The C112 was intended to be the road-legal counterpart of the Sauber-built C11 Group C prototype race car developed for the 1990 World Sports-Prototype Championship.

The use of pop-up headlamps, a common feature on sports cars at that time, was avoided as it increased drag and created aerodynamic turbulence.

A light weight bonded aluminium chassis weighing 130 lb (59 kg) was utilised, strengthened by a tubular steel sub-frame for the doors and the roof, this measure also increased rigidity.

The special 5-spoke magnesium wheels were built by Speedline and measured 18-inches at the front and rear, wrapped in tyres supplied by Goodyear and Michelin.

The most recent updates in anti-locking braking (ABS) and anti-skid control system (ASR) which split the braking pressure between the front and rear wheels This was provided through the car's front spoiler and rear wing, which were electronically controlled to ensure the optimal combination of low drag and high downforce.

The rear wing was also used to improve the car's braking in emergency situations although this was not seen in production until the Mercedes-Benz SLR McLaren.