We've been wanting to bring you a test report on one of the four General Motors "Special X" cars with a V6 powerplant for quite some time. Now we're glad we waited, because the particular car we just ...

This cutaway comparison of a standard 3.8-liter block (left) and a heavy-duty 3.8-liter block (part No. 25500003) reveal thicker main webs, an additional lifter valley rib and heavier pan rails. The H ...

Often has it been said that the Buick Turbo V6 is a different kind of animal. This animal is not easily tamed, and more than a few engine builders have fallen victim to its idiosyncrasies. New Jersey ...

Attainable performance and luxury — that is Buick’s motif surrounding the 2018 Buick Regal GS. After months of leaks and speculation, here it is, and it’s packing the oft-rumored 3.6-liter V6 LGX ...