2004 Lexus GS 300/Gs 430

Sedan Premium
Lexus GS 300/Gs 430 2004
19MPG Combined
2 Trims
← 2003 2004 2005 →
Updated February 27, 2026

Get the full picture on the 2004 Lexus GS 300/Gs 430. As a Sedan, it achieves 18–19 combined MPG depending on trim and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.

2004 Lexus GS 300/Gs 430 Specifications

SpecValue
Combined MPG18–19 combined MPG depending on trim
City MPG16
Highway MPG23
Body StyleSedan
Fuel TypePremium
DriveRWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
6 cyl16/23/193.0L 6cylAutomatic (S5)
Auto16/22/184.3L 8cylAutomatic 5-spd

Annual Fuel Cost

Based on EPA estimates, the 2004 Lexus GS 300/Gs 430 costs approximately $3,150 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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