The 2001 Chevrolet Impala uses a 3.8-liter V6 engine (the 3800 Series II) as its standard powerplant for the base models. There was no factory V8 option in the 2001 model year for Impala, though a higher-performance Impala SS with a V8 appeared later in other years.
Engine options in the 2001 Impala
For the 2001 non-SS Impala, GM offered only the 3.8-liter V6. This engine belongs to the 3800 family and powered many GM front-wheel-drive cars of the era. It produced roughly 195 horsepower and around 230 lb-ft of torque, typically mated to a four-speed automatic transmission.
Was there an Impala SS in 2001?
No. The high-performance Impala SS with a V8 appeared in later years (notably the mid-2000s), so a 2001 Impala would not have come from the factory with a V8 engine.
What this means for performance and maintenance
With the 3.8-liter V6, the 2001 Impala offered smooth, reliable power suitable for a full-size family sedan. Routine maintenance—oil changes, timing chain inspection, cooling system service, and belt checks—applies similarly to other GM 3800-powered vehicles. If you're evaluating a used 2001 Impala, verify the engine's condition and service history, since higher-mileage examples may show typical wear or require attention to timing chains in some cases.
Summary
Summary: The 2001 Chevy Impala was powered by a 3.8-liter V6 (3800 Series II) as the standard engine in base models; a V8-powered Impala SS was not offered in 2001, but appeared in later years with different performance characteristics.