Hi — nice setup you’ve got! A few quick thoughts from what you described:
For drifting: rear-wheel drive (RWD) is usually easier to initiate and control for classic drift turns — less traction up front makes it simple to spin the back end out. 2WD can be drifted, but it’s trickier and often fights you because both wheels try to pull you straight; skilled riders sometimes mod power delivery to get a drifty feel.
For hills and bumpy lawns you’ll want torque and usable power, not just peak wattage. Dual-motor setups (like the IsinWheel RPro with two 800W motors) often give better hill-climbing and more predictable traction on rough surfaces than a single motor of similar rated power.
Given your needs/budget (~$1000, 1200W target):
KugooKirin G3 (1200W, RWD) — lighter and more drift-friendly, but may struggle on steep/bumpy lawns.
KugooKirin Q30 (2500W) — lots of power for hills and two-up riding, but heavier and may be overkill if you mainly want driftability.
IsinWheel RPro (dual 800W = 1600W) — good middle ground: better hill torque than a single 1200W, and dual motors give more control on uneven ground. It’s likely the best fit if you want both drifting ability and real hill performance.
Other things to check before buying: tire size & type, suspension quality, battery capacity (range), controller/speed modes (for tuning power delivery), and weight (heavier scooters drift differently). If your son loves drifting, prioritize a scooter with adjustable power modes so you can soften throttle for controllable slides. If you want spec sheets or manuals to compare side-by-side, you can download and save them easily via this terabox direct download link
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