The GMC Sierra 1500 has evolved significantly since its introduction, with each generation bringing new features, improved performance, and enhanced capabilities. This article compares all generations of the GMC Sierra 1500, focusing on key aspects such as engine options, dimensions, and notable features. All measurements are provided in metric units.

1st Generation GMC Sierra (1988-1998)

• Platform: GMT400
• Key Features:
  • First generation to bear the Sierra name
  • Improved aerodynamics compared to predecessors
  • Introduction of extended cab option

Engine Options:

• 4.3L V6: 119 kW (160 hp)
• 5.0L V8: 130 kW (175 hp)
• 5.7L V8: 157 kW (210 hp)

Dimensions (Regular Cab, Short Box):

• Length: 5,318 mm
• Width: 1,956 mm
• Height: 1,778 mm
• Wheelbase: 3,023 mm

2nd Generation GMC Sierra (1999-2006)

• Platform: GMT800
• Key Features:
  • Improved ride quality
  • Introduction of the upscale Denali trim
  • Available Quadrasteer four-wheel steering system

Engine Options:

• 4.3L V6: 149 kW (200 hp)
• 4.8L V8: 201 kW (270 hp)
• 5.3L V8: 213 kW (285 hp)
• 6.0L V8 (Denali): 242 kW (325 hp)

Dimensions (Regular Cab, Short Box):

• Length: 5,494 mm
• Width: 1,994 mm
• Height: 1,872 mm
• Wheelbase: 3,023 mm

3rd Generation GMC Sierra (2007-2013)

• Platform: GMT900
• Key Features:
  • Fully boxed frame for improved rigidity
  • Introduction of Active Fuel Management for V8 engines
  • Available luxury features like heated windshield washer fluid

Engine Options:

• 4.3L V6: 145 kW (195 hp)
• 4.8L V8: 220 kW (295 hp)
• 5.3L V8: 235 kW (315 hp)
• 6.2L V8 (Denali): 301 kW (403 hp)

Dimensions (Regular Cab, Short Box):

• Length: 5,220 mm
• Width: 2,032 mm
• Height: 1,887 mm
• Wheelbase: 3,023 mm

4th Generation GMC Sierra (2014-2018)

• Platform: K2XX
• Key Features:
  • Introduction of EcoTec3 engine family
  • Available 8-speed automatic transmission
  • Enhanced infotainment systems with Apple CarPlay and Android Auto

Engine Options:

• 4.3L V6: 212 kW (285 hp)
• 5.3L V8: 265 kW (355 hp)
• 6.2L V8: 313 kW (420 hp)

Dimensions (Regular Cab, Short Box):

• Length: 5,222 mm
• Width: 2,032 mm
• Height: 1,879 mm
• Wheelbase: 3,023 mm

5th Generation GMC Sierra (2019-Present)

• Platform: T1XX
• Key Features:
  • Introduction of MultiPro tailgate
  • Available carbon fiber bed
  • Enhanced towing and payload capacities

Engine Options:

• 2.7L Turbo I4: 231 kW (310 hp)
• 4.3L V6: 212 kW (285 hp)
• 5.3L V8: 265 kW (355 hp)
• 6.2L V8: 313 kW (420 hp)
• 3.0L I6 Diesel: 207 kW (277 hp)

Dimensions (Regular Cab, Short Box):

• Length: 5,885 mm
• Width: 2,063 mm
• Height: 1,918 mm
• Wheelbase: 3,745 mm

Key Trends Across Generations

• Increased Power: Each generation has steadily increased engine power across all options.
• Improved Fuel Efficiency: Despite power increases, fuel efficiency has generally improved due to technologies like Active Fuel Management and the introduction of turbocharged and diesel options.
• Size Increase: The Sierra has grown in all dimensions over the generations, with the most significant increase occurring in the 5th generation.
• Technology Integration: From basic radio systems in the 1st generation to advanced infotainment and driver assistance features in the 5th, technology has become increasingly central to the Sierra’s appeal.
• Luxury Features: The introduction and evolution of the Denali trim have pushed the Sierra into more premium territory with each generation.
• Capability Enhancements: Towing and payload capacities have increased significantly, with the 5th generation offering the highest capabilities yet.

The GMC Sierra 1500’s evolution has been transformative, from a basic work truck to a versatile vehicle capable of serving as both a robust workhorse and a luxurious daily driver. Each generation has built upon the strengths of its predecessor while introducing new technologies and features to meet changing consumer demands and market trends.