Big and brash as ever, the GMC Sierra 2500 carries over for 2022 with no significant changes. One step below the pinnacle Denali grade, the AT4 is this truck's off-road focused model, which boasts ...

The new AT4X takes the AT4's off-road capabilities to a new level ... The V6 engine is no longer available. 2022 GMC Sierra 2500/3500 Heavy Duty Changes - Find the best GMC deals! The GMC Sierra ...

The fully refreshed 2022 GMC Sierra 1500 once again offers the AT4 off-roading trim level, as well as a long list of updates and changes over the preceding 2021 model year and pre-refresh 2022 GMC ...