CARFAX CERTIFIED
DRIVEN AN AVERAGE OF ONLY 12,600 MILES PER YEAR
The venerable Nissan 3.7-liter V-6 underhood in the 2011 Infiniti M37 we recently test drove is satisfyingly powerful. Its 330 horses (five more than the outgoing V-8 powered 2010 M45) awaken with a muted roar when you nail the gas pedal, and you'll have no trouble getting up to freeway speeds in a hurry from the on-ramp