GMC Yukon Gas Tank Size (2002 2025) Fuel Tank Capacity Data

When it comes to fueling your GMC truck, the type of gas you use can make a big difference—especially if you're behind the wheel of a high-performance model like the GMC Sierra 1500 or Canyon. In 2025, many GMC trucks are equipped with powerful engines that require premium fuel to deliver optimal performance, fuel efficiency, and longevity. But how do you know which trucks need it, and why.. GMC Yukon Fuel Requirements Based on Generation and Engine Option Most engine options of all GMC Yukon generations require a minimum of 87-octane gasoline. However, those equipped with either an 8.1-liter V8 or a 6.2-liter V8 require premium 93-octane fuel. GMC Yukon models with diesel engines require ultra-low sulfur diesel fuel (ULSD) with a maximum of 15 ppm.

Does the GMC Yukon Have Good Gas Mileage? The GMC Yukon has relatively good gas mileage, considering the class of vehicle, and you can see how it varies between engine size and generation below. You can also check out this quick video for a real world test of gas mileage:. The GMC Yukon is a powerful and capable SUV, known for its spacious interior, luxurious features, and impressive towing capacity. But when it comes to fueling this behemoth, a common question arises: does GMC Yukon take premium gas? The answer, while seemingly straightforward, is a bit more nuanced than a simple yes or no.