interior is diffrent, a super s has pop out rear windows, electric front windows, rev counter, has colour coded bump stripes, comes with 14'' alloy wheels.
the super s had:
sport bucket style seats
slightly different trim
quick shift steering rack
larger bumpers with driving lights
smaller three spoke steering wheel
speakers in the parcel shelf
uprated head unit
they also sometimes came with optional extras:
electric windows
power steering
alloy wheels
ABS with rear disk brakes
central locking
they were also based on a top model like an SLX which came with things like:
pop out rear windows
sun roof
split folding rear seats
rear ash tray
outwardly rolled exhaust tip
body coloured bumpers, bump strips and wing mirrors
1.3 CG13de engine
Tachometer
but the Sr is better and had things like:
air con
A piller tweeters
green dials
if you are planning to make a super S using other bits, the best car to start with is an SLX or LX, other cars may need wiring upgrades.
if you are making an Sr best start with a GX1.3