Cars with two gas tanks are designed for extended range, better weight distribution, or specialized use in off-road and commercial applications. While not as common in standard passenger vehicles, this feature is often found in trucks, SUVs, and certain utility models that prioritize range and fuel management flexibility.
Pickup Trucks
- Ford F-Series – Older F-250 and F-350 models offered dual fuel tanks for long-haul driving and worksite use.
- Chevrolet and GMC trucks – Some heavy-duty Silverado and Sierra models from past decades came with two tanks.
- Dodge Ram – Select older Ram 2500 and 3500 models featured optional dual tank setups.
Off-Road & Expedition Vehicles
- Toyota Land Cruiser – Certain models, especially in markets like Australia and the Middle East, came with factory sub tanks for extended travel.
- Nissan Patrol – Known in some markets for offering dual tank configurations to support long-distance outback or desert expeditions.
- Jeep J-Series – Vintage Jeep pickups and some Wagoneer variants were available with multiple fuel tanks.
Commercial & Utility Vehicles
- Work trucks – Custom fleet and utility vehicles often have auxiliary tanks installed for job site efficiency.
- Recreational vehicles – RVs and camper conversions sometimes use two tanks to extend travel range.
- Specialty service vehicles – Fire trucks, ambulances, and other service rigs may feature multiple tanks for operational reliability.
Advantages of Two Gas Tanks
- Extended range – Allows longer travel without frequent refueling stops.
- Fuel flexibility – Can separate different fuel grades or types for specialized equipment.
- Weight distribution – Placement of tanks can improve vehicle balance and handling.
Cars with two gas tanks are most often found in heavy-duty, off-road, and utility-focused segments. They provide practical benefits for drivers who need maximum range, reliability, and flexibility in challenging or remote driving conditions.