just sold my blue mk 1 172,best thing i did,and swapped for a flame red mk2,
mk2 looks better,the mk1 always needed bigger wheels,although i loved the front of the car more agressive than mk2.
the mk1 i would say is marginally quicker to 60 mph,the mk2 more refined and loads less steering wheel wrestling when nailing it in 2nd gear.
mk2 has much better gearing especially 5th.
mk2 more of a quality car,interior details, auto xenon lights, auto wipers,climate cont not aircon,rides better,grips better,quiter on motorway
the mk1 was a superb car,,but mk2 a little better in most departments.
looks are personal pref ,i think the right colour makes a big difference!
both cars are ace but if you can afford it go for a mk2 is my personal opinion.