It's the job and/or driving style mate, diesels don't like stop-start journeys, you'd be better off with a small capacity petrol if you're doing something like pizza deliveries.
No offence C2K, but that's really not right. The mods will only improve mpg on a diesel as you're making the engine more efficient, so only kill the mpg if you drive her hard.
No offence C2K, but that's really not right. The mods will only improve mpg on a diesel as you're making the engine more efficient, so only kill the mpg if you drive her hard.