If it looks like a Saturn Sky, why, maybe that’s because it is a Saturn Sky – and there’s certainly nothing wrong with that. Europeans who like great-looking roadsters will surely be thrilled with the Opel GT – for now just a concept – as their U.S. mates are with the Saturn. And it’s not only a beautiful car, but, as introduced at the 2006 Geneva Auto Show, is the first Opel GT in 30 years. Differences between the Sky and the GT are limited to the badge and a more powerful engine: the Opel gets a 265-horsepower, turbocharged 2.0-liter engine. Perhaps those of us who enjoy roadster motoring on these shores would be a little more thrilled if we got the Opel GT – instead of the 170 horsepower Sky due in dealerships next spring. And maybe, this time, the American equivalent will be called the poor man’s Opel…