Will the 2025 4Runner require premium fuel?
In short, no. The 2025 4Runner does not require premium fuel; regular unleaded gasoline (87 octane) is sufficient for daily driving.
Fuel requirements for the 2025 4Runner
Toyota’s guidance for the 4Runner has historically been that regular gasoline is suitable, with premium not required. The engine is designed to run on standard 87-octane fuel, and most drivers will not notice a meaningful power or efficiency gain from using higher-octane gasoline in everyday use. The 4Runner accepts common ethanol blends such as E10 in markets where it’s available.
Before you review the fuel options, here is a clear overview of how octane and fuel type apply to the 2025 4Runner.
- Regular unleaded gasoline with an octane rating of 87 is sufficient for normal driving.
- Premium gasoline (91–93 octane) is not required and typically does not provide a meaningful performance improvement in the standard 4Runner engines.
- Gasoline containing up to 10% ethanol (E10) is compatible with the 4Runner as sold in most markets.
- If you tow heavy loads or operate under sustained high-load conditions and notice knocking or pinging with regular fuel, you can consider premium—but there is no guaranteed power gain, and following the manufacturer’s guidance is advised.
Bottom line: For most owners, regular 87-octane fuel meets the 2025 4Runner’s needs. Premium can be used at your discretion, but it is not a requirement and rarely delivers noticeable benefits in everyday use.
Model-year consistency and trims
As of the 2025 model year, all 4Runner trims share the same 4.0-liter V6 powertrain and the same basic fuel requirements. There are no turbocharged, hybrid, or high-compression variants in the current lineup that would mandate premium fuel, so the recommendation remains the same across SR5, TRD Off-Road, TRD Pro, and other configurations.
Summary
The 2025 Toyota 4Runner does not require premium fuel. Regular 87-octane gasoline is appropriate for normal driving and most uses, with premium available only at your discretion and not guaranteed to yield noticeable performance gains. Always follow the official owner’s manual for the latest guidance, and consider your specific driving conditions when choosing fuel.
