Motul 300V Competition Engine Oil – 5W-30 / 5W-40 / 15W-50 – Ester Core Race Oil

Motul 300V Competition engine oil is a premium ester-based lubricant engineered for high-performance Subaru builds and motorsport applications.

Designed to perform under extreme heat, high RPM, and aggressive driving conditions, 300V delivers superior oil film strength, stable oil pressure, and consistent protection where standard oils begin to break down.

Built using Motul’s Ester Core technology, this oil is trusted in racing environments and is ideal for tuned WRX and STI setups, track-driven vehicles, and high horsepower builds.

Performance tier

Top tier – race / high performance

Developed for built engines, upgraded turbo setups, and aggressive driving conditions where maximum protection and consistency are required

Variants

5w-30 – 2 liter
Best for higher revving setups and balanced performance
Commonly used in lightly built engines and track applications

5w-40 – 2 liter
Most popular choice for performance subaru builds
Ideal balance of protection, oil pressure, and drivability
Recommended for tuned street cars and track use

15w-50 – 2 liter
Designed for extreme heat and high horsepower builds
Best for fully built motors and dedicated track use
Not recommended for daily driving or cold climates

Features

Ester core technology for maximum lubrication and film strength
Maintains oil pressure under high load and temperature
Excellent shear stability for consistent performance
Designed for motorsport and high stress environments

Fitment

Subaru WRX 1992–2021
Subaru STI 1994–2021
EJ and FA engine platforms

Compatible with stock, tuned, and built engines depending on viscosity selection

Specifications

Type: 100% synthetic ester-based
Viscosities available: 5w-30 / 5w-40 / 15w-50
Available size: 2 liter can (2.11 us qt)
Brand: motul

How much do you need

Most subaru engines require approximately 4.8 quarts of oil

Recommended purchase: 3 cans for a complete oil change

Note

This is a motorsport-grade oil. for daily driving or stock vehicles, a motul 8100 series oil may be more suitable

Not sure what to run? message us and we’ll recommend the right setup for your build

Recommended pairings

Motul gear 300 75w-90
Motul rbf 600 or rbf 660 brake fluid
Motul motocool coolant