See also:

2011 Hyundai Sonata review
Hyundai's redesigned Sonata sedan has exploded onto the market to become one of the most popular cars available, period. It's the best example of how a good-looking product at a competitive price ...

Check Spark Plugs and Ignition System
Inspect your spark plugs and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...

Efficiency & Drivability
Automakers have been racing to produce small cars that get great gas mileage using conventional engines, and Hyundai has succeeded on that front with the 2011 Elantra, which is powered by a new 14 ...