Both meters work for automotive.
If you want RPM get the 88.
If you want True RMS get the 87.
If you want Fast Min-Max of 250 µs get the 87.
Attached is a comparison of the Fluke meters, this link should provide the same info.
The 88 and 87 kit includes leads…
Stand Alone 88V Meter (AES# F-88-5)
Fluke 87 Multimeter Series V (AES# F-87-5)
The 88 is also sold in a combo kit that includes the RPM pickup.
Automotive Meter Combo Kit (AES# F-88-5/A KIT)