A Mercedes-AMG GT C is seen at the AMG tuning booth during the Warsaw Motor Show 2018 in Nadarzyn, southwest of Warsaw, Poland, on Nov. 16, 2018. (Photos: Xinhua)

A Brabus tuned Mercedes G wagon is seen at the AMG tuning booth during the Warsaw Motor Show 2018 in Nadarzyn, southwest of Warsaw, Poland, on Nov. 16, 2018.

A woman looks at a classic Aston Martin car during the Warsaw Motor Show 2018 in Nadarzyn, southwest of Warsaw, Poland, on Nov. 16, 2018.

A Mercedes 300SL Gullwing is seen during the Warsaw Motor Show 2018 in Nadarzyn, southwest of Warsaw, Poland, on Nov. 16, 2018.

A Lamborghini sports car is seen on display during the Warsaw Motor Show 2018 in Nadarzyn, southwest of Warsaw, Poland, on Nov. 16, 2018.

A newly revealed Audi A6 Avant is seen during the Warsaw Motor Show 2018 in Nadarzyn, southwest of Warsaw, Poland, on Nov. 16, 2018.