5. 2015 Volkswagen Jetta
Price: $16,215 / Combined gas mileage of 29 mpg / 115 horsepower
Compared to the average price for all 2015 sedans, this model comes 54% cheaper. It also has a combined mpg advantage over any other 2015 sedan by 12%. Since past Jettas have received bad reviews, this Jetta came new and improved, providing an especially noteworthy set of upgrades. These upgrades include chrome-ringed gauges, and a new front-end treatment.