- Rebuilt/Modified LT1: The original engine of the 1996 Impala SS is the LT1 engine. Rebuilding and mildly modifying this engine is cost effective and relatively simple. With basic maintenance, the engine can last well over 200,000 miles.
- LS-Series Engine: LS engines are generally known for their reliability, performance, and aftermarket support. LS1, LS2, and LS3 engines are some popular options for 1996 Impala SS owners.
- Big-Block Chevy Engine: Big-block Chevy engines are known for their massive torque and power potential. However, they are typically less efficient and require more modifications to the car.