We never thought we’d cover anything with a Buick badge on it ‘cept maybe if it was followed by the GNX acronym. We feel sort of obligated to do so now however since the top brass at Buick has decided to toss in some turbocharged, direct-injected, 2-liter love that we all know as the impressive LNF powerplant. The LNF has been the force behind many of GM’s most popular tuner cars so what is the engine that gets more horsepower per liter than the Corvette ZR1’s LS9 doing under the bonnet of a Buick?