While Porsche leaches out details of the new 911 Turbo, German tuner Gemballa has released a turbocharged monster of its own, the rear-wheel drive, 641bhp Avalanche.
BMW M2 v Mercedes-AMG A45 S – £65k performance machines go head-to-head
Hyperhatch versus sports coupe, four-wheel drive opposes rear, auto confronts manual. Despite their differences, the AMG A45 S and BMW M2 are still cl…