There is no difference unless one are the other is a 4-wheel drive. Are if one are the other is a half ton or 3/4 ton truck. If both trucks are 3/4 ton then the transmission's will be a 4l80e If they both are 1/2 tons then it will be a 4l60e transmission. If 0ne is a 4x4 and the other is not then neither trans. will interchange. The center shaft in a 4x4 trans. is longer for the transfur case to bolt up.
The Yukon is a GMC and the Suburban is a Chevrolet.
A suburban is a couple feet longer, mechanically they are identical.
Color
The R2500 Is 2WD and the V2500 Is 4WD. Autozone tells you which is which.
the difference between the two is one is 4 wheel drive and the other is 2 wheel drive that's it. Don't know which one is which though.
chrome and trim
Interurban means between urban centres (cities) Suburban means Between the suburb and the city it is connected to.
K= 4x4, C= 2x2
R1500=2wd v1500=4wd
Nothing.
The emblems.
1500 is a 1/4 ton, 2500 is a 1/2 ton.