In Australia, the car was launched to much fanfare from many motor journalists, and went on to win the Wheels 2001 "Car of the Year" (COTY). Holden also imported the SRi version with the 1.8L Astra motor and uprated sports suspension including traction control, ABS brakes, a better tyre/wheel combination and Irmscher body kit to produce a "baby hot hatch" Barina.

In 2007, Opel introduced sport version of Corsa tuned by Opel Performance Center (OPC) – Corsa OPC. Corsa have 1.6 litre I4 turbo engine with 141 kW (192 PS; 189 hp) at 5.850 rpm and 230 N⋅m (170 lb⋅ft) of torque at 1,980 to 5,850 rpm, with overboost function which boost up torque figure to 266 N⋅m (196 lb⋅ft). 0 to 100 km/h (62 mph) time is 7.2 s and top speed is 225 km/h (140 mph). Differences with standard Corsa in interior are sporty Recaro seats, OPC steering wheel and gear knob, instrument dials with OPC background.
¹Opțional. Funcționează automat între 5 km/h și 85 km/h. Între 5 și 30 km/h, decelerarea pentru reducerea vitezei de impact este de 0,9 g. Într 30 și 85 km/h, sistemul reduce viteza cu maxim 22 km/h. După acest prag, șoferul trebuie să frâneze singur pentru a reduce și mai mult viteza. Gama de viteze de funcționare a AEBPD depinde de obstacolul detectat (mobil: între 5 și 85 km/h; fix: între 5 și 80 km/h; pietoni: între 5 și 60 km/h). Sistemele Opel de asistență pentru șofer au rolul de a asista șoferul în cadrul limitărilor imanente ale sistemului. Șoferul rămâne responsabil pentru sarcinile conducerii. Se preconizează că va fi disponibil din toamna anului 2017.
The saloon model was built and sold in Latin America as the Chevrolet Corsa Classic until 2010, when it was replaced with the model previously released for China in 2005 as the Buick Sail. A budget version introduced for the Brazilian market, the Chevrolet Celta, has bodywork resembling the end of the 1990s Vectra and Astra. The Celta was sold in Argentina as the Suzuki Fun for a certain period.

In addition to its West German home market, the Kadett A sold strongly in what were becoming the manufacturer's traditional export strongholds (notably in Benelux, Scandinavia, Austria and Switzerland). Between February 1964 and the Autumn/Fall of 1965 the cars were also exported to the United States where they were sold through approximately 500 Buick dealers. The same 993 cc engine was fitted and it is not clear whether it was differently tuned for North America: horsepower ratings were differently computed in the USA, following locally devised "SAE" rules: for American market purposes the maximum outputs for the engines were quoted as 46 hp (34 kW; 47 PS) and 54 hp (40 kW; 55 PS).
Within Opel the Calibra was a car with potential but sadly much of it was unrealised. Valmet Automotive in Finland, who had a manufacturing facility that build Calibras alongside the German plant, produced two handsome convertible prototypes that never saw production. A Saab coupe based on the Calibra was also rumoured but, again, never saw the light of day.

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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