Vega appears to have been the first GM vehicle designed by committee – the corporate engineering staff – and imposed upon one of its divisions like a turd to be polished. Chevrolet engineering had in fact developed its own subcompact but when presented to corporate it was rejected “out of hand” by Ed Cole, who told them to develop Vega instead, then code-named “XP-887”.

The Kadett clearly featurt a muckle mair modren design than the Volkswagen Beetle which then dominatit the mercat for smaw family caurs in Germany an various surroondin kintras. The Kadett affered mair passenger space, massively mair luggage space an a muckle less encumbered view oot. Its watter cooled ingine enabled it tae provide a far mair effective heater. Even fuel consumption wis unner maist conditions superior tae that o the Volkswagen, an mony commentators muckle preferred the Opel's handlin an its licht an effective brakes tae those o the mercat leader.
Under the stubby bonnet, Opel has borrowed engines as well as chassis from PSA, so the EcoTec 1.6-litre diesel is actually the French 1.6-litre BlueHDI engine wearing lederhosen and a false moustache. It’s a very good engine, in fairness. Not as refined, overall, as Opel’s home-grown 1.6, nor as powerful (120hp plays 136hp) but quieter at low rpm when cold, and with very good economy. Sadly, the six-speed manual gearbox is also brought in from France and its sloppy, loose-limbed action does not bespeak of German precision. The engine, to be honest, doesn’t seem to suit the car, surging and growling with rather too much enthusiasm and basically making a nuisance of itself. I suspect the Crossland would be better-suited to the revvy, lightweight 1.2-litre petrol engine.
The GSi's engine mapping had been carried out by Opel tuning specialists Irmscher. A model with the 82 PS (60 kW) 1.4 L multi point fuel injected engine, which was otherwise mechanically identical to the GSi, also became available as the Nova SRi in the United Kingdom. In January 1988, a turbocharged version of the Isuzu diesel engine was introduced, with power increased to 67 PS (49 kW).[8]
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