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BMW X6 M50i
The BMW M model represents the top rung of the third-generation BMW X6 model line-up at launch, its immense performance headlining the dynamic character of the new Sports Activity Coupe. The new BMW X6 M50i is powered by a comprehensively newly developed 4.4-litre V8 petrol engine with maximum output of 390 kW/530 hp. Linking up with the eightspeed Steptronic transmission and xDrive intelligent all-wheel drive, the potent power delivery of the eight-cylinder unit ensures impressively sporty performance. The motor racing expertise amassed by BMW M GmbH is clearly evident in the driving characteristics of the new BMW X6 M50i, its handling a compelling concoction of exceptional steering precision, agility and stability. The eye-catching and emotionally engaging appearance of the BMW M model is underscored by bespoke flourishes in the body design, and the pronounced sporting character of the new BMW X6 M50i also shines through in its exclusive interior design.
From crankcase to engine management, the engine under the bonnet of the new BMW X6 M50i has been the recipient of sweeping change. The V8 develops maximum output of 390 kW/530 hp from its 4.4-litre displacement between 5,500 and 6,000 rpm. Meanwhile, peak torque of 750 Nm (553 lb-ft) is served up all the way from 1,800 to 4,600 rpm. The instantaneous and sustained serving of full power fits the performance profile for M engines like a glove. That an M power unit will be backed by a suitable aural accompaniment goes without saying. The flap-controlled M Sport exhaust system fitted as standard produces an exhilarating soundtrack to match the engine's prodigious power delivery. The eight-cylinder unit's standout features include the pair of twin-scroll turbochargers nestled in the 90-degree angle between the two banks of cylinders.
Audi RS Q8
The biturbo V8 in the new Audi RS Q8 draws on a mild-hybrid system (MHEV) that uses a 48-volt main electrical system as its basis. The core of the MHEV is a belt alternator-starter connected to the crankshaft. During deceleration and braking, it can recover up to 12 kW of power and store it in the compact lithium-ion battery. If the driver takes their foot off the accelerator at a speed between 34mph and 99mph, the drive management selects one of two solutions depending on the driving situation and the current setting of the Audi drive select dynamic handling system: The new RS Q8 recuperates or coasts for up to 40 seconds with the engine off. The belt alternator starter starts the engine within fractions of a second when the accelerator is actuated. MHEV technology allows for start/stop operation at a speed of up to 13mph. The mild-hybrid system is connected to the camera sensors for even greater efficiency. When stopped, the engine starts up while the brake pedal is still depressed as soon as the front camera detects that the vehicle in front of the new RS Q8 begins to move.
The power of the V8 TFSI flows to the quattro permanent all-wheel drive system via the standard eight-speed tiptronic. Configured as a planetary gear, the purely mechanical centre differential typically distributes the drive power in a 40:60 ratio to the front and rear axles. In the event of slip, more drive torque automatically goes to the axle with the better traction. Up to 70 percent can be directed to the front wheels and up to 85 percent to the rear wheels.
Wheel-selective torque control perfects the safe and agile handling of the new Audi RS Q8. During dynamic cornering, the quattro sport differential fitted as standard distributes drive torque between the rear wheels as required. This active torque vectoring improves traction, stability and dynamics.
#BMW #BMWX6#audirsq8 #audi #rsq8 #suv
BMW X6 M50i vs Audi RS Q8
2020 BMW X6 M50i
2020 Audi RS Q8
