17 MPG combined isn’t going to win the 2017 Chevrolet Silverado K15 Cab Chassis any green awards, but that figure is largely irrelevant to its core audience. This is a work truck, a bare-bones starting point for countless upfits: dump beds, utility bodies, service platforms, and more. It’s bought by contractors, municipalities, and small businesses who need a heavy-duty, reliable workhorse capable of tackling tough jobs day in and day out. Fuel economy is a consideration, of course, but it’s far from the top of the list.

City and highway performance

The EPA estimates 15 MPG in the city and 19 MPG on the highway for this configuration of the Silverado Cab Chassis. These numbers reflect the realities of the 5.3-liter V8 under the hood, a proven and durable engine known more for its dependable power than its sipping habits. The standard six-speed automatic transmission does its part to optimize efficiency, but ultimately, the Silverado’s weight, four-wheel-drive system, and aerodynamic profile work against it. This truck is built for hard work, not setting fuel economy records.

Annual fuel cost

According to the EPA, the estimated annual fuel cost for the 2017 Chevrolet Silverado K15 Cab Chassis 4WD 5.3L 8-cyl is $2,600. This figure is based on driving 15,000 miles per year, with a mix of city and highway driving, and using the national average fuel price at the time of calculation. Individual costs will naturally vary depending on driving habits, local fuel prices, and the actual mileage driven. Fleet managers should consider that heavier loads and frequent idling will dramatically increase fuel consumption and, thus, the annual cost.

Real-world expectations

While the EPA numbers provide a baseline, real-world fuel economy for the Silverado Cab Chassis can fluctuate considerably. Drivers using the truck primarily for short trips around town, with frequent stops and starts, will likely see numbers closer to the 15 MPG city estimate, or even lower. Conversely, those who predominantly use the truck for longer highway runs, especially without heavy loads, might approach the 19 MPG highway figure. Payload, tire pressure, and driving style all play a significant role. Anyone considering this truck should factor in their specific usage patterns to get a realistic sense of what they can expect at the pump.

How it compares

Compared to its competitors, the 2017 Silverado Cab Chassis offers similar fuel economy. The Ford F-150 Chassis Cab with its available 5.0-liter V8 achieved roughly equivalent numbers for that model year. The Ram 1500 Chassis Cab, while often praised for its ride quality, also sat in the same ballpark when equipped with a V8 and four-wheel drive. For those prioritizing less gas, the modern Ford F-150 offers gasoline-turbocharged options which can achieve slightly better MPG, but often at a higher upfront cost. However, fuel economy is rarely the deciding factor. These trucks are chosen for their capability, durability, and the specific upfit options available. Explore all Chevrolet fuel economy data to see how Chevrolet MPG stacks up across the brand.

Tips to maximize efficiency

Regular maintenance is important. Ensure that the engine is properly tuned, the air filter is clean, and the tires are inflated to the recommended pressure. A well-maintained engine runs more efficiently, and properly inflated tires reduce rolling resistance, both contributing to improved fuel economy.

Avoid excessive idling. The 5.3-liter V8 consumes a surprising amount of fuel when idling, especially for extended periods. When possible, shut off the engine instead of leaving it running while stopped, particularly on job sites.

Drive conservatively. Aggressive acceleration and hard braking significantly decrease fuel efficiency. Maintain a steady speed and anticipate traffic flow to minimize unnecessary acceleration and deceleration. Gentle throttle inputs will help conserve fuel.

Plan your routes carefully, especially in urban environments. Avoiding congested areas and construction zones can minimize stop-and-go driving, which is a major fuel economy killer. Using navigation apps to find the most efficient routes can save both time and fuel. Remember to check SILVERADO MPG across all years if you’re considering options from other model years.

Consider the weight you’re carrying. While these chassis are designed for heavy-duty work, constantly hauling unnecessary weight takes a toll on fuel economy. Remove any non-essential equipment or materials from the truck bed to reduce the load on the engine.