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2 kwi 2024 · Though Chevy's and GMC's 6.6 Liter "6600" Duramax diesel remains one of the most popular engines around, how much MPG can it really average?
Based on data from 67 vehicles, 5,244 fuel-ups and 1,964,851 miles of driving, the 2020 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.94 with a 0.10 MPG margin of error. Any Engine Type 6.6L V8 DIESEL (45) 6.6L V8 GAS (22) Any Body Style Crew Cab Pickup (17) Extended Crew Cab Pickup (1) Cab & Chassis - Crew Cab (1) Cab & Chassis ...
Based on data from 50 vehicles, 3,929 fuel-ups and 1,187,101 miles of driving, the 2021 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.64 with a 0.13 MPG margin of error. Any Engine Type 6.6L V8 DIESEL (26) 6.6L V8 GAS (24) Any Body Style Crew Cab Pickup (12) Any Submodel Custom (6) WT (7) High Country (7) LTZ (14) LT (16)
From the first generation to the one currently in production today, the 6.6L Duramax has nearly double its horsepower and torque, from 235hp and 500lb-ft. in 2001 to 445hp and 910ft-lb. today. And along the way the engine has become significantly more emissions friendly.
22 lip 2022 · For many folks, the debate between the 6.6L L8T and the L5P comes down to a preference over gas vs. diesel. While the diesel is more fuel efficient and hauls a lot more with a lower RPM, broader torque band, the gas V8 is certainly more cost-effective in terms of maintenance.
11 lip 2024 · The diesel Chevy Silverado 2500 HD (like the very similar GMC Sierra 2500 HD) uses a 6.6-liter V8 Duramax and 10-speed automatic transmission. According to the most recent fuel economy testing from Car and Driver, the diesel Silverado 2500HD gets 18 mpg in the city and 21 mpg on the highway.
3 lut 2024 · Advertisement. Diesel engines don't use spark plugs like gasoline engines, so compression ratios must be much higher to facilitate combustion. The 6.6-liter Duramax produces a 16.0:1...
