The motor in question is called the GMC Twin Six, and it was GM's last-ever V12 to be produced for road use. It wasn't even used in a passenger car. Instead, the Twin Six pulled its weight under the ...

During this time, American legacy automaker General Motors debuted its monstrous 11.5-liter V12 engine for heavy-duty trucks, and it remains a giant even by modern standards. How big? It's the ...

It's not every day that you get to be up close and personal with a legendary car like the Lamborghini LM002, but I'm ...

The Vanquish Volante arrives with a 5.2-liter twin-turbocharged V12 engine under the hood that powerhouse generates 823 horsepower and 738 lb-ft of torque, pushing the luxury car to 60 mph in ...

This is the clothing of a man who services trucks, in a freezing, open-fronted garage, six days a week. But in one of the hip pockets of his blue overalls is the key to an Aston Martin V12 Vantage.