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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 Alfa Romeo Stelvio 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 Stelvio 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 Stelvio.
The Macan offers an optional Surround View to allow the driver to see objects all around the vehicle on a screen. The Stelvio 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 Stelvio have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee 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, rearview cameras, available crash mitigating brakes and blind spot warning systems.
The Macan’s corrosion warranty is 8 years longer than the Stelvio’s (12 vs. 4 years).
There are over 21 percent more Porsche dealers than there are Alfa Romeo dealers, which makes it easier should you ever need service under the Macan’s warranty.
A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the Macan’s reliability 33 points higher than the Stelvio.
J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than Alfa Romeo vehicles. J.D. Power ranks Porsche 15th in initial quality. With 22 more problems per 100 vehicles, Alfa Romeo is ranked 29th.
From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Porsche vehicles are more reliable than Alfa Romeo vehicles. Consumer Reports ranks Porsche fourth in reliability. Alfa Romeo is ranked 29th.
The Macan S’ standard 3.0 turbo V6 produces 68 more horsepower (348 vs. 280) and 48 lbs.-ft. more torque (354 vs. 306) than the Stelvio’s 2.0 turbo 4-cylinder. The Macan GTS’ standard 2.9 turbo V6 produces 95 more horsepower (375 vs. 280) and 77 lbs.-ft. more torque (383 vs. 306) than the Stelvio’s 2.0 turbo 4-cylinder. The Macan Turbo’s standard 2.9 turbo V6 produces 154 more horsepower (434 vs. 280) and 100 lbs.-ft. more torque (406 vs. 306) than the Stelvio’s 2.0 turbo 4-cylinder.
The Macan has 2.9 gallons more fuel capacity than the Stelvio (19.8 vs. 16.9 gallons), for longer range between fill-ups.
In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Porsche Macan higher (5 out of 10) than the Alfa Romeo Stelvio (3). This means the Macan produces up to 16.5 pounds less smog-producing pollutants than the Stelvio every 15,000 miles.
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 Stelvio 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 Stelvio doesn’t offer launch control.
For better stopping power the Macan’s brake rotors are larger than those on the Stelvio:
Macan Turbo opt.
The Macan offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The Stelvio doesn’t offer ceramic brake rotors.
For better traction, the Macan’s optional tires are larger than the largest tires available on the Stelvio (F:265/40R21 & R:295/35R21 vs. 255/45R20).
The Macan’s standard 255/55R18 rear tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the Stelvio’s standard 60 series tires. The Macan’s optional 265/40R21 front and 295/35R21 rear tires have a lower 40 series front and 35 series rear profile than the Stelvio’s optional 45 series tires.
For better ride, handling and brake cooling the Macan offers optional 21-inch wheels. The Stelvio’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 Stelvio doesn’t offer a load leveling suspension.
For better handling and stability, the average track (width between the wheels) on the Macan is 1.5 inches wider in the front and .1 inches wider in the rear than the track on the Stelvio.
For greater off-road capability the Macan has a greater minimum ground clearance than the Stelvio (9 vs. 8.1 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 Stelvio doesn’t offer active grille shutters.
The Macan’s standard towing capacity is much higher than the Stelvio’s (4409 vs. 3000 pounds).
Unlike the driver-only memory seat and mirrors in the Stelvio, 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.
Manual rear side window sunshades are available in the Macan to help block heat and glare for the rear passengers. The Stelvio doesn’t offer rear side window sunshades.
When the Macan with available tilt-down mirrors is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The Stelvio’s mirror doesn’t automatically adjust for backing.
Optional air-conditioned seats in the Macan keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The Stelvio doesn’t offer air-conditioned seats.
Consumer Reports® recommends the Porsche Macan, based on reliability, safety and performance. The Alfa Romeo Stelvio isn't recommended.
The Macan was chosen as one of Car and Driver’s “Top Ten” in 2020. The Stelvio has never been a Car and Driver “Top Ten” pick.
The Porsche Macan outsold the Alfa Romeo Stelvio by over two to one during 2019.
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