If you're referring to a 2022 GMC Sierra 1500 Elevation 4WD with the 3.0L Duramax diesel, here are the key specs:Engine: 3.0L Duramax turbo-diesel inline-6 (not a V6)
Power: 277 hp and 460 lb-ft of torque
Transmission: 10-speed automatic with the Duramax engine
Drivetrain: 4WD
EPA fuel economy (4WD): approximately 22 mpg city / 26 mpg highway
Maximum towing: up to about 8,8009,300 lbs depending on configuration and options
Owner feedback is generally very positive regarding fuel economy and low-end torque. Many drivers report highway mileage in the upper 20s to low 30s mpg under favorable condition.
