger space (104 vs. 98 cu ft); the Toyota Avalon has more cargo space (16 vs. 13 cu ft).

Among 67 2017 midsize cars, the Buick Regal ranks 42nd and the Toyota Avalon 38th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2017 Buick Regal or the 2017 Toyota Avalon?

Measured by cost to drive, the Toyota Avalon. The Buick Regal is rated 23 MPG combined and the Toyota Avalon 24 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2017 Buick Regal vs. the Toyota Avalon per year?

At 15,000 miles a year with $3.10/gal regular gas, about $2,022 for the Buick Regal and $1,938 for the Toyota Avalon.

Which has more cargo space?

The Toyota Avalon, with 16 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).

Buick Regal vs Toyota Avalon in other years

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