'Green Score': 40
Mileage: 32 mpg Hwy, 21 mpg City
Sticker price: $18,700 - $26,550
While the Sonata is commonly called a mid-sized car, but it's full-sized according to the EPA's standards. The Chevrolet Impala came closest to the Sonata in this category with a "Green Score" of 37.
NEXT: Sporty cars: Audi TT Roadster
Last updated February 03 2009: 1:00 PM ET