2018 Lexus GS 350

Sedan Premium
Lexus GS 350 2018
23MPG Combined
2 Trims
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Updated February 27, 2026

Looking at the 2018 Lexus GS 350? This Sedan offers 22–23 combined MPG depending on trim and comes with 2 available configurations. We break down the specs, safety data, and how it compares to the competition.

2018 Lexus GS 350 Specifications

SpecValue
Combined MPG22–23 combined MPG depending on trim
City MPG20
Highway MPG28
Body StyleSedan
Fuel TypePremium
DriveRWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
6 cyl20/28/233.5L 6cylAutomatic (S8)
6 cyl19/26/223.5L 6cylAutomatic (S6)

Annual Fuel Cost

Based on EPA estimates, the 2018 Lexus GS 350 costs approximately $2,600 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

Compare the 2018 Lexus GS 350

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