2003 Lexus IS 300

Compact Sedan Premium
Lexus IS 300 2003
18MPG Combined
2 Trims
← 2002 2003 2004 →
Updated February 27, 2026

The 2003 Lexus IS 300 Compact Sedan provides 18 combined MPG. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2003 Lexus IS 300 Specifications

SpecValue
Combined MPG18 combined MPG
City MPG16
Highway MPG23
Body StyleCompact Sedan
Fuel TypePremium
DriveRWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Man16/23/183.0L 6cylManual 5-spd
6 cyl16/22/183.0L 6cylAutomatic (S5)

Annual Fuel Cost

Based on EPA estimates, the 2003 Lexus IS 300 costs approximately $3,250 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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