How much oil does a Subaru STI need?
The Subaru STI, a high-performance variant of the Subaru Impreza, typically requires 5 quarts (4.7 liters) of oil for a standard oil change. This oil capacity is essential for maintaining the engine's optimal performance and longevity.
Understanding the Subaru STI's Oil Needs
The Subaru STI is powered by a turbocharged 2.5-liter boxer engine, which is known for its robust and reliable design. This engine requires a specific type of oil to ensure proper lubrication and cooling, as well as to protect the engine's sensitive components from wear and tear.
Subaru recommends using a high-quality synthetic oil, such as 5W-30 or 5W-40, for the Subaru STI. The oil change interval for this vehicle is typically every 3,000 to 5,000 miles (4,800 to 8,000 kilometers), depending on driving conditions and the manufacturer's recommendations.
Factors Affecting Oil Capacity
The 5-quart (4.7-liter) oil capacity for the Subaru STI is a general guideline, but there are a few factors that can affect the exact amount of oil needed:
- Engine modifications: If the Subaru STI has been modified with performance upgrades, such as a larger turbocharger or upgraded engine components, the oil capacity may need to be adjusted accordingly.
- Oil filter size: The size of the oil filter can also impact the total oil capacity, as a larger filter may require slightly more oil to fill the system.
- Driving conditions: Aggressive driving, towing, or operating the vehicle in extreme temperatures may require more frequent oil changes and a slightly higher oil capacity to ensure proper lubrication and cooling.
It's always best to consult the owner's manual or a qualified Subaru technician to determine the exact oil capacity and recommended oil type for your specific Subaru STI model and driving conditions.
How much oil does a JDM STI take?
The manual says 4.2 US qts for non-turbo models and 4.8 qts for turbo models (4.5 liters, 4.0 lmp qt). I usually hear of people simply just putting in all 5 qts.
How much horsepower does a 2.5 L boxer have?
182-horsepower
If you choose a new Subaru Forester or Outback model, you'll get a standard 2.5-liter four-cylinder Boxer engine with 182-horsepower and 176 pounds-feet of torque.
How much oil goes in a 2.5 engine?
Capacities and Specifications - 2.5L
| Item | Capacity |
|---|---|
| Engine oil fill capacity including the oil filter. | 5 L (1.1 gal) |
| Engine oil fill capacity excluding the oil filter. | 4.6 L (1.0 gal) |
| Engine coolant fill capacity. | 6.8 L (1.5 gal) |
| Fuel tank fill capacity. | 60 L (13.2 gal) |
How many quarts of oil for STI?
4.5 quarts (with filter).
How much oil does a 2011 WRX STI take?
4.4 - 5.4 Quarts
How many gallons does a STI hold?
Fuel & MPG
254.4/349.8 mi. 15.9 gal.
How much oil does a 2.5 boxer engine take?
For the 2.5L 4-cylinder engine, the capacity is 5.1 quarts; for the 3.6L 6-cylinder engine, the capacity is 6.9 quarts. Again, you'll want to check the level to make sure you don't have too much or not enough oil.
How much oil does STI take?
4.5 quarts (with filter).
How much oil does a 6 speed STI take?
It includes four liters of Gear 300 75W90 fluid for the transmission, and one more liter for the rear differential, as specified by Subaru. This is good for most 2007+ STI cars.
Is STI 6 a speed?
The 6-speed STI box was designed by Subaru with motorsport in mind. It is by far the best and strongest gearbox Subaru have ever made, and with the highest level of operability. The six-speed gear set is nearly twice the size of the 5-speed and twice as strong.
