Sunbeam Twenty-Five

Manufacturer	Sunbeam
Production	1933 to 1935
Class	Motor Car
Body style	4-door saloon,coupe,Limousine
Engine	Straight-6 ohc
Transmission	4-speed manual sliding-pinion
Wheelbase	10 ft. 10 ins.
Length	15 ft. 8 ins
Width	6 ft
Weight	2-ton 1cwt

The Sunbeam Twenty-Five is a luxury saloon car introduced by Sunbeam in the 1930s.

History

The Sunbeam Twenty-Five was an top of the range interwar car from the Sunbeam manufacturer only from 1934 to 1935. Built as a 4-door saloon or coupe at £875 and also the luxury seven-seater with options Limousine form £1.045 It was produced on two wheelbase lengths 130" and larger 136" with also coach built body options.Built as a more luxury car with notable features such as being Fast, silent, well-sprung and reasonably economical to operate, the " Twenty-five " is well sprung with a Wide Spring-base and chassis and body. From the manner in which the car behaves when running at high speed on good roads there is a marked steadiness entirely devoid of any sponginess gives a more luxury feel.

Fitted with a cleanly designed six-cylinder overhead-valve engine. To reach 40 m.p.h. from 10 m.p.h. requires little more than 13 secs. whilst a speed of a mile-a-minute can be achieved (from 10 m.p.h.) in under 25 seconds the throttle not more than half-way open the engine gives off sufficient torque for a speed of about 60 m.p.h. to be maintained as this Sunbeam model is capable of a sustained speed of 77 m.p.h. on level going, and over 80 m.p.h depending on body.

The car Quick and Easy Gear Change For emergency use, a low bottom gear (17.8 to 1) is provided, but for all practical purposes the second gear ratio of 9.8 to 1 suffices to get away, even when the car is standing on a moderate upgrade. (Both these gears are equipped with synchronizing clutches).

PERFORMANCE: Sunbeam Twenty-Five

• Max speed Top gear, 77 m.p.h.
• Third 51 mph
• Second 39 mph
• Acceleration From stand still to 70 m.p.h., 30 secs
• Maximum pull in lb. per ton: top gear, 250 lb.; third 340 lb.; second 489 lb.
• Petrol Consumption: 15.4 m.p.g.