[4] The Competition Series version received Mercury's 4.4 litre V8 engine with 115 hp (86 kW); if this did not suffice then various aftermarket parts from companies such as Edelbrock or Edmunds could be specified.

Unusually in a car of post-war design, the Allard featured a windscreen hinged at the top, which could be opened "by means of a central toggle mechanism".

[4] Interior fittings displayed unusual attention to detail by the car's designers, with good interior storage including a packages shelf under the fascia and "pockets formed...in the thickness of the doors".

[4] Instrumentation included, in addition to a choke control, a "screw-type hand throttle" as well as a switch for a light in the engine compartment.

[4] A heater that drew fresh air from the outside was included as a standard feature on exported cars, and was offered as an optional extra for the domestic market.