Skip to main content

Fuel Economy of 2003 Infiniti Vehicles

EPA MPG Owner MPG Estimates
2003 Infiniti G35 6 cyl, 3.5 L, Manual 6-spd
Premium Gasoline View Estimates
How can I share my MPG?
Compare
Combined MPG:20
combined
city/highway
MPG
City MPG:17
city
Highway MPG:24
highway
5.0 gals/100 miles
2003 Infiniti G35 6 cyl, 3.5 L, Automatic (S5)
Regular Gasoline View Estimates
How can I share my MPG?
Compare
Combined MPG:19
combined
city/highway
MPG
City MPG:17
city
Highway MPG:24
highway
5.3 gals/100 miles
2003 Infiniti G35 6 cyl, 3.5 L, Automatic (S5)
Premium Gasoline View Estimates
How can I share my MPG?
Compare
Combined MPG:19
combined
city/highway
MPG
City MPG:17
city
Highway MPG:24
highway
5.3 gals/100 miles
2003 Infiniti M45 8 cyl, 4.5 L, Automatic (S5)
Premium Gasoline View Estimates
How can I share my MPG?
Compare
Combined MPG:18
combined
city/highway
MPG
City MPG:16
city
Highway MPG:22
highway
5.6 gals/100 miles
2003 Infiniti I35 6 cyl, 3.5 L, Automatic 4-spd
Regular Gasoline View Estimates
How can I share my MPG?
Compare
Combined MPG:20
combined
city/highway
MPG
City MPG:17
city
Highway MPG:24
highway
5.0 gals/100 miles
2003 Infiniti Q45 8 cyl, 4.5 L, Automatic (S5)
Premium Gasoline View Estimates
How can I share my MPG?
Compare
Combined MPG:18
combined
city/highway
MPG
City MPG:16
city
Highway MPG:22
highway
5.6 gals/100 miles
2003 Infiniti FX35 2WD 6 cyl, 3.5 L, Automatic (S5)
Regular Gasoline
Not Available
How can I share my MPG?
Compare
Combined MPG:17
combined
city/highway
MPG
City MPG:15
city
Highway MPG:22
highway
5.9 gals/100 miles
2003 Infiniti QX4 2WD 6 cyl, 3.5 L, Automatic 4-spd
Regular Gasoline
Not Available
How can I share my MPG?
Compare
Combined MPG:16
combined
city/highway
MPG
City MPG:14
city
Highway MPG:19
highway
6.2 gals/100 miles
2003 Infiniti FX35 AWD 6 cyl, 3.5 L, Automatic (S5)
Regular Gasoline View Estimates
How can I share my MPG?
Compare
Combined MPG:17
combined
city/highway
MPG
City MPG:15
city
Highway MPG:20
highway
5.9 gals/100 miles
2003 Infiniti FX45 AWD 8 cyl, 4.5 L, Automatic (S5)
Premium Gasoline View Estimates
How can I share my MPG?
Compare
Combined MPG:15
combined
city/highway
MPG
City MPG:13
city
Highway MPG:18
highway
6.7 gals/100 miles
2003 Infiniti QX4 4WD 6 cyl, 3.5 L, Automatic 4-spd
Regular Gasoline
Not Available
How can I share my MPG?
Compare
Combined MPG:15
combined
city/highway
MPG
City MPG:14
city
Highway MPG:18
highway
6.7 gals/100 miles

This website is administered by Oak Ridge National Laboratory for the U.S. DOE and the U.S. EPA.