We already know that the Buick Verano Turbo makes 30 horsepower more than its larger brother, the Regal Turbo… but we don’t understand why. For those wondering, the powerplants found in both vehicles is the same 2.0 liter turbocharged four-banger (LHU) that’s also found in the Opel Insignia, Astra OPC, and Regal GS — but is good for 250 in the Verano yet only 220 in the Regal. And in both the Regal Turbo and the Verano Turbo, the LHU is good for a respectable 260 pound-feet of torque. Why the discrepancy in horsepower, then?
So let’s put it to a vote: