2018 Lexus RC 300 AWDFuel Economy & MPG Ratings

Gasoline Subcompact CarsAll-Wheel Drive
City
18
MPG
Highway
24
MPG
Combined
21
MPG

Trim Comparison

Automatic (S6)
Premium
City
18
Hwy
24
Comb
21
Fuel cost: $3,900/yr
Annual Fuel Cost
$3,900

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

5-Year Fuel Savings
$-7,500

vs. average new vehicle

EPA Fuel Economy Score: 4/10
GHG Score: 4/10

Environment

CO₂ Tailpipe Emissions
422 g/mile
Annual Petroleum Consumption
14.2 barrels

Specifications

Engine
3.5L 6-cyl
Transmission
6-speed Automatic
Drivetrain
AWD
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
Induction Type
Direct Injection
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$3,207/yr
California
$5.957/gal$4,255/yr
Texas
$3.888/gal$2,777/yr
Florida
$4.136/gal$2,954/yr
New York
$4.522/gal$3,230/yr
Ohio
$4.510/gal$3,221/yr
Washington
$5.591/gal$3,994/yr
Colorado
$4.618/gal$3,299/yr
Minnesota
$4.344/gal$3,103/yr
Massachusetts
$4.448/gal$3,177/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 21 MPG combined. Regular gasoline prices. Actual costs vary.

Related

Lexus RC 300 AWD MPG History
See how this model's fuel economy changed by year

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