The 2011 Chevrolet Impala comes standard with a 3.5L V6 engine that produces 211 horsepower and 214 lb-ft of torque. This naturally aspirated engine features aluminum construction with iron cylinder liners and uses a timing chain rather than a belt for improved durability. The engine is paired with a 4-speed automatic transmission and delivers an EPA-estimated 19 mpg city and 29 mpg highway. This powerplant provides adequate acceleration for daily driving while maintaining reasonable fuel economy for a full-size sedan of this era.

The 2011 Chevrolet Impala shares most parts with model years 2006-2013, as this represents the ninth generation of the Impala. Engine components from the 3.5L V6 are largely interchangeable across these years, though some sensors and emissions components may vary. Body panels, interior trim, and suspension components are most compatible with 2006-2013 models. The 2014-2016 Impala Limited (which was essentially the same as the 2006-2013 generation) also shares many parts. However, the completely redesigned 2014+ regular Impala uses different components and is not compatible.

Parts availability changes daily. Call us at (603) 392-7313 or visit our online shop to check current inventory from this specific vehicle. If we have sold a part you need, our Parts Broker service can source it from our network of partner yards nationwide.

Yes! We ship parts from this vehicle and our entire inventory nationwide. Most orders ship within 1-2 business days via FedEx or freight carriers for larger components like engines and transmissions. Call (603) 392-7313 for a shipping quote on any part.

The 3.5L V6 in the Chevrolet Impala is generally a reliable engine when properly maintained, though it has some known weak points. The intake manifold gaskets are the primary concern and should be monitored closely after 80,000 miles. Regular coolant changes every 50,000 miles and using the correct Dex-Cool coolant helps prevent gasket deterioration. The timing chain is robust and rarely needs replacement. Oil changes every 5,000 miles with conventional oil or 7,500 miles with synthetic help prevent premature wear. Overall, with proper maintenance, this engine can easily reach 200,000+ miles.