Owners of the 2020 GMC Yukon C1500 2WD with the 5.3L V8 get 18 MPG combined. This isn’t a Prius, and nobody buying a full-size, body-on-frame SUV expects it to be. It’s a trade-off: massive passenger and cargo space, serious towing capability, and the undeniable presence that only a large truck-based SUV can deliver. Yukon buyers need these attributes, and they accept the fuel consumption as the price of admission.

City and highway performance

The EPA estimates the 2020 GMC Yukon C1500 2WD 5.3L at 15 MPG in the city and 22 MPG on the highway. The six-speed automatic transmission plays an important role in achieving these figures. It provides relatively close gear ratios for confident acceleration around town, and it allows the engine to cruise at lower RPMs on the open road. Drivers will find that the highway MPG is achievable on longer road trips, but aggressive driving, short trips, and heavy loads (passengers, cargo, or a trailer) will quickly diminish fuel economy in both city and highway settings.

Annual fuel cost

The EPA calculates the annual fuel cost for the 2020 GMC Yukon C1500 2WD 5.3L at $2,450. This figure is based on driving 15,000 miles per year, using the EPA fuel economy estimates (15 MPG city/22 MPG highway, resulting in 18 MPG combined), and using the national average fuel price at the time of calculation. Your actual fuel costs will vary depending on your driving habits, the type of fuel you buy, and prevailing fuel prices in your area. This $2,450 figure serves as a useful benchmark when comparing the Yukon to other vehicles.

Real-world expectations

While the EPA numbers provide a baseline, real-world MPG for the 2020 GMC Yukon C1500 2WD 5.3L typically falls within a fairly wide range. Owners report numbers closer to 13-16 MPG in primarily city driving and around 19-21 MPG on the highway during long trips. Towing significantly impacts fuel economy, often dropping it into the single digits. All Gmc fuel economy data indicates that larger vehicles will inherently consume more fuel, which is why this Yukon is one of the least efficient options from GMC.

How it compares

Compared to other full-size SUVs, the 2020 GMC Yukon C1500 2WD 5.3L’s fuel economy is largely comparable. The Ford Expedition 2WD with its 3.5L EcoBoost V6 manages around 17 MPG city and 23 MPG highway, a slight advantage. The Chevrolet Tahoe, mechanically similar to the Yukon, achieves nearly identical MPG figures. The Nissan Armada, with its standard V8, lags behind at around 14 MPG city and 19 MPG highway. This difference matters to even Yukon buyers who prioritize capability. A few MPGs here contributes to reducing the annual fuel expense during ownership.

Tips to maximize efficiency

Avoid aggressive acceleration. The 5.3L V8 has ample power, but each stomp of the gas pedal consumes fuel. Gently accelerate from stops and maintain a consistent speed. This vehicle’s weight and frontal area create a lot of drag, so every additional MPH exponentially increases fuel consumption.

Proper tire inflation is crucial. Check your tire pressure regularly and maintain the pressures recommended on the door jamb sticker. Underinflated tires increase rolling resistance and decrease fuel economy. Even a few PSI can make a noticeable difference, improving your YUKON MPG across all years.

Minimize idling. Idling burns fuel without covering any ground. If you’re stopped for more than a minute, turn off the engine. Modern vehicles are designed to restart quickly and reliably, so there’s no need to let the engine run unnecessarily.

Plan your trips efficiently. Combine errands into a single trip to reduce cold starts. Cold starts are particularly fuel-inefficient as the engine management system enriches the fuel mixture to help the engine warm up quickly. Route optimization will reduce your number of cold starts, and thus improve your efficiency ratings.