I have checked all old coupons and price is 59.76 USD for 1/18 RC Car (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood (59.76 USD)
Banggood warehouse is located in China. Low/high price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 58.72 USD) There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Price without coupon: 59.99 USD
Coupon (59.76 USD): BG982012
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG1c2465, BGMatt2022, BG589b2e, BGAUGUST8, BGdbffc8, BGCAPITALOS8, BGRCCar5
(there’s a little possibility that old coupon will work)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for LDRC 1802 RTR 1/18 RC Car with 2 Batteries? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).