850WHP Audi RS5 Quattro | 4.0 TFSI Swap & G40-1150 Turbo Acceleration & Sound by turboandstance - September 4, 2026 The 850 WHP Audi RS5 Quattro features a 4.0 TFSI engine swap and massive Garrett G40-1150 single turbo, producing 850WHP and around 1000HP at the crank. This USA-built RS5 delivers brutal power and extreme acceleration. Watch this Audi RS5 accelerate from 0-148 mph (238 km/h) with massive boost and all-wheel-drive traction. The combination of the 4.0 TFSI, G40-1150 turbo and Quattro system makes this one seriously fast Audi build. For more content like this one follow us also on Facebook, Pinterest or Instagram!