![]() ![]() Air Intake Upgradesīy giving your truck better airflow, you can improve both performance and gas mileage. Tuning enthusiasts often claim they can get up to 7 MPG extra through this method. That means significantly improved gas mileage. If you can tune your truck to shift the torque back to the low-end, it enables you to get more power with less energy. This conflict causes manufacturers to trade low-end torque for torque at increased RPM. At the same time, manufacturers need engines to trend towards reduced emissions. Tuning for Extra MPGĭiesel engines are designed to produce high low-end torque. It might not be enough to get your truck up to 30 MPG, but if you’re only getting 13-14 MPG, you may be able to get closer to 20. On the other hand, tuning and upgrades can give you significant MPG gains. Some of these options, like minimizing AC use, installing a bed cover, and removing the tailgate, give you very minimal MPG gains. What are your options for increasing your MPG? Some popular methods include: For example, if you drove 100 miles and it took 7.5 gallons to refill, then you’re getting about 13.3 MPG. Record how many miles you drove based on your last and current odometerĭivide how many miles you drove by the amount it took to refill your tank.Reset your trip odometer or record the mileage on your master odometer.Find Your Truck’s Current MPGīecause mileage on any vehicle can vary depending on how it’s driven and its condition, you’ll want to find out what kind of MPG you’re getting currently before making attempts to increase it. It is calculated by weighting the city value by 55% and the highway value by 45%. Combined fuel economy is a weighted average of city and highway MPG values. The 2016 GMC Canyon gets a combined average of 24 MPG, while the much larger 2016 GMC Sierra 3500 HD gets about 12.6 MPG combined. ![]() Of course, as you go further back into older models of diesel trucks and bigger Duramax engines, the fuel economy naturally goes down. The four-wheel-drive of the same model gets a bit less on the highway at 29 MPG. ![]() For example, the 2020 Chevy Silverado 1500 with the 3.0-liter Duramax turbo-diesel gets an EPA-estimated 33 MPG on the highway and 23 MPG in the city. The average MPG for a truck with a Duramax engine varies depending on the truck model as well as on which Duramax engine it has. Failing or worn Chevy Duramax parts can be culprits in reduced fuel economy. Service and maintain your Duramax truck regularly.You’ll lose roughly one percent of fuel efficiency per 10 PSI below the recommended amount. Tire pressure is most important for city driving. Brisk acceleration burns more fuel than slow and conservative acceleration. Idling burns a lot of fuel and your gas mileage will take a hit. Don’t let your truck idle for long periods of time if you can help it.General Tips for Better MPGīefore we get into upgrades and other methods, there are four tried and true tips that can coax extra gas mileage from your truck. Let’s take a look at how to get 30+ MPG with a Duramax. It may be possible to upgrade some of your diesel truck parts for better performance and fuel economy. Is it possible to increase the fuel economy of your Duramax truck using aftermarket Duramax parts? New diesel trucks are getting more expensive, so it makes sense that owners are trying to keep their older rigs on the road longer and get good gas mileage at the same time. ![]()
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