The German luxury automakers know how to wrap performance in a practical package. The BMW M5, Audi RS6, and Mercedes-AMG E63 exemplify this capability, but sometimes the stock power rating isn’t enough, and a simple tune can really awaken an engine. A new video shows tuned versions of the M5, RS6, and E63 battling for superiority.
The AMG’s tuned twin-turbocharged 4.0-litre V8 engine produces 810 bhp, the most of the bunch, with 737 pound-feet (1,000 Newton-metres) of torque just like the others. The estate has a nine-speed gearbox and weighs 1,995 kilograms (4,398 pounds).
Gallery: 2021 BMW M5 Competition: Review
The BMW M5 and Audi RS6 both have 750 bhp on tap. The BMW makes its power from a twin-turbocharged 4.4-litre V8 engine, while the Audi uses a twin-turbo 4.0-litre unit. Both have eight-speed automatic gearboxes, but the RS6 weighs 2,100 kg (4,629 pounds). The BMW tips the scales at 1,865 kg (4,111 lbs).
While the Mercedes had the most power on tap, it couldn’t convert those extra ponies into a win. The E63 came in last in two of the three drag races, beating out the Audi for one second-place win. The BMW won all three drag races, completing the quarter-mile in 10.5 seconds. It took the E63 10.8 seconds. The Audi needed 10.9 seconds to finish the race.
The two rolling races resulted in two more victories for the BMW. It handily won the first race with the cars set to their comfiest settings. The second run was much closer with the cars’ sportiest modes selected. The Audi got a phenomenal start and an early lead, but the BMW reeled it back in just before the pair crossed the finish line, beating the wagon by less than a bumper.
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The final brake test didn’t deviate from the race results. The BMW stopped at the shortest distance, followed by the Audi in second and the Mercedes in third. While all three cars packed a performance punch, the two estates were heavier than the saloon, which didn’t help.
The auto industry is constantly in motion, and automakers often work to improve their products. Mercedes is readying an update for the E-Class lineup, which should include tweaks to the AMG E63, and BMW is finalising its next-generation M5. We’ll watch for a revamped RS6 to see how the trio compare in the future.
Source: Carwow / YouTube