EPA 21 MPG Hwy/15 MPG City! Satellite Radio, Premium Sound System, Flex Fuel, 4x4, Alloy Wheels, Tow Hitch, Running Boards. 5 Star Driver Front Crash Rating. KEY FEATURES INCLUDE4x4, Running Boards, Flex Fuel, Premium Sound System, Satellite Radio. EXPERTS ARE SAYINGCarAndDriver.com explains A blend of full-size pickup and SUV, the Avalanche delivers exceptional versatility.. 5 Star Driver Front Crash Rating. 5 Star Passenger Front Crash Rating. VISIT US TODAYWelcome to The Suburban Collection. On behalf of our team, thank you for visiting our website. It has been our commitment, over the past 70 years, to offer the highest level of guest satisfaction. We value your time and are dedicated to making your life easier. Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.