For 2015, just from Chevrolet, the budget end of GM, there is an excellent variety of 400+ HP choices with manual transmissions.

SS 6.2L V8, 415 HP, 415 ft lb of torque, 6 speed manual, magnetic ride suspension


Camaro 1SS or 2SS 6.2L V8, 426 HP, 420 ft lb of torque, 6 speed manual

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Camaro ZL1, 6.2L V8, 580HP, 556 ft lb of torque, 6 speed manual, magnetic ride suspension

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Camaro Z28, 7.0L V8, 505 HP, 481 ft lb of torque, 6 speed manual, 7:37 Nurbugring time

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Corvette, 6.2L V-8, 460 HP, 465 ft lb of torque, 7 speed manual

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Corvette Z06, 6.2L V-8, 650 HP, 650 ft lb torque, 7 speed manual, Nurburgring time – don’t know, but it wasn’t 6:59.13