A possible concise summary is:
The speaker is a car enthusiast who reviews an 800-horsepower BMW M5 Competition with a performance pack and a super sprint exhaust. He is amazed by the car's acceleration, noise, and violence, and compares it to other cars he has driven. He says it is one of the most brutal cars he has ever seen, and that it drained his energy. He also mentions a giveaway for an iPhone 11 and invites his audience to subscribe to his channel.
Here are the key facts extracted from the text:
1. The text is a transcript of a video where the speaker reviews a BMW M5 Competition with 800 horsepower and a performance pack.
2. The speaker is very impressed by the car's acceleration, noise, and violence, and compares it to a Bugatti Veyron and a shotgun.
3. The speaker also criticizes the original M5 Competition for being bland and lacking sensation, and praises the preparation by Saic Motors and the Supersprint exhaust.
4. The speaker says that the car is one of the top 5 most violent cars he has ever driven, and that it drained his energy and made him sick.
5. The speaker mentions that he wants to see how an AMG GT 63 compares to the M5 Competition once it is prepared to the same level.