We often see Audi RS performance models competing with machines like BMW M and Mercedes AMG. Sometimes, however, a friendly sibling rivalry has to be settled, and Carwow is eager to help settle the score. His latest YouTube video shows the Audi RS4 Avant against its big brother, the Audi RS7 Sportback. While the two wear the RS badge, they have their differences.
The largest is the powertrain. The RS7 sports a 4.0-liter twin-turbocharged V8 that produces 600 horsepower (447 kilowatts) and 590 pound-feet (800 Newton meters) of torque. The RS4 has a 2.9-liter twin-turbo V6 developing 450 hp (335 kW) and 443 lb-ft (600 Nm) of torque. They both have an eight-speed gearbox, a Quattro all-wheel drive and a launch control. The RS7 also weighs more than 2,065 kilograms (4,552 pounds) to 1,750 kg (3,858 pounds).
It looks like the RS7 has the advantage, but the first two drag races have not worked in their favor, failing twice to achieve a solid launch from the start line. However, the third race went much better for the larger Audi, finishing the quarter-mile in 11.6 seconds after the 12.1-second time of the RS4. The rolling racing pair also had two more wins in the RS7. The RS7 also won the brake test at the end of the video, stopping at a shorter distance than the RS4 despite its additional weight.
The stormy starts of the RS7 are just another example of the importance of a good start at the start of a race, which can make or break a race. The slightest delay can override any chance of winning, that the late car has more power and torque, which happened in the case of the RS7. The RS7 in the video had a £ 30,000 ($ 37,000) premium over the RS4, and it’s nice to see that extra batter reflected in the difference in performance.