The HK was probably a 307 auto for that sort of $. Here are the build numbers:

HK GTS327 - 1192
HT GTS350 - 700
HG GTS350 - 450
HQ coupe with 350 - 615

The best value example will be HQ LS or HG GTS350. You'll buy a good useable HG GTS350 for $65k.