In the Season 3 finale, an event called Carmageddon in Lubbock, Texas, features a classic car show, an auto-cross race and an auction, but the latter gets off to a slow start, forcing Jeff to take a risk by selling a customized military vehicle.
Jeff pursues a Ferrari Mondial and a Camaro Z/28, but learns the latter isn't the original color, which could affect his offer. Later, Jeff informs Meg he wants to stage an auto show and auction in Texas, but she balks at the price.
Jeff covets a 1969 Corvette that he envisions turning into a classic racer with fender flares from the seller. Later, a pair of iconic British convertibles catch Jeff's eye when he and Meg visit a huge car collection.
Jeff and Meg go to Florida to visit Rossion Automotive, a maker of high-performance sports cars that floats the idea of Flat 12 becoming a dealership. Meanwhile, Tom works out a deal that involves a 1955 Bel Air and a statue of a bull.
Jeff and Meg go to California to look at a 1931 Chevrolet Victoria and wind up getting more than they bargained for, while back in Texas, Eric and Luke work on a six-wheel military vehicle. Later, Jeff clashes with a salesman over a Ferrari Testarossa.