Price when new: $31,580
Dealer used price: $15,051
Private-party price: $13,550
Certified used price: $17,243
MPG (city/hwy): 19/28

With a 2.5-liter, turbocharged engine, the S60 puts out 208 horsepower but still gets nearly 30 miles to the gallon on the highway. Even better, the 2007 model has stellar reliability ratings, the safety that's synonymous with Volvo -- and a steep markdown from the original sticker price.