Rear-engine, rear-wheel-drive layout
In automotive design, an RR, or rear-engine, rear-wheel-drive, layout places both the engine and drive wheels at the rear of the vehicle. In contrast to the RMR layout, the center of mass of the engine is between the rear axle and the rear bumper.
Source: Wikipedia — Rear-engine, rear-wheel-drive layout (CC BY-SA 4.0)