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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 Jeep Grand Cherokee SRT 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 Grand Cherokee SRT 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.
The Macan offers an optional Surround View to allow the driver to see objects all around the vehicle on a screen. The Grand Cherokee SRT only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.
Both the Macan and the Grand Cherokee SRT have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, daytime running lights, lane departure warning systems, rearview cameras, available crash mitigating brakes and blind spot warning systems.
The Macan comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Grand Cherokee SRT’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.
The Macan’s corrosion warranty is 7 years longer than the Grand Cherokee SRT’s (12 vs. 5 years).
For smoother operation, better efficiency and fewer moving parts, the engines in the Macan have an overhead cam design, rather than the old pushrod design of the engine in the Grand Cherokee SRT.
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 Jeep vehicles. J.D. Power ranks Porsche fourth in initial quality, above the industry average. With 17 more problems per 100 vehicles, Jeep is ranked 17th, 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 Jeep vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 88 more problems per 100 vehicles, Jeep is ranked 28th.
From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Porsche vehicles are more reliable than Jeep vehicles. Consumer Reports ranks Porsche 11 places higher in reliability than Jeep.
In heavy traffic or at stoplights the Macan’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The Grand Cherokee SRT doesn’t offer an automatic engine start/stop system.
The U.S. Environmental Protection Agency (EPA) certifies the Porsche Macan as an “Ultra Low Emissions Vehicle” (ULEV). The Jeep Grand Cherokee SRT is only certified to “Low Emissions Vehicle” (LEV) standards.
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 Grand Cherokee SRT doesn’t offer an SMG or a conventional manual transmission.
The Macan’s optional 265/40R21 front and 295/35R21 rear tires provide better handling because they have a lower 40 series front and 35 series rear profile (height to width ratio) that provides a stiffer sidewall than the Grand Cherokee SRT’s 45 series tires.
For better ride, handling and brake cooling the Macan offers optional 21-inch wheels. The Grand Cherokee SRT’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 Grand Cherokee SRT doesn’t offer a load leveling suspension.
For greater off-road capability the Macan has a greater minimum ground clearance than the Grand Cherokee SRT (9 vs. 8.1 inches), allowing the Macan to travel over rougher terrain without being stopped or damaged.
The Porsche Macan may be more efficient, handle and accelerate better because it weighs about 900 to 1100 pounds less than the Jeep Grand Cherokee SRT.
The Macan is 4.9 inches shorter than the Grand Cherokee SRT, making the Macan easier to handle, maneuver and park in tight spaces.
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 Grand Cherokee SRT doesn’t offer active grille shutters.
The Macan has a higher standard payload capacity than the Grand Cherokee SRT (1435 vs. 1350 lbs.).
J.D. Power and Associates surveys of service recipients show that Porsche service is better than Jeep. J.D. Power ranks Porsche second in service department satisfaction. With a 90% lower rating, Jeep is ranked 28th.
Unlike the driver-only memory system in the Grand Cherokee SRT, 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 front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Grand Cherokee SRT’s rear power window switches have to be held the entire time to open or close them fully.
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 Grand Cherokee SRT doesn’t offer cornering lights.
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