Caught on camera during development testing, Audi Sport's future Mercedes-AMG GLE 63 rival, which is clearly influenced in design by the RS Q8 concept of 2017, will inherit the twin-turbocharged V8 petrol engine and accompanying electric motor of the Panamera Turbo S E-Hybrid from Volkswagen Group stablemate Porsche.
In the super-saloon, the V8, which is force-fed air by a pair of twin scroll blowers, produces 542bhp and 568lb ft of torque, while the electric motor injects a further 134bhp and 295lb ft of torque through an eight-speed twin-clutch automatic gearbox.
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