• Porsche 911 Targa

Porsche is dialing up the 911 with two new models, the Targa 4 and 4S. As with the original 1965 Targa, the new models features a roof bar, movable front roof section and wraparound rear window. But the roof of the Targa 4 and 4S can open and close at the push of a button and stow behind the rear seat. Porsche said it is aiming for a “sporty and low-slung profile.”

• Corvette Z06

General Motors rolled out a hot new version of the Corvette Stingray called the Z06, with a staggering 625-horsepower supercharged V8 engine. The company says the performance of the 2015 Z06 will rival the best supercars in the world.

• Mercedes-Benz S600, GLA45 AMG

The top model from Mercedes-Benz is getting an upgrade. The S600 sedan features a 12-cylinder, 6.0-liter twin-turbocharged engine that packs 523 horsepower. With the look and feel expected from the highest tier of the luxury brand, it seats four or five and features touchpad controls that allow letters, numbers and special characters to be entered in writing in nine languages. It’s scheduled to go on sale in the spring.

In addition, Mercedes is showing its GLA45 AMG, a small SUV from its AMG performance division that’s so low-profile it looks more like a sporty car and seats up to five. It has a 2.0-liter, turbocharged four-cylinder engine with 355 horsepower.

• BMW 2 Series Coupe, M3 Sedan, M4 Coupe

The two-door, four-seat, rear-wheel drive 2 Series Coupe ― the replacement for the 1 Series Coupe ― will come in a 228i version, which features a 240 horsepower, 2.0-liter V4 engine, and the M235i version, which features a 322-horsepower, 3.0-liter V6 engine. BMW also is showing its new 2015 model M3 Sedan and M4 Coupe. Plans call for the cars to go on sale in early summer, with pricing and options announced in the coming months.