The 2011 Hyundai Sonata comes standard with a 2.4-liter inline 4-cylinder Theta II engine producing 198 horsepower and 184 lb-ft of torque. This naturally aspirated DOHC engine features dual continuously variable valve timing (D-CVVT) and an aluminum block with iron cylinder liners. The engine is paired with either a 6-speed manual or 6-speed automatic transmission. This powerplant provides adequate performance for daily driving while achieving EPA ratings of 22 city/35 highway mpg with the automatic transmission. The Theta II engine requires regular oil changes every 7,500 miles with 5W-30 synthetic oil.

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 interchange directly across these years. However, there were minor updates in 2012 and 2014 that affected some electrical components and trim pieces. The 2.4L engine and 6-speed automatic transmission remained largely unchanged throughout this generation. Interior parts, seats, and dashboard components are generally compatible across 2010-2014 models, though some electronic modules may have different part numbers due to software updates.

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 bearing and oil consumption issues affecting certain production runs. While many engines run reliably with proper maintenance, some experience catastrophic failure between 70,000-120,000 miles. Regular oil changes every 5,000 miles instead of the recommended 7,500 miles can help prevent problems. Monitor oil levels frequently as these engines can develop excessive oil consumption. Despite the known issues, engines that avoid the bearing problem can last 200,000+ miles with proper care. Always verify recall completion and extended warranty coverage when purchasing.