The horsepower is a characteristic that most of drivers pay the greatest attention to. In this comparison, it is the Acura Integra II which has by 4 horsepower more in comparison to the Toyota MR2 II, which makes this car slightly faster. Having more horsepower the Acura Integra II should also provide somewhat better flexiblility in specific speeds.
The width of the vehicle influences directly on passanger's inner room and driving stability. The Acura Integra II is 10 mm wider when compared to the Toyota MR2 II. It is clearly perceptible by driver and passenger in front, who have more room for their elbows.
The wheelbase of a car is the distance separating its front and rear wheels. The wheelbase significantly affects the driving due to better car's weight distribution. Acura Integra II has 6 % longer wheelbase distance in comparison to Toyota. Wheelbase dimensions are important to the balance and steering. Hence, the mass of Acura Integra II should be better distributed and driving should be easier and safer.
The Acura Integra II is 203 millimeters longer in comparison to the Toyota MR2 II 2.0 16V 156HP manual. The length of the car is significant in respect of travelling comfort and room in the trunk. The Acura Integra II very likely will be offering to it's passangers more room for legs. Aditionally the Acura Integra II will be better driven ,however, the Toyota MR2 II 2.0 16V 156HP manual will be a little easier for parking due to shorter length of the body.
Number of doors
In this case a user of the Acura Integra II 1.8 160HP gets an extra door at the back of a car. It will enable him to put things into a boot in easier manner, especialy when it comes to things of big size. Passages of both cars who are to seat in the rear need to enter a car through a front door which needs folding a front seat.
If you are a tall man or you carry in the trunk stuffs of big size, the Acura Integra II, which is by 85 mm higher than the Toyota MR2 II, would be better option for you. However, compared cars do not differ much when it comes to its height and it should not be much observable.