2015 · Midsize Car · Gas

2015 Buick Regal MPG & fuel economy

The 2015 Buick Regal is a midsize car offered in 4 EPA-rated configurations. The most efficient version returns 24 MPG combined (20 city / 31 highway) on regular gasoline. Across the lineup, combined ratings range from 22 to 24 MPG. Efficiency is unchanged from the 2014 model. Among 69 midsize cars rated for 2015, it ranks 40th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $1,938 a year to fuel.

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Combined 24 MPG 20 MPG city · 31 MPG hwy
Driving range — not published for this model
Your fuel cost $1,938 15,000 mi/yr · $12.92 per 100 mi
Class rank, 2015 #40 of 69 Midsize Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 2015 Buick Regal's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.5 km/L in the city and 13.2 km/L on the highway.

MPGkm/LL/100 km
City208.511.8
Highway3113.27.6
Combined2410.29.8

How it ranks among 2015 Midsize Cars

Full class ranking →
  1. 1Nissan Leaf114 MPGe $799
  2. 2Toyota Prius Plug-in Hybrid95 MPGe + 50 MPG $887
  3. 3Toyota Prius48 MPG $969
  4. 4Honda Accord Hybrid47 MPG $989
  5. 5Mercedes-Benz B-Class Electric Drive84 MPGe $1,080
  6. 40Buick Regal24 MPG $1,938
  7. 69Ferrari FF13 MPG $4,558
2015 RegalOther midsize carsClass median: $1,850/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

Regal MPG across model years

Full history →

4 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
FWD · 2.0L 4-cyl turbo · 6-speed manual
Regal		 Gas 20 MPG 31 MPG 24 MPG — $1,938
FWD · 2.0L 4-cyl turbo · 6-speed automatic
Regal		 Gas 21 MPG 29 MPG 24 MPG — $1,938
FWD · 2.4L 4-cyl · 6-speed automatic
Regal		 Gas 19 MPG 30 MPG 23 MPG — $2,022
AWD · 2.0L 4-cyl turbo · 6-speed automatic
Regal AWD		 Gas 19 MPG 27 MPG 22 MPG — $2,114

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
2.0L 4-cyl turbo
Transmission
6-speed manual
Drivetrain
FWD
Passenger volume
98 cu ft
Cargo volume
13 cu ft
Tailpipe CO₂
372 g/mi
EPA fuel economy score
6/10
EPA greenhouse gas score
6/10

2015 Buick Regal vs. rivals

vs Toyota Avalon 24 MPG · $1,938/yr Same fuel cost vs Dodge Challenger 23 MPG · $2,022/yr Regal saves $84/yr vs Kia Optima 26 MPG · $1,788/yr Optima saves $149/yr vs Chrysler 200 27 MPG · $1,722/yr 200 saves $215/yr vs Chevrolet Cruze Diesel 32 MPG · $1,734/yr Cruze Diesel saves $203/yr vs Dodge Dart 29 MPG · $1,603/yr Dart saves $334/yr vs Buick Regal Hybrid 28 MPG · $1,661/yr Regal Hybrid saves $277/yr vs Roush Performance Mustang 16 MPG · $3,703/yr Regal saves $1,766/yr

Compare the 2015 Regal

With any other car from any year, including other Regal model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2015 Buick Regal Hybrid (28 MPG)

Frequently asked questions

What is the gas mileage of the 2015 Buick Regal?

Up to 24 MPG combined (20 city / 31 highway); ratings range from 22 to 24 MPG depending on configuration.

What fuel does the 2015 Buick Regal use?

Regular gasoline.

What is the fuel average in km/L for the 2015 Buick Regal?

The 2015 Buick Regal's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.5 km/L in the city and 13.2 km/L on the highway.

How much does it cost to fuel the 2015 Buick Regal per year?

About $1,938 at 15,000 miles a year with $3.10/gal regular gas, or $12.92 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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