• The Chevrolet Avalanche is a sports-utility truck that was introduced by General Motors in 2002 and is in its second generation as of 2011 models. The 2004 model was part of the first generation --- produced until 2006. It was available with a 5.3-liter or 8.1-liter engine and came as either four-wheel drive or rear-wheel drive.
  
  

Dimensions and Chassis

• The entry-level, four-door, six-passenger rear-wheel drive 1500 Crew Cab SB trim is 222 inches in length, 79.9 inches in width, 74 inches in height, 8.7 inches in ground clearance and 130.3 inches in wheelbase. It gives a passenger space of 167.04 cubic feet, a front and rear legroom of 41.3 and 38.9 inches and a frontal area of 34.9 square feet. It has a total curb weight of 5439 lbs. and a fuel capacity of 30.9 gallons. The chassis has a turning circle of 49.2 feet and is fitted with 210/85-R16 tires, independent suspension in the front and live-axle suspension in the rear.
  
  

Engine

• The 1500 Crew Cab SB shares its engine specifications with all first generation models of the same trim. This includes an eight-cylinder, fuel-injection engine with two valves per cylinder, a compression ratio of 9.5 to one and a bore and stroke of 3.78 and 3.62 inches. This gives the engine a displacement of 325 cubic inches and a unitary capacity of 40.637 cubic inches per cylinder.
  
  

Performance

• Given its dimensions and engine specifications, the 1500 Crew Cab SB is capable of a maximum output of 295 horsepower at 5,200 rpm, a maximum torque of 330 ft-lb at 4,000 rpm, a specific output of 0.908 brake horsepower per cubic inch and a specific torque of 0.74 ft-lb per cubic inch. This gives a power-to-weight ratio of 91.8 brake horsepower per ton, a combined fuel consumption of 16 miles per gallon and a range of 495 miles.