Power output 150 bhp (110 kW; 150 PS) @ 2480 rpm.Tax rating 50 hp The result was an engine which idled at 150 rpm and ran with uncanny silence "the only audible sound made by a Double-Six (if you opened the bonnet and went right up to it) was the almost imperceptible tick as the ignition points opened and the faint breathing of the carburettor".

Formed around a pair of 16/55 cylinder blocks[1] Power output 100 bhp (75 kW; 100 PS),Tax rating 31.4 hp[8] Production ended in 1932, none with fluid flywheel and pre-selector gearbox.

[1] Announced October 1930 and matched with the new Daimler fluid flywheel and Wilson pre-selective half-automatically changing four-speed gearbox.

It aroused so much interest Cadillac's chief engineer, Ernest Seaholm, came to the following Olympia show and bought another for technical investigation.

Switches buttons and stalks were all placed within finger tip reach of the driver and accessible without removing their hands from the steering wheel.

Chassis Announced October 1930 and matched with the new Daimler Fluid Flywheel and Wilson pre-selective half-automatically changing four-speed gearbox.

Tax rating 49.4 hp[11] Cylinder block a one-piece light alloy casting[15] From 1935 to 1938 nine[16] Double-Six 40/50 engines were made with poppet valves - possibly to use surplus components.

fortunate beings will leisurely survey the moving surface of the earth through the windows of their Daimler Double-Sixes as they pass onward in silent dignity".

[1] A letter from Tony Bird in the January 1967 issue of Motor Sport recounted how Double-Six models could develop violent front axle "wheel wobble" which could only be overcome by stopping the car.

So much oil near the combustion chambers led to a gummy engine prone to seize if left standing for any length of time.