sentence: The first generation was sold as the Vauxhall Carlton in the UK and was facelifted in 1991 It was sold as the Vauxhall Omega in the UK with the second generation which arrived in 1994 with a facelift in late 1999.
modified: fix grammar: The first generation is selling as the Vauxhall Carlton in the UK and amn't facelifting in 1991 It was sell as the Vauxhall Omega in the UK with the second generation which arrive in 1994 with a facelift in late 1999.