The retired boxing champion drove his 'diamond on wheels' to a basketball game.

Mayweather bought this super car in 2015.

He shared the news of his $4.8m purchase via Instagram.

"My new 4.8 Million dollar car. $4,800,000.00 Koenigsegg CCXR Trevita supercar. KOENIGSEGG Is An ULTRA Boutique Automobile Manufacturer For The Super Rich.

KOENIGSEGG made only 2 TREVITA'S for the World, and this is No.2 of 2. In addition it is the only USA Spec TREVITA Built in the World.

The Origin of the car is Sweden. The word TREVITA means "3 Whites". It is beyond a Super Car, and is classified as a " Hyper Car," his caption read.