The next two RS versions allowed owners to order «high spec» versions which meant most of whatever the engineers had stripped out to save weight were ordered as extra cost options. (motor-prime.com)
Extra cost options include an aerodynamic package, carbon - fiber package, a Night package with blackout trim and silver chrome, and red - painted brake calipers. (autoweek.com)
Standard features on the «61 model, such as power steering, bucket seats, reverse lights, and power brakes, were available as extra cost options on most other cars of the day. (bestride.com)