Open Today Sales: 8:30 AM-7 PM
2026 SILVERADO 1500 • FUEL ECONOMY
The 2026 Silverado 1500 does not have one fuel-economy rating. Engine, drivetrain, tires, packages and configuration affect the EPA label. If you commute across St. Louis and also need a truck for a boat, jobsite or family trips, compare the actual stock trucks and their labels before deciding whether the monthly fuel cost is worth a particular capability.
Explore Silverado Trucks
Request an MPG Comparison
EPA estimates are comparison tools, not a prediction of your actual fuel use. Confirm the label and window sticker on each stock vehicle.
Silverado 1500 is a broad truck family, not one EPA test vehicle. Chevrolet offers more than one powertrain, two- and four-wheel drive configurations, and different cab, bed, tire and appearance choices. A trim name by itself does not establish an EPA rating. The fuel-economy label belongs to the certified configuration, so two trucks with the same trim badge can have different posted figures.
An off-road ZR2 badge does not mean that truck leads the Silverado lineup in fuel economy. Off-road hardware, tires, engine and drivetrain choices create a different efficiency tradeoff. Compare the exact engines, drivetrains and EPA labels of real stock vehicles instead of assigning one mileage figure to an entire trim. Ask for photos of the window stickers when shopping remotely.
Identify the engine installed in the VIN; do not infer it from the trim name.
Compare the actual 2WD or 4WD EPA label, not a generic truck average.
Tires, off-road packages and other configurations affect which rating applies.
Chevrolet offers the TurboMax gasoline four-cylinder, a 5.3L V8, an available 6.2L V8 and an available 3.0L Duramax turbo-diesel across the 2026 Silverado 1500 lineup, with availability depending on the chosen trim and configuration. The best engine for you depends on driving pattern, trailer needs, purchase price, fueling, maintenance and the actual truck in stock.
A shopper who drives long highway distances may value an available Duramax configuration. Someone with short local trips or a particular tow package may favor a different engine. Compare at least two appropriately equipped trucks on total ownership cost. A headline MPG figure should never override the payload and trailering requirements of the work you actually perform.
Chevrolet currently cites EPA-estimated highway fuel economy of 28 mpg for a qualifying 2026 Silverado 1500 with available 3.0L Duramax and 2WD, and 26 mpg highway for a qualifying 4WD configuration on its 2026 truck comparison. These are specific highway estimates with conditions, not combined MPG or ratings for every diesel Silverado.
If a particular 2026 truck is rated differently because of its equipment or certification, use its own label. Compare city, highway and combined figures separately. A shopper commuting through Creve Coeur or on I-270 will not necessarily duplicate either highway estimate; traffic, speed, weather, load and driving habits all change actual results.
First, write down the VIN, engine, drivetrain and stock number for every truck you want to compare. Second, ask Weber Chevrolet for that vehicle’s window sticker and EPA fuel-economy label. Third, use the federal FuelEconomy.gov vehicle search to verify the relevant model-year configuration, including whether a listing covers two- or four-wheel drive.
If a label differs from a web table, resolve the discrepancy before using it in a purchase comparison. The selected vehicle’s sticker and its certified configuration should control. Ask the dealership to explain any difference between marketing figures and the actual vehicle; model-line maxima and magazine tests are not a substitute for the government estimate printed with the truck.
Use the combined EPA number as a starting comparison, then account for the driving you actually do. A regular trip from St. Charles to Creve Coeur combines highway movement with ramps, stoplights and variable traffic. Short errands in West County may be more city-heavy. A loaded trip across Missouri with a trailer will have a different result from an unladen weekday commute.
A simple planning estimate is annual miles divided by your reasonable expected MPG, multiplied by the fuel price you want to use. Run the estimate for two trucks and then compare the fuel-cost difference with their actual purchase prices, equipment and expected maintenance. Avoid presenting the calculated total as a guarantee, especially when towing or idling is a major part of your use.
A truck selected to move a camper or work trailer must meet the correct loaded weight and hitch requirements first. Verify the exact truck’s trailering chart, payload label, axle, engine, cab, bed and installed equipment. An efficient engine may have a different maximum trailering configuration from a truck with another drivetrain. Loaded trailers also increase real-world fuel consumption, often substantially.
Use the Silverado 1500 trailering guide for the right questions, then ask the team to identify the applicable row for the VIN under consideration. If your workload suggests a heavy-duty vehicle, compare the Silverado 1500 versus 2500 HD decision before choosing light-duty solely because of an MPG estimate.
A ZR2, Trail Boss or other off-road-oriented Silverado may be the right purchase for someone who uses the terrain capability. It should be evaluated as that package, with its tires, ground clearance, ride and specific EPA label, rather than advertised as the automatic high-MPG choice. Similarly, a premium trim is not inherently less or more efficient than every work truck; actual powertrain and certification matter.
Sit in each candidate, check bed length and cab fit, and drive a route that resembles your routine. If a smaller pickup could meet your task, compare a Colorado; if you regularly carry heavy payload, compare an HD truck. The best fuel-economy decision often begins by choosing the right class and engine for work rather than hunting the largest isolated number.
There is no single rating. EPA estimates depend on the truck’s engine, drivetrain and certified configuration. Check the exact vehicle label.
Do not assume that. An off-road configuration should be judged against its own EPA label and the equipment you need.
No. Chevrolet cites 28 highway for a qualifying 2WD Duramax configuration, not every diesel Silverado or every driving situation.
Probably not. A loaded trailer, grade, wind, speed and cargo can materially change actual consumption.
Yes. Send the stock numbers and ask for each VIN’s engine, drivetrain, label and written price to make a useful comparison.
Weber Chevrolet at 12015 Olive Boulevard in Creve Coeur serves Silverado shoppers across St. Louis and St. Charles County. Send us your annual miles, regular trip, towing needs and two preferred stock numbers. We can help identify the labels and equipment to compare. Confirm availability before traveling, because a model-line description does not show what is currently on the lot.
Start with Silverado shopping, estimate trade value using the trade tool, and ask for a side-by-side vehicle comparison. For current manufacturer claims, review Chevrolet’s 2026 Silverado page. The information on this page was reviewed September 30, 2026; check the actual label when you purchase.
WEBER CHEVROLET • CREVE COEUR • ST. LOUIS AREA
Tell Weber Chevrolet which two Silverado trucks interest you and how you use a pickup. We will help you compare the EPA labels, capability and complete written prices before you choose a truck for your St. Louis routine.
