Question: can a wrx run on regular gas?
Answer: 5. Does My Car Need Premium Gas? Most gas stations have regular unleaded, mid-grade, and premium gas. ... This varies by model: while most Subaru models only require 87 octane gas, the latest Subaru WRX requires at least 91 octane, while the Subaru WRX STI and the Subaru BRZ both require at least 93.