2020 Lexus GS 350

Sedan Premium
Lexus GS 350 2020
23MPG Combined
2 Trims
← 2019 2020
Updated February 27, 2026

The 2020 Lexus GS 350 Sedan provides 21–23 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2020 Lexus GS 350 Specifications

SpecValue
Combined MPG21–23 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 cyl19/26/213.5L 6cylAutomatic (S6)

Annual Fuel Cost

Based on EPA estimates, the 2020 Lexus GS 350 costs approximately $2,675 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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