Nissan Kicks is so much fun to drive, but it could use a little more oomph than its 122 max horsepower and 114 lb-ft peak torque. Its 1.6-liter 4-cylinder engine is married to Nissan’s Xtronic CVT (Continuously Variable Transmission) and this powertrain achieves a fuel economy rating of 31 mpg in the city and 36…