Vortec 5.3L V8 SFI Flex-Fuel and 4WD. Very versatile! Does it all! How reassuring is it knowing you are always prepared with the all-around-performance of this great-looking 2006 Chevrolet Avalanche 1500? This talented Avalanche 1500 is the truck with everything you expect from Chevrolet, and THEN some. J.D. Power and Associates gave the 2006 Avalanche 1500 4.5 out of 5 Power Circles for Overall Initial Quality Design. New Car Test Drive said ibines the passenger-pampering comfort of a Tahoe with the load-hauling capability of a long-bed Silverado pickup...*** Tell us that you saw this vehicle on the Dealix Used Cars Network ***.