GMC Sierra 2500HD 
Designed for drivers who need to haul and tow heavy loads, the GMC Sierra HD offers a choice of 6.6-litre gasoline and diesel engines. Maximum towing capacity is rated at up to 36,000 pounds. Making things easier are multiple towing assist technologies and GMC’s six-position MultiPro tailgate. A significantly upgraded Sierra HD will hit the market in 2023 as a 2024 model.
Pros
- Civilized driving despite the size
- Fuel consumption below industry average (Duramax)
- Great robustness
- Low depreciation
Cons
- Aging interior
- Very high fuel consumption (V8 petrol)
- Many expensive options
