What is the major difference between a Civic DX and EX engine?
There is no difference between the engines in the DX and EX trims of the Honda Civic. Both trims use the same 2.0-liter four-cylinder engine that produces 158 horsepower and 138 pound-feet of torque. The main differences between the DX and EX trims are in the features and equipment they offer, such as the EX trim having more standard features and a more upscale interior.