The Pontiac Vibe GT with the (1.8L 4cyl ) requires Premium Unleaded. The use of Regular Unleadedmay lead to predetonation or what is commonly called pinging. Although you may not be able to hear it, itmay be there. The Vibe's fuel/air managment system may be able to adjust for the regular fuel somewhat but at a cost of mileage and power. The engine requires Premium fuel, so burn Premium fuel. Burn Regular Unleaded and you risk engine damage.
Regular unleaded.Regular unleaded.
1995-2002 requires Premium Unleaded. 2003 requires Regular Unleaded.
In 2003, the average price per gallon of regular unleaded gas was $1.59
The 2003 Chevrolet Malibu runs on regular unleaded.
The 2003 Volkswagen Jetta runs on regular unleaded.
The 2003 Ford Expedition runs on regular unleaded.
The 2003 Buick Regal runs on regular unleaded.
The 2003 Dodge Durango runs on regular unleaded.
The 2003 Ford Mustang runs on regular unleaded.
The 2003 GMC Savana runs on regular unleaded.
The 2003 Cadillac CTS runs on regular unleaded.
The 2003 Subaru Impreza runs on regular unleaded.