470HP Opel Calibra 4×4 Turbo || C20LET Power – ONBOARD Drag & Track by turboandstance - May 14, 2020June 8, 2020 Reinhold Nauschnegg from Austria races one of the very few units of the Opel Calibra that can still be found on Hillclimb Racing. Powered by a 450Hp/550Nm C20LET engine, it is also quite unique due to the fact it was converted into a 4 Wheel Drive race car ( it