Grumpy Old Geeks Products Rolls-Royce 103EX Product Rolls-Royce 103EX 2 mentions in 1 episode A self-driving concept car whose low front clearance the hosts criticize. Mentions 165: Brexit Through the Gift Shop Jun 24, 2016 1:22:46 They put out this concept car. It's obviously a self-driving car. 1:23:35 The clearance is two inches from the front bumper to the wheel.