(one's) beloved car (or motorcycle, bicycle, etc.); (one's) wheels
愛車を丁寧に洗って磨いた。
I carefully washed and polished my beloved car.
事故で愛車が廃車になってしまった。
My beloved car was totaled in an accident.
彼は週末になると愛車でドライブするのが楽しみだ。
He looks forward to going for a drive in his beloved car on weekends.