How many miles per gallon does a 6.6 gas Silverado get?
The 2023 Chevrolet Silverado 1500 with the 6.6-liter gas engine is rated to achieve an average of 16 miles per gallon (mpg) in combined city and highway driving. This fuel economy figure is based on official EPA estimates for the Silverado 1500 with the 6.6L V8 gasoline engine and rear-wheel drive configuration.
Detailed Fuel Economy Breakdown
The 2023 Chevrolet Silverado 1500 with the 6.6-liter gas engine has the following EPA-estimated fuel economy ratings:
- City Driving: 15 mpg
- Highway Driving: 18 mpg
- Combined City/Highway: 16 mpg
These figures represent the average fuel economy you can expect from a 2023 Silverado 1500 equipped with the 6.6L V8 gasoline engine and rear-wheel drive. Actual mileage may vary depending on driving conditions, driving habits, and other factors.
Factors Affecting Fuel Economy
Several factors can impact the real-world fuel economy of the 2023 Chevrolet Silverado 1500 with the 6.6L gas engine, including:
- Driving Conditions: Driving in stop-and-go city traffic, on hilly terrain, or at high speeds can all reduce fuel efficiency compared to the EPA estimates.
- Payload and Towing: Carrying heavy loads or towing a trailer will decrease the Silverado's fuel economy.
- Driving Habits: Aggressive acceleration, frequent braking, and idling can all negatively impact fuel economy.
- Vehicle Maintenance: Proper tire inflation, wheel alignment, and engine tuning can help maximize fuel efficiency.
By being mindful of these factors, Silverado owners can work to achieve fuel economy results that are closer to the EPA's estimates.
Comparing to Other Engines
It's worth noting that the 6.6L gas engine is not the only powertrain option available for the 2023 Chevrolet Silverado 1500. The truck is also offered with a 2.7L turbocharged four-cylinder engine, a 5.3L V8, and a 3.0L Duramax diesel engine, each with their own unique fuel economy ratings. Buyers should research and compare the different engine options to find the best balance of power and efficiency for their needs.
How to get better fuel mileage on 6.6 gas?
How to Improve Gas Mileage in 6 Easy Ways
- Keep up with regular maintenance.
- Limit idling.
- Remove excess weight.
- Drive at a steady speed.
- Plan ahead.
- Coast when possible.
What are the problems with the GM 6.6 gas engine?
Struggling with GM 6.6 gas engine issues? Common challenges include faulty sensors, excessive oil consumption, and spark plug failures. Haynes Manuals provides detailed solutions to keep your engine running smoothly.
What is the towing capacity of the GM 6.6 gas engine?
The first is a 6.6-liter V-8 engine making 401 horsepower and 464 pound-feet of torque, helping achieve a maximum conventional towing capacity of up to 14,500 pounds.
What is the average mpg for a 6.6 gas engine?
You can expect the gas mileage of a Chevy 6.6 engine to vary, but without pulling anything you would get about 14 mpg on average. However, it has to be remembered that this engine is made for performance and going fast, not necessarily getting the best fuel mileage.
What is the gas mileage on a Sierra 2500 6.6 L V8?
Based on data from 97 vehicles, 2,548 fuel-ups and 916,995 miles of driving, the 2024 GMC Sierra 2500 HD gets a combined Avg MPG of 13.72 with a 0.13 MPG margin of error. Below you can see a distribution of the fuel-ups with 18 outliers (0.70%) removed.
What is the life expectancy of a 6.6 L V8 gas engine?
around 200,000 miles
Overall, the average life expectancy of a 6.6 Duramax engine falls around 200,000 miles or 320,000 km, depending on driving behaviours, usage, and how often the engine is maintained.
Can you run 87 octane in 6.2 Silverado?
If you have the available 5.3-liter V8 engine or 6.2-liter V8 engine, Chevrolet recommends using mid-grade 89 octane gasoline or higher for optimal performance and fuel efficiency. These powerful V8 engines can also run on regular 87 octane in a pinch as you adventure around Lake Havasu City.
Does the 6.6 gas engine require premium gas?
87 is just the minimum they require, you can always go higher as the computers will adjust, but its not needed.
Is the Chevy 6.6 gas motor any good?
The 6.6 gas does well for what it is, matched with the 10 speed aids in a lot of missing power that the 6 speed had, plus no longer 4k rpms when towing heavy. Id say the gassers more worth it for many over the duramax, the 10k extra is steep especially on high trims.
Can you get an Allison transmission with a 6.6 gas engine?
And is it actually the same Allison 10-speed transmission that's in behind the Duramax. Diesel.
