2014 Buick Regal eAssistFuel Economy & MPG Ratings

Hybrid Midsize CarsFront-Wheel Drive
City
24
MPG
Highway
35
MPG
Combined
28
MPG

Trim Comparison

Automatic (S6)
Regular Hybrid
City
24
Hwy
35
Comb
28
Fuel cost: $2,400/yr
Annual Fuel Cost
$2,400

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$0

vs. average new vehicle

EPA Fuel Economy Score: 7/10
GHG Score: 7/10

Environment

CO₂ Tailpipe Emissions
312 g/mile
Annual Petroleum Consumption
10.6 barrels

Specifications

Engine
2.4L 4-cyl
Transmission
6-speed Automatic
Drivetrain
FWD
Body Style
Sedan
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
2.4L, 4-cylinder
Induction Type
Direct Injection
Efficiency Tech
Auto Start-Stop
Fuel Type
Regular Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$2,405/yr
California
$5.957/gal$3,191/yr
Texas
$3.888/gal$2,083/yr
Florida
$4.136/gal$2,216/yr
New York
$4.522/gal$2,423/yr
Ohio
$4.510/gal$2,416/yr
Washington
$5.591/gal$2,995/yr
Colorado
$4.618/gal$2,474/yr
Minnesota
$4.344/gal$2,327/yr
Massachusetts
$4.448/gal$2,383/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 28 MPG combined. Regular gasoline prices. Actual costs vary.

Related

Buick Regal eAssist MPG History
See how this model's fuel economy changed by year

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