21 MPG combined isn’t going to win any fuel economy awards, but it’s a perfectly reasonable number for the 2015 Chevrolet Colorado 4WD with the 2.5L four-cylinder engine. This isn’t a hybrid, it isn’t a compact sedan, and it isn’t trying to be something it’s not. It’s a capable, mid-size pickup truck designed for folks who need a bed, the ability to tow, and the confidence of four-wheel drive without the bulk and thirst of a full-size pickup. The fuel economy is simply a trade-off they’re willing to make.

City and highway performance

The EPA breaks down the Colorado’s fuel economy further, offering a glimpse into how it performs in different driving conditions. In the city, expect around 19 MPG. This reflects the stop-and-go nature of urban driving, where the engine spends more time idling and accelerating. When you hit the open road, the Colorado 4WD offers a more respectable 24 MPG on the highway. This improvement is due to the consistent speeds and reduced need for acceleration, allowing the engine to operate more efficiently. While these numbers are EPA estimates, they provide a useful benchmark for comparing fuel economy across different vehicles and understanding how the Colorado will perform in your typical driving environment. Keep in mind that payload, driving style, and tire pressure will all affect your mileage.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2015 Chevrolet Colorado 4WD with the 2.5L engine will be $2,100. This calculation is based on driving 15,000 miles per year, with a mix of city and highway driving, and using national average fuel prices. While your actual fuel costs will vary depending on your driving habits and local fuel prices, this figure provides a helpful benchmark for budgeting. Buyers will factor this cost into their overall ownership expenses, alongside insurance, maintenance, and potential repairs.

Real-world expectations

EPA estimates are a useful starting point, but anecdotal evidence suggests that real-world mileage can vary, often falling slightly below the official numbers. Those who frequently use the four-wheel drive system, carry heavy loads, or drive aggressively can expect to see a dip in fuel economy. Conversely, those who drive primarily on the highway and maintain a steady speed may be able to achieve figures closer to the 24 MPG highway estimate. The key is to be realistic about your driving habits and understand that external factors can significantly impact your fuel consumption. A lighter foot on the accelerator and proper maintenance will directly translate to savings at the pump.

How it compares

Compared to its competitors, the 2015 Chevrolet Colorado 4WD 2.5L holds its own, but doesn’t necessarily lead the pack. For example, a similarly equipped 2015 Toyota Tacoma 4WD with the 2.7L four-cylinder offered a nearly identical 21 MPG combined, though some drivers found the Colorado’s six-speed automatic to be slightly more refined than the Tacoma’s equivalent. The Nissan Frontier, another popular mid-size truck, typically offered slightly lower fuel economy in its four-cylinder 4WD configurations, closer to 19 or 20 MPG combined. This comparison matters to buyers who are looking for a balance between capability and fuel efficiency, recognizing that these trucks serve a utilitarian purpose and aren’t primarily focused on maximizing MPG. You can find all Chevrolet fuel economy data on our site to broaden your knowledge.

Tips to maximize efficiency

The 2.5L four-cylinder in the Colorado benefits greatly from a gentle driving style. Avoid excessive acceleration and maintain a steady speed whenever possible. Anticipating traffic flow and avoiding sudden braking will also contribute to improved fuel economy, allowing the engine to operate more efficiently.

Proper tire inflation is critical for maximizing fuel efficiency. Check your tire pressure regularly and inflate your tires to the recommended pressure indicated on the sticker inside the driver’s side door. Under-inflated tires create more rolling resistance, which decreases fuel economy and can lead to premature tire wear.

Minimize unnecessary weight in the truck bed. Extra weight increases the amount of energy required to move the vehicle, which directly impacts fuel consumption. Removing tools, equipment, or other items that you don’t need on a regular basis will lighten the load and improve MPG.

Regular maintenance, including oil changes and air filter replacements, ensures that the engine is running at peak efficiency. A clean air filter allows the engine to breathe easier, while fresh oil reduces friction and helps maintain optimal performance. Consult your owner’s manual for the recommended maintenance schedule. Looking at the COLORADO MPG across all years can offer more insight as well.