What does the Challenger 2 have in common with the Challenger 1?
Challenger 1 The FV4030/4 Challenger 1 is a British main battle tank (MBT) used by the British Army from 1983 to the mid-1990s, when it was superseded by the Challenger 2. It is also currently used by the Royal Jordanian Army as its main battle tank after heavy modifications. The variants for the Jordanian military are to be upgraded using the unmanned Falcon turret.
Pontiac 2+2 The Pontiac 2+2 is a full size automobile that was manufactured by Pontiac, built on the B-body chassis. It debuted for the 1964 model year as a trim-only option for the Pontiac Catalina, with special door panels, buckets seats, and center console and exterior badging. Pontiac marketed the 2+2 as the "big brother" to the popular Pontiac GTO.