15 MPG combined requires context when discussing the 2015 Nissan Armada 2WD. This isn’t a Prius competitor; it’s a body-on-frame SUV built for serious towing, hauling families, and traversing terrain that would challenge a crossover. The Armada’s fuel economy is a result of its design, a compromise buyers accept to gain its strong capabilities.

City and highway performance

The EPA estimates for the 2015 Armada 2WD with the 5.6L V8 are 13 MPG in the city and 19 MPG on the highway. The city figure reflects the demands placed on the five-speed automatic transmission and the engine’s displacement when navigating stop-and-go traffic. Highway efficiency, while still relatively low, is better due to consistent speeds and less frequent acceleration. These numbers are for the two-wheel drive version; four-wheel drive will decrease fuel economy.

Annual fuel cost

The EPA estimates an annual fuel cost of $2,900 for the 2015 Nissan Armada 2WD. This is based on driving 15,000 miles per year and using the national average fuel price at the time of calculation. Individual fuel costs will vary based on driving habits, local fuel prices, and the type of fuel used. Drivers who frequently tow or spend time in heavy traffic should anticipate spending more.

Real-world expectations

While the EPA numbers provide a baseline, real-world fuel economy for the 2015 Armada can change. Drivers who use the Armada primarily for short trips, city driving, or frequent towing are likely to see figures closer to, or even below, the 13 MPG city estimate. Those who predominantly drive on the highway, maintain consistent speeds, and avoid aggressive acceleration may get closer to the 19 MPG highway figure. The vehicle’s weight and the engine’s thirst mean consistent MPG requires effort.

How it compares

Fuel economy is rarely a strength of full-size SUVs, but understanding the Armada’s position relative to its competitors is important. The 2015 Chevrolet Tahoe 2WD with the 5.3L V8 is rated at 16 MPG combined, a slight improvement over the Armada. The Ford Expedition 2WD, also equipped with a V8, achieves similar numbers. These differences are not significant, but they are worth considering. One reason the Armada is so poor is the older 5-speed transmission. Competitors with 6-speed or more transmissions typically outperformed the Armada in stop-and-go or low speed environments.

Tips to maximize efficiency

Expecting hybrid-like fuel economy from the Armada is unrealistic, but there are ways to improve its efficiency. Avoid aggressive acceleration and braking, as the large engine is very sensitive to throttle inputs. Gradual acceleration improves MPG and ensures a smoother and potentially safer driving experience.

Ensure the tires are properly inflated to the recommended pressure. Underinflated tires increase rolling resistance and reduce fuel economy. Consult the sticker on the driver’s side doorjamb for the correct tire pressure specifications for your Armada.

Reduce unnecessary weight. Carrying extra cargo increases the load on the engine, impacting fuel consumption. Remove any items from the vehicle that are not essential, especially if you are primarily driving in the city.

Plan your trips strategically. Combining multiple errands into a single trip minimizes cold starts, which consume more fuel. Using route planning apps to avoid traffic congestion can also improve MPG, especially in urban environments.

Regular maintenance is crucial. Ensure the engine oil is changed according to the manufacturer’s recommendations, and keep the air filter clean. A well-maintained engine runs more efficiently and helps maximize fuel economy. For all Nissan fuel economy data, see our brand overview page. And to see the ARMADA MPG across all years, see our historical model data.