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Depending on which 2003 Nissan Altima trim you choose, you'll have either P205/65R16 tires for the 2.5, 2.5 S, and 2.5 SL models or slightly larger P215/55R17 tires for the upgraded 3.5 SE. The recommended tire inflation is 33 pounds per square inch for standard load with a maximum of 36 pounds per square inch. The smaller tires on the 2.5L engine models are mounted on 6.5-inch wide by 16-inch diameter rims (6.5Jx16 ET40), while the larger tires on the 3.5 SE are on 7-inch wide by 17-inch diameter wheels (7Jx17 ET45). Both models have a bolt pattern of 5x114.3 with a center bore of 66.1mm, secured by 5 lug nuts with M12 X1.25 thread size.
The suggested tire pressure for the front and rear tires of a 2003 Nissan Altima is 29 pounds per square inch (psi). The tire dimensions for both the front and rear tires are P205/65R16. The standard wheel size for this vehicle is 16 inches with silver aluminum rims.