Critical Knowledge:

2010 Accent: Hyundai improves the 2010 Accent's fuel economy across the board this year, and introduces the high-mileage, low-priced, 36-mpg Blue Edition.

2010 Azera: Top-shelf 2010 Hyundai Azera Limited models receive additional standard equipment, and a 605-watt Infinity Logic 7 audio system with LG navigation is available.

2010 Elantra Sedan: All 2010 Hyundai Elantras boast improved fuel economy numbers for 2010, and a new Blue Edition gets as much as 35 mpg on the highway in exchange for $15,000.

2010 Elantra Touring: A new GLS trim level is added, shaving $1,300 off the sticker price and some of the less critical features that used to be standard, like cruise control, premium cloth upholstery, a telescopic steering wheel and an 8-way adjustable driver's seat.

2010 Genesis Coupe: Based on the Genesis sedan platform, the rear-drive 2010 Genesis Coupe is the most recent volley by Hyundai to prove it can compete in any class, at any time, anywhere in the world. Turbocharged 4-cylinder and torquey V-6 engines are available, the latter getting the car to 60 mph in less than 6 seconds on the way to a claimed top speed of 149 mph.

2010 Genesis Sedan: Hyundai adds a touch-screen navigation system and smart cruise control to the 2010 Genesis sedan, while making ultra-premium leather upholstery available on more models than before.

2010 Sonata: In advance of a complete redesign for 2011, the 2010 Hyundai Sonata sees minor changes, including the addition of standard USB and mini-jack auxiliary inputs and a couple of new colors.

2010 Tucson: The 2010 Tucson is completely redesigned, adopting Hyundai's emerging "fluidic" design language. Stylish and upscale in appearance, the new Tucson is available with unusual features for the class, such as a dual-panel sunroof, Smart Park Assist and Smart Key ignition and locking.

2010 Veracruz: Targeting entry luxury crossover SUVs in terms of quality and amenities but priced like a mainstream brand, the 2010 Veracruz gets six new colors for 2010. Veracruz GLS models also have more standard equipment for 2010, and can be equipped with navigation and premium audio systems.