The most desirable Horch, the 855. Only a very small number were ever made. Type 4/5S FHC engine Manufacturer Horch Type V-12 SV 24 valves total 2 valves per cylinder Main bearings   Construction   Bore × stroke 80.00mm × 100.00mm 3.15 in × 3.94 in Bore/Stroke ratio 0.8 Displacement 6032 cc (368.095 cu in) Unitary capacity 502.67 cc/cylinder Aspiration Normal Compressor type N/A Intercooler None Catalytic Converter N Max. output 121.7 PS (120.0 bhp) (89.5 kW)   Coolant Water Specific output 19.9 bhp/litre 0.33 bhp/cu in performance Top speed 145 km/h (90 mph)