A Century of Cars: 8 Corgi Jaguar XK120
The Motor magazine road-tested an XK120
roadster in 1949. With hood and sidescreens in place, it achieved a
top speed of 124.6 mph (200.5 km/h), accelerated from 0-60 mph (97
km/h) in 10.0 seconds and consumed fuel at the rate of 19.8 miles
per imperial gallon (14.3 L/100 km; 16.5 mpg-US). The car as tested
cost £1263 including taxes.
In May 1949, Jaguar demonstrated an XK120 roadster to the press on the high-speed autoroute between Jabbeke and Aeltre in Belgium. The road was closed for the occasion. The white left-hand drive car, chassis number 670002, was the second XK120 built. Jaguar's development engineer Walter Hassan was to have driven but fell ill, so Jaguar test-driver Ron "Soapy" Sutton substituted for him. With hood and sidescreens erected, and the airflow under the car improved by the addition of a full-length aluminium undertray, the Jaguar was timed through the flying mile by the Royal Automobile Club of Belgium at 126.448 mph (203.498 km/h). With hood, sidescreens and windscreen removed, a metal airflow deflector fitted in front of the driver, and a tonneau cover fastened over the passenger side of the cockpit the speed improved to 136.596 mph (219.830 km/h), making the XK120 the world's fastest production car..