sentences:  At this time a Jaguar XK120 cost £1263 including taxes when tested by the same magazine.A road test by the competitor magazine, "The Autocar" recorded a top speed of 90 mph (145 km/h) but acceleration to for these testers took them to 20.4 seconds.The final drive ratio on the first publicly presented prototype of 4.1 to 1 was reduced to 4.56 to 1 and it is possible that the final drive on the tested cars was not the same.