Year: 1999
Description: A line of full-size and heavy-duty pickup trucks known for their strength and durability.
Engine Specifications: A wide range of engines including a 4.3L V6, 5.3L V8, 6.2L V8, and a 3.0L inline-6 Duramax diesel
Transmission: Options include a 6-speed, 8-speed, or 10-speed automatic transmission depending on the engine and model year
Fuel Economy: Varies significantly by engine; the 5.3L V8 model averages around 17 mpg city and 23 mpg highway
Dimensions: Length: 229.5 in to 241.2 in, Width: 81.2 in, Height: 75.5 in to 78.4 in, varying by model and configuration
Weight: Ranges from about 4,500 lbs for the base models to over 5,500 lbs for fully equipped 4WD versions
Safety Features: Standard safety features include airbags, stability control, and a rearview camera, with available options such as lane departure warning, automatic emergency braking, and adaptive cruise control
Performance Figures: The 6.2L V8 models can accelerate from 0-60 mph in approximately 5.4 seconds
Price: Starting MSRP around $29,600 for the base model, with higher trims and configurations like the Denali exceeding $70,000
Trim Levels & Options: Available in multiple trims including Base, SLE, SLT, AT4, and the luxurious Denali
Production Numbers: Produced in large volumes to meet the high demand for full-size trucks in the North American market
Awards & Recognition: Consistently recognized for its towing capacity, performance, and comfort, particularly in higher trim levels like the Denali
Historical Significance: The Sierra has been a key player in GMC’s lineup, representing rugged capability and premium quality in the full-size pickup truck segment
Technology Innovations: Features cutting-edge technology options, including the MultiPro tailgate, ProGrade Trailering system, and advanced infotainment systems with connectivity
Interior Features: Interiors range from practical and durable in base models to opulent in the Denali, with available leather seating, real wood trim, and advanced noise cancellation
Exterior Design: Showcases bold and muscular design language, with distinctive grille designs and LED lighting contributing to a commanding presence on the road