I can recommend tay models, ive used them a few times.
As for an rc car, id be looking for something with a quick charger rather than a quick motor, most kids will crash a quick rc car instantly.
Something with big wheels will handle grass more easily, oil filled shocks are good, but not essential, a spare battery would be more useful.
Don’t discount tamiya straight off, spare parts and upgrades are plentiful and reasonably priced.
Most recent car i bought was a schumacher mission, carbon fibre chassis, belt drive 4wd, oil filled shocks etc. Complete with 4 spare sets of wheels and tyres and two bodyshells for £25 off ebay.
Added my own radio, and a brushless motor/speed control, cheap £20 battery.
Dunno how fast it goes, but anyone who has seen it always says holy sh*t!
Total cost around £120