2019 Maserati GranTurismo Convertible vs. 2019 Porsche 911

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/03/31

For enhanced safety, the front and rear seat shoulder belts of the Maserati GranTurismo Convertible 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 Porsche 911 doesn’t offer pretensioners for the rear seat belts.

Both the GranTurismo Convertible and the 911 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights and front and rear parking sensors.

The Maserati GranTurismo Convertible weighs 683 to 1249 pounds more than the Porsche 911. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts.

Engine

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The GranTurismo Convertible’s 4.7 DOHC V8 produces 84 more horsepower (454 vs. 370) and 53 lbs.-ft. more torque (384 vs. 331) than the 911’s standard 3.0 turbo 6 cyl. The GranTurismo Convertible’s 4.7 DOHC V8 produces 34 more horsepower (454 vs. 420) and 16 lbs.-ft. more torque (384 vs. 368) than the 911 S’ standard 3.0 turbo 6 cyl. The GranTurismo Convertible’s 4.7 DOHC V8 produces 4 more horsepower (454 vs. 450) than the 911 GTS’ standard 3.0 turbo 6 cyl.

Fuel Economy and Range

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The GranTurismo Convertible has 2.9 gallons more fuel capacity than the 911 RWD’s standard fuel tank (19.8 vs. 16.9 gallons), for longer range between fill-ups.

Transmission

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The Maserati GranTurismo Convertible comes standard with an automatic transmission, for driver comfort, especially in the city. Automatic costs extra on the 911.

Brakes and Stopping

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For better stopping power the GranTurismo Convertible’s standard brake rotors are larger than those on the 911:

GranTurismo

911

Front Rotors

14.2 inches

13 inches

Tires and Wheels

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/03/31

For better traction, the GranTurismo Convertible has larger front tires than the 911 (245/35R20 vs. 235/40R19).

The GranTurismo Convertible’s tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the 911’s standard 40 series front tires.

For better ride, handling and brake cooling the GranTurismo Convertible has standard 20-inch wheels. Smaller 19-inch wheels are standard on the 911.

Suspension and Handling

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/03/31

For a smoother ride and more stable handling, the GranTurismo Convertible’s wheelbase is 19.3 inches longer than on the 911 (115.8 inches vs. 96.5 inches).

For better handling and stability, the track (width between the wheels) on the GranTurismo Convertible is 1.3 inches wider in the front and 1.4 inches wider in the rear than the average track on the 911.

The GranTurismo Convertible’s front to rear weight distribution is more even (49% to 51%) than the 911’s (40.1% to 59.9%). This gives the GranTurismo Convertible more stable handling and braking.

Passenger Space

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Because it has more passenger and cargo room, the EPA rates the GranTurismo Convertible a Subcompact car, while the 911 Cabriolet is rated a Minicompact.

The GranTurismo Convertible has 17 cubic feet more passenger volume than the 911 Cabriolet (85 vs. 68).

Cargo Capacity

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The GranTurismo Convertible has a larger trunk than the 911 Cabriolet (6.1 vs. 5.1 cubic feet).

Ergonomics

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The GranTurismo Convertible’s standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. An easy entry system costs extra on the 911.

If the windows are left open on the GranTurismo Convertible the driver can close them all at the outside door handle. On a hot day the driver can also lower the windows the same way. The driver of the 911 can only operate the windows from inside the vehicle, with the ignition on.

For greater rear passenger comfort, the GranTurismo Convertible has standard rear a/c vents to keep rear occupants more comfortable. The 911 doesn’t offer rear vents.

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