The 992-series 911 Turbo prepares for a mid-cycle refresh that includes a hybrid twist. In Turbo S flavor, maximum output ...

Ferrari 250 GT California Spyder and a 70-percent scale Porsche 917K, both fully-rolling go-karts, are up for auction with ...

But while these sought-after machines might be current or future collectors' items, they aren't the rarest models from the ...