On this episode of Head 2 Head presented by Tire Rack, Jonny Lieberman and Jethro Bovingdon explore two of the fiercest super-sedans ever built. AMG’s latest four-wheel-drive E63 S takes on the benchmark Cadillac CTS-V on the road, at the dragstrip, and, with the help of Randy Pobst, on the track, too.On this episode of Head 2 Head presented by Tire Rack, Jonny Lieberman and Jethro Bovingdon explore two of the fiercest super-sedans ever built. AMG’s latest four-wheel-drive E63 S takes on the benchmark Cadillac CTS-V on the road, at the dragstrip, and, with the help of Randy Pobst, on the track, too.