Ok. I do know they are two completely different types of car, as the Audi is a AWD 4.2 V8 Estate 02-05 and the Mazda is a FWD 2.3T Hot Hatchback 06-09, but they in the same kind of £6500 to £10500 price bracket.
The extra practicality and 4 wheel drive system of the big Avant may be good very...