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For enhanced safety, the front and rear seat shoulder belts of the Porsche Macan have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Acura RDX doesn’t offer pretensioners for the rear seat belts.
The Macan has standard Multi-collision Brake System, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The RDX doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.
To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the Macan. But it costs extra on the RDX.
Both the Macan and the RDX have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, lane departure warning systems, rearview cameras, available crash mitigating brakes, blind spot warning systems and around view monitors.
The Macan’s corrosion warranty is 7 years longer than the RDX’s (12 vs. 5 years).
J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than Acura vehicles. J.D. Power ranks Porsche fourth in initial quality, above the industry average. With 20 more problems per 100 vehicles, Acura is ranked 20th, below the industry average.
J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Porsche vehicles are more reliable than Acura vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 59 more problems per 100 vehicles, Acura is ranked 20th.
From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Porsche vehicles are more reliable than Acura vehicles. Consumer Reports ranks Porsche 2 places higher in reliability than Acura.
The Macan S’ standard 3.0 turbo V6 produces 76 more horsepower (348 vs. 272) and 72 lbs.-ft. more torque (352 vs. 280) than the RDX’s 2.0 turbo 4 cyl.
The Macan has 2.7 gallons more fuel capacity than the RDX (19.8 vs. 17.1 gallons), for longer range between fill-ups.
The Macan offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The RDX doesn’t offer an SMG or a conventional manual transmission.
The Macan’s optional launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The RDX doesn’t offer launch control.
For better stopping power the Macan’s brake rotors are larger than those on the RDX:
The Macan’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the RDX are solid, not vented.
For better traction, the Macan’s optional tires are larger than the largest tires available on the RDX (F:265/40R21 & R:295/35R21 vs. 255/40R20).
The Macan’s optional 295/35R21 rear tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the RDX A-Spec’s 40 series tires.
For better ride, handling and brake cooling the Macan offers optional 21-inch wheels. The RDX’s largest wheels are only 20-inches.
The Macan has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The Macan’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The RDX doesn’t offer a load leveling suspension.
For a smoother ride and more stable handling, the Macan’s wheelbase is 2.2 inches longer than on the RDX (110.5 inches vs. 108.3 inches).
For greater off-road capability the Macan has a greater minimum ground clearance than the RDX (9 vs. 8.2 inches), allowing the Macan to travel over rougher terrain without being stopped or damaged.
The front grille of the Macan uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The RDX doesn’t offer active grille shutters.
The Macan’s standard towing capacity is much higher than the RDX’s (4409 vs. 1500 pounds).
The Macan has a much higher standard payload capacity than the RDX (1435 vs. 838 lbs.).
The engine in the Macan is mounted longitudinally (North-South), instead of sideways, as in the RDX. This makes it easier to service and maintain, because the accessory belts are in front.
J.D. Power and Associates surveys of service recipients show that Porsche service is better than Acura. J.D. Power ranks Porsche second in service department satisfaction. With a 29% lower rating, Acura is ranked 12th.
Unlike the driver-only memory system in the RDX, the Macan offers an optional driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position, outside mirror angle and climate settings and the front passenger seat also adjusts to the new passenger’s preset preferences.
The Macan’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The RDX’s standard intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.
To help drivers see further while navigating curves, the Macan offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The RDX doesn’t offer cornering lights.
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