2003 Infiniti I35

Sedan Regular
Infiniti I35 2003
20MPG Combined
1 Trim
← 2002 2003 2004 →
Updated February 27, 2026

The 2003 Infiniti I35 Sedan provides 20 combined MPG. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2003 Infiniti I35 Specifications

SpecValue
Combined MPG20 combined MPG
City MPG17
Highway MPG24
Body StyleSedan
Fuel TypeRegular
DriveFWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2003 Infiniti I35 costs approximately $2,200 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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