Think the leather rear restraints were an option, as were the non-leather (about £50 from memory for cloth?)
I think the number of 16Vs sold with leather and air-con could probably be counted on your fingers, and maybe toes!
I remember going on a course a few years ago and one of the blokes on it had an ex company car with 150k on it then (this was in Newbury) with both leather and air, and it was as rough as a badgers behind - it'd also been written off and repaired twice
Only other one I can remember with both was one bought for the bumpers a few years back - was the cheapest way to get them and the rest was sold on. Believe the engine was shot so the whole car was about £100.
Both of these were dark grey as well