It is the only vehicle having Midgate. The category of Avalanche is such that it can be a 6 passenger SUV and also convert into a full-size pickup. It has storage capacity of.45.5 cubic feet along with the largest trunk and top-box storage with locks. The 3L V8 Flex fuel engine is a powerful engine having capability of active fuel management. Fuel Economy is the best in this class and Avalanche 2WD gives 15 mpg city/21 highway. The EPA has not rated Avalanche 4WD for fuel economy estimates. The fuel tank of Avalanche has the capacity of 31 gallon, and so it can travel up to 650 miles on highway before filling up. Turn-by-turn navigation along with directions and connections is made easy with standard On Star with. It was awarded 5-Stars in forward contact for Driver and Front Passenger and also has the feature of standard front seat-mounted side-impact air bags. The craftsmanship is highly refined having flush surfaces and the tight component fits helps to provide best quality look The frame is fully boxed so has lees chance of bending and twisting, facilitating better ride quality, road and power train noise isolation. It offers the best warranty in the business with a 3-yr/36,000 mile bumper-to-bumper warranty plus a 5-yr/100,000 mile power train warranty including roadside help and courtesy transportation.