The GMC S-15 Jimmy is a midsize SUV that is being compared with Chevy Blazer. Although they have the same model for the vehicle, there would still be some differences between them. The engine for Jimmy is 4.3L 262 Cu inches in 4300 V6, which is a power train for the Blazer. The rear end of Jimmy is more likely huge than Blazer. You can tell the difference by checking the rear back glass which the rear does not have any trim to which two black buttons serve in this model as the back glass strut mounting points and the front grille is chrome shell with argent silver inserts. Both Jimmy and Blazer have the center console and steering wheel which is similar to trucks. Even though they have similarities, they differ in some parts that are magnified by each manufacturer so that the efficiency of each vehicle type will not consume each other’s popularity.