According to motorists, cars are better than bikes, as you feel more comfortable and relaxed inside them.

motorists 是 motorist 的复数形式。motorist 由 motor（发动机、机动车）和后缀 -ist（表示"从事某种活动的人"）组成，字面意思是"驾驶机动车的人"，即"驾车者"或"汽车驾驶员"。