Welcome to the ranks!
I can defo recommend the petrol autos....silky smooth. The 3.6 would be my choice, but road tax @ £485 would be painful. If your not too fussed about a slightly older car, why not go for a late 55 or pre 23 march 2006 registered 06 plate 3.0 auto. A low mileage one can be had for under £6k if you look around and are prepared to travel. The 3 litre is also chain driven, so no cam belt change to worry about. Tax for pre 23 march 06 cars is £285.
As with all scoobs, a full history is worth it's weight in gold. Most outbacks have this, so that shouldn't limit your choice much.
Hope that helps to start you off mate [emoji106]
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