Abt Electronics is one of the last examples of a nearly defunct species of business: the family-owned, single-location electronics and appliance retailer. Jon Abt, one of four brothers who ...

Exhibit A is German firm Abt’s take on the Audi RS5. Already a swift car – and one we’re enjoying running long-term in the evo Fast Fleet – Abt’s package lifts power from 444bhp to ...