Porsche 911 GT3 review: 493bhp supercar tested So what’s new about the Porsche 911 GT3? Besides the famous reintroduction of the manual gearbox? Well, you’re potentially asking the wrong question. A better one would be: how does this differ from the GT3 RS? Because what we have here is a 911 GT3 that’s replaced its 3.8-litre flat six with a 4.0-litre and gained rear-wheel steering. OK, it does without the magnesium roof, the wider turbo body and vents over the front wheels to improve downforce, but it’s only 10kg heavier and has the same 493bhp and 339lb ft outputs. It’s the same engine as the GT3 RS, then? Porsche says not, insisting that it’s a lightly altered version of the engine from the 911 Cup and RSR racers (where it produces 485 and 510bhp respectively). But that’s
2018 Porsche 911 GT3 500hp – Monster Car!!