Axial and trx4 I can say both parts and aftermarket.
Redcat, and the car listed below are the only 1/8ths I know of. The axial with the jeep cherokee is on the verge of 1/8 imo.
https://www.bigsquidrc.com/traction-hobby-1-8-tank-300-rtr-scale-crawler/
You can find a 1/8 body and make a 1/10...