Hi

I have a budget for a company car and considering purchasing the A3 Hybrid as extremely low tax implications.  Can anyone give me any feedback on this car as I do a fair amount of miles {approx 450 per week) and would like some advice as not sure if the hybrid would be cost effective or if I should go with diesel A3? Thanks

Welcome Sharon and thanks for joining. 
To try to boil this down for forum members:- 

Can we take it you have already sought advice from a qualified accountant who has been able to give you all the necessary advice associated with your personal situation? 
Can we take it you are looking at the self charging hybrid?

Have you checked whether Audi are still producing a diesel model? 
Final question:-

Are you asking the simple question - Does the hybrid cost less/mile to run than a diesel? 
Kind regards,

Gareth. 
p.s. Isn’t the company funding your day to day business mileage then?