The 2011 Hyundai Sonata comes standard with a 2.4-liter Theta II four-cylinder engine producing 200 horsepower and 186 lb-ft of torque. This naturally aspirated engine features dual overhead cams, variable valve timing, and an aluminum block construction. The engine is paired with either a 6-speed manual or 6-speed automatic transmission and delivers EPA-estimated fuel economy of 22 city/35 highway mpg. This powerplant provides adequate acceleration for daily driving while maintaining reasonable fuel efficiency for a midsize sedan of this era.

The 2011 Hyundai Sonata shares most parts with the 2010-2014 sixth-generation Sonata models. Major components like engines, transmissions, suspension parts, and body panels are generally interchangeable within this generation. However, there were minor updates in 2012 and 2014 that affected some electrical components and trim pieces. The 2.4L engine specifically was used from 2011-2014 with minimal changes. Interior parts, door panels, and some electronic modules may have year-specific variations, so verification of part numbers is recommended for optimal compatibility.

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 2.4L Theta II engine has mixed reliability due to well-documented manufacturing defects affecting certain production runs. While many engines run reliably with proper maintenance, a significant number experience catastrophic failure due to metal debris from manufacturing. Regular oil changes every 5,000 miles with quality oil are crucial. Watch for unusual noises, oil consumption, or metal particles in oil. Despite recalls and extended warranties, this engine requires careful monitoring. When functioning properly, it provides adequate power and decent fuel economy, but the potential for sudden failure makes it a higher-risk powertrain choice.