The full-size sedan segment has gotten a bit more interesting lately with new players like the fantastic new Hyundai Genesis, stylish Chevrolet Impala, and the handsome new Toyota Avalon. Add the Chrysler 300 to that list—it’s being updated for 2015. ALSO SEE: 2015 Ford F-150: Top Full-Size Truck Gas Mileage--Not Counting Diesel The...