It was the last generation engine Bill. 1.9 ttid two turbo. Think Vauxhall badged it up as a cdti. Car was a 2009.Your Saab diesel is probably an older GM engine which have always been known to be dirtier and less fuel efficient. My old works cars were Vauxhall diesel estates and proved many times when i changed jobs to say Focus Estates and Kia to be a lot less efficient