Hi Tony, yes, high-backed frontseats and 4-speed box.
My GSX was red and was well-worn when I bought it for £70. But I repaired the rusty front door bottoms and carried out a number of other improvements. Used it to drive from Newbury to Durham University for a seminar (at the same time as that appalling coach motorway crash) where I was complimented on its condition.
It was eventually damaged in the foggy A4 accident that I've described previously. Got £350 for it from the other person's insurance, bought it back for £50, repaired it and passed it on to my number 3 son.
My first choice would still be a GSA. You've got me going now, I'm going to have to start searching!
Derek
PS. I've just remembered another weakness. They used to wear their front wheel bearings out regularly. I've still got the set of three special sockets that I milled out to remove them.