The 2008 Avalanche comes in three trim levels, the LS, LT and LTZ Avalanche, with your choice of 2WD or 4WD. A 5.3L V-8 engine is standard, and comes with GM's Active Fuel Management, which switches from eight-cylinder to four-cylinder operation to save fuel. A 6.0L V-8 engine with Active Fuel Management and variable valve timing optional.
You can buy a FlexFuel 2008 Avalanche, with an engine that can run on E85 fuel.
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