Something is very wrong there then, tbh. Our Scoob only has 320bhp, but it’s always felt the quickest thing to drive by some margin including my old Bmw which was almost exactly the same pace as a 350. Most likely due to the power delivery from the turbo than outright power alone.
An auto Evo (man, who on earth though that was ever a good idea?!) should be even more so. Either it’s broken, or you didn’t feel comfortable pushing it properly, or that SST gearbox wrecks the experience so much.
From the sound of it, you’d be wasting your money with a supercharged Zed.