Complex sentence: SRT Tomahawk is a concept car made by SRT, which was created exclusively for Gran Turismo 6 It has 2,590 hp and has a top speed of merely 400 mph.
Split into simpler sentences: SRT Tomahawk is a concept car made by SRT, which was created exclusively for Gran Turismo 6. It is powered by a 2,590 hp engine and has a top speed of merely 400 mph.