Today, we delve into the near future of serious sports cars and luxury vehicles. The McLaren MP4-12C--still nearly brand new--gets some upgrades to its programming for more power. Current owners will be able to upgrade their cars, too, bringing total output to 616 horsepower.

The 2013 Mercedes-Benz lineup gets some updates and changes from the SL65 AMG to the G Class and the new SLS AMG GT. Check out all of the details in the link below.

And it looks like Porsche's 2013 911 GT3 will come with PDK dual-clutch transmission only--no manual--and pack up to 450 horsepower from a 3.8-liter flat six based on the standard Carrera S.

For all of this and more, don't miss today's car news headlines in the links below.

McLaren's MP4-12C Upgrade: The Official Details

Mercedes-Benz Overhauls Lineup For 2013

2013 Porsche 911 GT3 To Deliver 450 HP, Come With PDK Only

Ferrari Developing New V-6 And V-8 Engines For Next Quattroporte: Report

2013 Chevy Volt Gets 38-Mile Electric Range, Higher 98-MPGe Rating

2012 Scion IQ, 2012 Honda CR-Z: Same Gas Mileage, But Very Different

2013 Audi R8 e-tron Spy Video

2013 Audi RS 5 Cabrio Spy Shots

2013 Hyundai Veloster Turbo Priced From $22,725

F-Type, Range Rover Loom Large At Jaguar Land Rover