Porsche Panamera 4S - It's a Porsche, a f*t one though 
Head to Head:
BMW M135i (Automatic): 2979 cc R6 turbo
Weight: 1515 kg / 3340 lb
Max output: 235 kW / 316 bhp
Weight to Power ratio: 10.76 lb/bhp
Max torque: 450 Nm
Sprint 0-62mph: 4.9 s
Top speed: 155 mph (limited)
Porsche Panamera 4S: 2894 cc V6 Biturbo
Weight: 1870 kg / 4123 lb
Max output: 324 kW / 434 bhp
Weight to Power ratio: 9.5 lb/bhp
Max torque: 550 Nm
Sprint 0-62mph: 4.4 s
Top speed: 180 mph[/QUOTE]