17 MPG combined. That’s the headline for the 2017 Chevrolet Colorado ZR2 4WD with the 3.6L V6, and let’s be honest, no one buying this truck is prioritizing fuel efficiency. This isn’t your average commuter pickup. The ZR2 is a purpose-built off-road machine designed to tackle challenging terrain, and its fuel economy reflects that. This truck’s exceptional off-road capabilities are a trade-off for fuel economy and make it a supremely competent weekend warrior that just happens to be street legal.

City and highway performance

The EPA estimates for the Colorado ZR2 break down to 16 MPG in the city and 18 MPG on the highway. These figures are a direct result of the truck’s off-road focus. The aggressive suspension, wider track, and knobby tires all contribute to increased rolling resistance and aerodynamic drag compared to a standard Colorado. While these features are essential for conquering trails, they hinder efficiency on paved surfaces. The 8-speed automatic transmission does its best to keep the engine running well, but ultimately, physics prevail. This powertrain is more concerned with power and durability than squeezing every last mile out of a gallon.

Annual fuel cost

According to the EPA, the annual fuel cost for the 2017 Chevrolet Colorado ZR2 is approximately $2,600. This figure is based on driving 15,000 miles per year, with an assumed fuel price reflecting national averages. Keep in mind that this is an estimate; your actual fuel costs will vary depending on your driving habits, the type of terrain you encounter, and local fuel prices. If most of your driving is off-road or involves frequent towing, expect to exceed this estimate. Conversely, drivers who primarily use the ZR2 for shorter trips and baby the throttle could see slightly lower fuel expenses. But again, let’s be realistic—if you’re worried about saving money on gas, this is likely not the truck for you.

Real-world expectations

While the EPA estimates provide a benchmark, real-world driving conditions often deviate significantly. ZR2 owners report a wide range of fuel economy figures, depending on their driving style and typical usage. Expect the lower end of the spectrum when tackling challenging off-road trails or engaging in spirited driving. Conversely, highway-only driving at moderate speeds might yield slightly better results than the EPA estimate, but don’t expect miracles.

Load, aftermarket accessories (roof racks, skid plates) and tire pressure all have a large impact for the ZR2 driver. The best advice is to monitor your fuel consumption over time and adjust your driving habits accordingly. Just remember that the Colorado ZR2 is designed for adventure, not hypermiling.

How it compares

Compared to other mid-size trucks, the Colorado ZR2’s fuel economy is on the lower end. A standard 2017 Colorado 4WD with the same 3.6L V6 engine achieves around 20 MPG combined, a noticeable improvement over the ZR2. The Toyota Tacoma TRD Off-Road, a key competitor, manages around 19 MPG combined with its 3.5L V6. The Nissan Frontier (though long in the tooth), averages around 17 MPG combined with its V6 engine. Considering that a Ford Ranger with its turbocharged 2.3L EcoBoost can hit 22 MPG combined, the ZR2’s shortcomings are substantial.

Buyers who are cross-shopping should weigh the value of the ZR2’s off-road capability against the savings that they may see with all Chevrolet fuel economy data.

Tips to maximize efficiency

While the Colorado ZR2 isn’t known for its fuel efficiency, there are a few steps you can take to minimize your fuel consumption. First, maintain proper tire inflation according to the manufacturer’s recommendations. Underinflated tires increase rolling resistance, which directly impacts fuel economy. It’s a simple step that can make a noticeable difference, especially with the ZR2’s aggressive off-road tires.

Avoid unnecessary idling. Letting the engine run while stationary consumes fuel without covering any distance. If you’re going to be stopped for more than a minute or two, it’s better to turn off the engine. While the Colorado’s V6 is fairly smooth, there’s no reason to let it waste fuel while waiting.

Reduce aerodynamic drag. The ZR2’s wider stance and taller ride height already negatively impact aerodynamics. Removing unnecessary items from the roof or bed can help streamline the airflow and minimize drag. Also, consider removing the roof rack when it’s not in use.

Monitor your driving habits. Aggressive acceleration and hard braking consume more fuel than smooth, gradual inputs. Drive predictably and anticipate traffic conditions to maintain a steady speed. The ZR2’s suspension is designed to absorb bumps, but it can’t compensate for reckless driving.

Finally, consider the terrain. Off-road driving inherently consumes more fuel than highway driving. If you’re looking to maximize fuel economy, choose routes that minimize off-road sections. Even a ZR2 needs pavement to be efficient (relatively speaking).

The 2017 Chevrolet Colorado ZR2 is not a vehicle bought with mileage in mind. If one has to choose between serious competence and sipping fuel, performance will win every single time for the ZR2 buyer. For more information, see our COLORADO MPG across all years.