我試試哈~~

首先price difference是中翻英，我覺得英語應該是 different prices，或 difference in prices。你可以換一個問法：Are they at same price? 或 Are the prices different？

 

Does the "supreme" one worth the price difference?

這句簡直太中文翻譯英文了，我會說 Is supreme a better/good deal?
 

不一定正確，僅供參考：）