The standard fuel tank on most 1986 Toyota Pickup models is 18.5 US gallons (about 70 liters).
There can be slight variations by market and configuration. For an exact figure on a specific vehicle, consult the owner’s manual or verify against the vehicle’s labeling and VIN-specific specs.
Standard capacity
What follows summarizes the commonly cited capacity for this model year.
- 18.5 US gallons (70 liters)
In general, the 1986 Toyota Pickup used a single fuel tank of roughly 18.5 gallons, and this figure is typical across the common US-market configurations for that year. Individual trucks can vary if they were shipped to different markets or equipped with nonstandard modifications.
How to confirm the tank size for a specific vehicle
To verify the exact tank size on your particular 1986 Toyota Pickup, use these practical checks.
- Check the owner’s manual or the service manual for the official fuel-tank specification.
- Inspect the fuel tank label or stamping, which often lists capacity.
- Look up the VIN in Toyota’s parts or heritage databases to pull model-year specifics for that vehicle.
- Contact a Toyota dealership or a restoration specialist with the vehicle’s VIN for a definitive figure.
Following these steps will help confirm the precise tank size for your exact truck, especially if it’s a regional variant or a modified example.


