Singer has returned with a wild improve for the 964-generation Porsche 911 that turns it into one thing resembling Porsche’s 934/5 race automobile that dominated the Trans Am Collection in 1977. There’s additionally energy to again up the wild appears as Singer has tuned the 911’s flat-6 engine to ship greater than 700 hp.

After launching a Mustang GT3 race automobile earlier this month, Ford has adopted up with a Mustang GT4. The newest race automobile is aimed completely at buyer groups and is intently associated to the brand new Mustang Darkish Horse that shall be in showrooms later this summer season.

Mercedes-Benz AMG’s S 63 E Efficiency is on the best way, and whereas there’s nonetheless a V-8 beneath the hood the engine is now augmented by a complicated plug-in hybrid system that makes use of know-how just like that present in Method 1. Peak output is 791 hp, and we simply put it to the check.

You may discover these tales and extra in at the moment’s automobile information, proper right here at Motor Authority.

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