If you are the type of person who reads the last page of a detective novel first, or fast-forwards to the end of a movie murder mystery, we'll save you the trouble of wading through four pages of text ...

There is only one way to find out for sure. Many Street Stock racing classes limit the ignition to stock-style replacement parts. For most Chevrolet and Ford engines, this means an HEI distributor is ...

GM Authority is proud to stand as the number one source of General Motors spy shots in the world. Most of these photos are of prototypes that are in various stages of development, and we sometimes ...

The testing performed at the General Motors Milford Proving Ground is grueling on both drivers and vehicles. The engineers who evaluate cars at high speeds are the top guns of driving and there are ...

GM began testing in Michigan and Texas in February and in San Francisco in mid-April, the company said July 7. GM calls its system Level 3, the lowest that is still considered autonomous. GM said the ...

The popular 24-hour test drive GM tried out a while back has returned, but this time the company has added a $250 check to those that drive a GM product and then decide to buy something else. Is GM ...