Chevrolet · 2015
Silverado K15 4WD 4.3L 6-cyl
✓ EPA Verified
Regular Gasoline
Standard Pickup Trucks 4WD
4-Wheel Drive
City
17
MPG
Combined
19
MPG
Highway
22
MPG
Annual Fuel Cost
$2,300
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$150
more per year
Class Comparison — Standard Pickup Trucks 4WD
Bottom 48%
Better than 48 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 19 MPG
This vehicle
19 MPG
Class average
22 MPG
Class lowest
12 MPG
EPA Energy & Environment Scores
4
Energy Score
Out of 10
4
GHG Score
Out of 10
475 lbs
Annual CO₂
g/mile tailpipe CO₂
No
Start-Stop
Not equipped
Vehicle Specifications
Engine4.3L 6-cyl
TransmissionAutomatic 6-spd
Drive4-Wheel Drive
Fuel TypeRegular Gasoline
Vehicle ClassStandard Pickup Trucks 4WD
TrimFFV
Engine DescSIDI; FFV
Start-StopNo
EPA Vehicle ID35574

The 2015 Chevrolet Silverado K15 4WD with the 4.3L V6 gets 19 MPG combined. This truck isn’t about maximizing fuel efficiency. It’s a workhorse offering a mix of utility and affordability. The V6 provides a decent amount of power for light-duty tasks, and the four-wheel drive adds confidence on the job site or in bad weather. Buyers in this segment want to get the job done and accept the fuel consumption as a cost of doing business. They’re focused on payload, towing, and reliability, not squeezing every last mile from a gallon.

City and highway performance

The EPA estimates for the 2015 Silverado K15 4WD with the 4.3L V6 are 17 MPG in the city and 22 MPG on the highway. The city MPG reflects the stop-and-go driving common in urban environments, where the truck’s weight and four-wheel-drive system affect fuel economy. The highway figure, while better, shows that this is a full-size truck, not a fuel-sipping sedan. Achieving 22 MPG requires maintaining consistent speeds and avoiding aggressive acceleration. Drivers with a heavy foot will see that number drop.

Annual fuel cost

The EPA estimates the annual fuel cost for this Silverado configuration at $2,300. This is based on driving 15,000 miles per year and using national average fuel prices. Your actual cost may be different depending on your driving habits and local fuel costs, but this is a helpful benchmark for budgeting. It’s a significant expense when you consider the ownership costs of a full-size, four-wheel-drive truck.

Real-world expectations

EPA estimates provide a baseline, but real-world fuel economy often differs. Driving style, terrain, load, and tire pressure all influence the numbers you see. Towing or hauling heavy loads will reduce fuel efficiency a lot, potentially dipping below the EPA estimates. Aggressive acceleration, frequent braking, and neglecting maintenance will also negatively impact your MPG. It’s wise to adjust expectations and understand that achieving those figures requires careful driving and vehicle upkeep.

How it compares

The 2015 Silverado K15 4WD with the 4.3L V6 is in the middle of its class for fuel economy. A comparable Ford F-150 with its base 3.5L V6 and four-wheel drive had similar fuel economy numbers, around 17 MPG combined. Ram 1500 models with the 3.6L V6 and 4WD produced the same 19 MPG combined. The differences are small, and the choice often comes down to brand preference, features, and price. A larger V8 engine in any of these trucks will result in lower MPG numbers. For those looking to buy a Silverado, check out SILVERADO MPG across all years.

Tips to maximize efficiency

Gentle acceleration and smooth braking can improve your fuel economy. Don’t accelerate quickly, and watch traffic to minimize unnecessary braking. Maintaining a steady speed on the highway helps, too. Every acceleration burns extra fuel, so maintain a consistent pace, especially on long trips.

Regular maintenance is key to keeping your Silverado running efficiently. Keep your tires inflated to the recommended pressure because underinflated tires increase rolling resistance and lower fuel economy. Change your engine oil and air filter as recommended, as these simple tasks improve engine performance and fuel efficiency. A well-maintained engine is an efficient engine.

Consider your driving mode. This Silverado is a 4WD model, so try to drive in 2WD as much as possible, especially on paved surfaces. Four-wheel drive on dry pavement increases friction and fuel consumption. Only use 4WD when needed, such as on slippery or unpaved roads. Some drivers may be want drive in 4WD for the added confidence, but the extra cost may deter some.

Reduce unnecessary weight. Hauling extra cargo or towing a trailer will reduce fuel economy. Remove any items you don’t need to lighten the load and improve your MPG. If you often tow, consider the weight and see if a lighter trailer can work for you. To see all Chevrolet fuel economy data, you can click here.