2018 Lexus GS 450h

Sedan Premium
Lexus GS 450h 2018
31MPG Combined
1 Trim
← 2017 2018
Updated February 27, 2026

Get the full picture on the 2018 Lexus GS 450h. As a Sedan, it achieves 31 combined MPG and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.

2018 Lexus GS 450h Specifications

SpecValue
Combined MPG31 combined MPG
City MPG29
Highway MPG34
Body StyleSedan
Fuel TypePremium
DriveRWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2018 Lexus GS 450h costs approximately $1,900 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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