A recent Nissan Altima holds approximately 16.2 U.S. gallons of fuel with front-wheel drive (FWD) or 16.0 U.S. gallons with all-wheel drive (AWD). Nissan lists these capacities for the 2025 and 2026 Altima models.

What gas does a Nissan Altima take?

The Nissan Altima takes regular unleaded gasoline with a minimum octane rating of 87 AKI. Premium gasoline is not required for the standard fuel recommendation.

Nissan Altima fuel-tank capacity

• Front-wheel-drive Altima: 16.2 U.S. gallons
• All-wheel-drive Altima: 16.0 U.S. gallons

The exact capacity can vary by model year and drivetrain. The 2025 and 2026 Nissan Altima brochures list the same 16.2-gallon capacity for FWD models and 16.0 gallons for AWD models.

Can a Nissan Altima use E85?

Nissan advises against using E85 in Altima vehicles that are not specifically labeled for it. Fuel containing more than 15% ethanol should not be used. Check the fuel-door label and the owner’s manual for the specific Altima model before choosing a fuel blend.

What to check for an older Altima

Older Nissan Altima models may have different fuel-tank specifications. For the most accurate capacity and fuel requirement, verify the model year, drivetrain, fuel-door label, and owner’s manual rather than relying only on the specifications for recent models.