On today's episode of Car Trek, AutoTempest challenged the guys to see how much their aging supercar hoopties would be worth as rentals on the Las Vegas strip, but Freddy's Maserati was a little under the weather. Tyler's CL65 AMG and Ed's Aston Martin V12 Vanquish were still going strong, although the opinion of Houston Crosta from Royalty Exotic Cars could definitely take the wind out of their sails.