Some required 93 and some required 87, depends on model and year
The official octane requirement for a 1997 Cadillac Catera is 87 octane, which is considered regular unleaded fuel. However, using premium gasoline (91 octane or higher) may provide better performance and fuel efficiency due to the vehicle's design. Always refer to the owner’s manual for specific recommendations regarding fuel types.
Cadillac recommends you use Premium fuel of 91 octane.
No. 91 octane is the minimum. I notice a huge difference in the way a Cadillac runs on 87. I always put 93 octane in Cadillac Fuel systems.
91 Octane Premium Fuel. Use nothing less or nothing higher.
Premium is recommended for the ETC models
The O2 sensor on a 2003 Cadillac Northstar engine is located in the exhaust manifold. The readings from this sensor are sent to the vehicle's computer, which makes constant adjustments to the fuel and air mixture.
Fuel Requirement unleaded premium, 92 octane
91 or higher octane fuel
1998 and 1999 caddys with the LD8 AND L37 (NORTHSTAR) ENGINES.
This car is recommended for 91 octane
All Subaru SVX engines were designed to run on premium fuel of 93 octane.
The 2002 Cadillac Escalade typically requires premium unleaded gasoline with an octane rating of 91 or higher. While it may run on lower octane fuel, using premium is recommended to optimize performance and engine efficiency. Always consult the owner’s manual for specific fuel recommendations.