2015 Infiniti Q50S HybridFuel Economy & MPG Ratings

Hybrid Compact CarsRear-Wheel Drive

City

MPG

Highway

MPG

Combined

MPG

Trim Comparison

Automatic (S7)

Premium Hybrid

City

Hwy

Comb

Fuel cost: $2,700/yr

Trim	Engine	City	Hwy	Combined	Fuel Cost/yr
Automatic (S7)	Premium Hybrid	28	33	30	$2,700

Annual Fuel Cost

$2,700

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

5-Year Fuel Savings

$-1,500

vs. average new vehicle

EPA Fuel Economy Score: 7/10

GHG Score: 7/10

Environment

CO₂ Tailpipe Emissions: 295 g/mile
Annual Petroleum Consumption: 9.9 barrels

Specifications

Engine: 3.5L 6-cyl
Transmission: 7-speed Automatic
Drivetrain: RWD
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: 3.5L, 6-cylinder
Efficiency Tech: Auto Start-Stop
Fuel Type: Premium Gasoline

Annual Fuel Cost by State

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

National AvgEPA default

$4.490/gal$2,245/yr

California

$5.957/gal$2,979/yr

Texas

$3.888/gal$1,944/yr

Florida

$4.136/gal$2,068/yr

New York

$4.522/gal$2,261/yr

Ohio

$4.510/gal$2,255/yr

Washington

$5.591/gal$2,796/yr

Colorado

$4.618/gal$2,309/yr

Minnesota

$4.344/gal$2,172/yr

Massachusetts

$4.448/gal$2,224/yr

State	Gas Price	Annual Cost	vs. National Avg
National AvgEPA default	$4.490/gal	$2,245/yr	—
California	$5.957/gal	$2,979/yrHIGHEST	+$734
Texas	$3.888/gal	$1,944/yrLOWEST	$-301
Florida	$4.136/gal	$2,068/yr	$-177
New York	$4.522/gal	$2,261/yr	+$16
Ohio	$4.510/gal	$2,255/yr	+$10
Washington	$5.591/gal	$2,796/yr	+$551
Colorado	$4.618/gal	$2,309/yr	+$64
Minnesota	$4.344/gal	$2,172/yr	$-73
Massachusetts	$4.448/gal	$2,224/yr	$-21