What Fuel Is Recommended for the Cadillac CTS?by Robert Tomashek
Coming up with a complete package of a 318-horsepower V-6 engine that can get as many as 27 mpg on the highway is exactly what Cadillac did for your 2014 CTS. This is a great achievement, especially on the recommended 87 octane fuel.
CTS fuel requirements.
Your car requires the use of 87 octane fuel or higher. It is also required that you use a top-tier gasoline, which means that it is made with detergents to keep the fuel system clean.
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