Certified Benz & Beemer Compares 2014 Porsche 911 VS 2014 Ford Shelby Near Phoenix, AZ

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2014 Porsche 911

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VS

2014 Ford Shelby

Safety Comparison

The 911 offers optional Porsche Active Safe, which use forward mounted sensors to warn the driver of a possible collision ahead. If the driver doesn’t react and the system determines a collision is imminent, it automatically applies the brakes at full-force in order to reduce the force of the crash or avoid it altogether. The Shelby GT500 doesn't offer collision warning or crash mitigation brakes.

The 911 offers all wheel drive to maximize traction under poor conditions, especially in ice and snow. The Shelby GT500 doesn’t offer all wheel drive.

The 911 offers optional ParkAssist to help warn drivers about vehicles, pedestrians or other obstacles behind or, optionally, in front of their vehicle. The 911 Turbo also offers an optional backup monitor to help drivers see any and all obstacles behind their vehicle. The Shelby GT500 doesn’t offer any parking assist system.

Compared to metal, the 911’s plastic fuel tank can withstand harder, more intrusive impacts without leaking; this decreases the possibility of fire. The Ford Shelby GT500 has a metal gas tank.

Both the 911 and the Shelby GT500 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control and electronic stability systems to prevent skidding.

Warranty Comparison

The 911 comes with a full 4 year/50,000 mile basic warranty, which covers the entire car and includes 24 hour roadside assistance. The Shelby GT500’s 3 year/36,000 mile basic warranty expires 1 year and 14,000 miles sooner.

The 911’s corrosion warranty is 5 years longer than the Shelby GT500’s (10 vs. 5 years).

Reliability Comparison

The battery on the 911 is in the trunk, which protects it from hot underhood temperatures which can degrade battery life. By keeping the 911’s battery 20 to 30 degrees cooler, its life is increased by years. The Shelby GT500’s battery is in the hot engine compartment.

J.D. Power and Associates rated the 911 first among midsize premium sporty cars in their 2013 Initial Quality Study. The Shelby GT500 isn’t in the top three in its category.

J.D. Power and Associates’ 2013 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than Ford vehicles. J.D. Power ranks Porsche first in initial quality, above the industry average. With 51 more problems per 100 vehicles, Ford is ranked 27th, below the industry average.

J.D. Power and Associates’ 2013 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Porsche vehicles are more reliable than Ford vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 33 more problems per 100 vehicles, Ford is ranked 13th.

Engine Comparison

In a Car and Driver race course test, the Porsche 911 S Coupe was clocked 1.7 seconds faster than the Ford Shelby GT500 Coupe (178.9 sec. vs. 180.6 sec.).

The flat cylinder configuration of the boxer engine in the 911 lowers its center of gravity, enhancing handling stability. The Shelby GT500 doesn’t offer a boxer engine configuration.

Fuel Economy and Range Comparison

On the EPA test cycle the 911 gets better fuel mileage than the Shelby GT500:

911

Shelby GT500

RWD

3.4/Manual

19 city/27 hwy

n/a

3.8 S/Manual

19 city/27 hwy

15 city/24 hwy

V8 Supercharged

3.4/Auto

20 city/28 hwy

n/a

3.8 S/Auto

19 city/27 hwy

n/a

AWD

3.4 Coupe/Manual

19 city/27 hwy

n/a

3.4 Cabriolet/Manual

19 city/26 hwy

n/a

3.8 S/Manual

18 city/26 hwy

n/a

3.4/Auto

20 city/28 hwy

n/a

3.8 S/Auto

19 city/26 hwy

n/a

3.8 Turbo/Auto

17 city/24 hwy

n/a

3.8 Turbo S/Auto

17 city/24 hwy

n/a

Regenerative brakes improve the 911’s fuel efficiency by converting inertia back into energy instead of wasting it. The Shelby GT500 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the 911 (except GT3)’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 Shelby GT500 doesn’t offer an automatic engine start/stop system.

The 911 RWD/Turbo/GT3’s standard fuel tank has almost a gallon more fuel capacity than the Shelby GT500 (16.9 vs. 16 gallons), for longer range between fill-ups. The 911 GT3’s optional fuel tank has 7.7 gallons more fuel capacity than the Shelby GT500 (23.7 vs. 16 gallons).

Brakes and Stopping Comparison

For better stopping power the 911 Turbo/GT3’s front brake rotors are larger than those on the Shelby GT500:

911 Turbo/GT3

Shelby GT500

Front Rotors

16.1 inches

15 inches

Rear Rotors

15.4 inches

13.8 inches

The 911 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 Shelby GT500 doesn’t offer ceramic brake rotors.

In an emergency stopping situation, many drivers don’t press the brakes with enough force to stop the vehicle in the shortest distance. The 911 has a standard brake assist system to detect emergency braking situations (by how hard and how quickly the brake pedal is pressed) and then automatically apply maximum braking immediately in order to help prevent a collision. The Shelby GT500 doesn’t offer a brake assist feature.

The 911 stops much shorter than the Shelby GT500:

911

Shelby GT500

70 to 0 MPH

135 feet

155 feet

Car and Driver

60 to 0 MPH

.93 feet

101 feet

Motor Trend

Tires and Wheels Comparison

The 911’s optional 245/35R20 front and 295/30R20 rear tires provide better handling because they have a lower 35 series front and 30 series rear profile (height to width ratio) that provides a stiffer sidewall than the Shelby GT500’s 40 series front and 35 series rear tires.

For better ride, handling and brake cooling the 911 offers optional 20-inch wheels. The Shelby GT500’s largest wheels are only 19-inches in the front and 20-inches in the rear.

Suspension and Handling Comparison

For superior ride and handling, the Porsche 911 has fully independent front and rear suspensions. An independent suspension allows the wheels to follow the road at the best angle for gripping the pavement, without compromising ride comfort. The Ford Shelby GT500 has a solid rear axle, with a non-independent rear suspension.

The 911 offers active sway bars, which help keep it flat and controlled during cornering, but disconnect at lower speeds to smooth the ride and offer greater off-road suspension articulation. This helps keep the tires glued to the road on-road and off. The Shelby GT500 doesn’t offer an active sway bar system.

The 911 GT3 Coupe handles at 1.12 G’s, while the Shelby GT500 Coupe pulls only 1.00 G’s of cornering force in a Car and Driver skidpad test.

The 911 S Coupe Carrera 4 executes Motor Trend’s “Figure Eight” maneuver quicker than the Shelby GT500 Coupe (23.9 seconds @ .85 average G’s vs. 24.4 seconds @ .83 average G’s).

For better maneuverability, the 911 Turbo/GT3’s turning circle is 2.2 feet tighter than the Shelby GT500’s (34.8 feet vs. 37 feet). The 911’s turning circle is .6 feet tighter than the Shelby GT500’s (36.4 feet vs. 37 feet).

Chassis Comparison

The Porsche 911 may be more efficient, handle and accelerate better because it weighs about 300 to 800 pounds less than the Ford Shelby GT500.

The 911 is 1 foot shorter than the Shelby GT500, making the 911 easier to handle, maneuver and park in tight spaces.

As tested by Car and Driver, the interior of the 911 S Coupe is quieter than the Shelby GT500 Coupe:

911

Shelby GT500

At idle

52 dB

55 dB

70 MPH Cruising

68 dB

76 dB

Passenger Space Comparison

The 911 Coupe has 3.4 inches more front legroom and .5 inches more rear shoulder room than the Shelby GT500 Coupe.

Cargo Capacity Comparison

The 911’s standard rear seats fold to accommodate long and bulky cargo. The Shelby GT500 Convertible doesn’t offer folding rear seats.

Ergonomics Comparison

To help each driver find a more comfortable driving position, the 911 offers a telescoping steering wheel. Much better than just a tilt steering wheel or adjustable seat, this allows a short driver to sit further from the steering wheel while maintaining contact with the pedals. The Shelby GT500 doesn’t offer a telescoping steering wheel.

When three different drivers share the 911, the optional memory system makes it convenient for all three. Each keyless remote activates different, customized memories for the driver’s seat position, steering wheel position, outside mirror angle, climate settings and radio stations. The Shelby GT500 doesn’t offer a memory system.

The 911’s optional easy entry system raises the steering wheel and glides the driver’s seat back when the door is unlocked or the ignition is switched off, making it easier for the driver to get in and out. The Shelby GT500 doesn’t offer an easy entry system.

The 911’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 Shelby GT500’s rear power window switches have to be held the entire time to open or close them fully.

Porsche Entry and Drive optional on the 911 allows you to unlock the driver’s door, trunk and start the engine all without removing a key from pocket or purse. This eliminates searching for keys before loading groceries, getting in the vehicle in bad weather or making a hurried start to your trip. The Ford Shelby GT500 doesn’t offer an advanced key system.

The 911 has a standard locking fuel door with a remote release located convenient to the driver. A locking fuel door helps prevent vandalism, such as sugar in the tank and fuel theft. The Shelby GT500 doesn’t offer a locking fuel door.

The 911’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 Shelby GT500’s manually variable intermittent wipers have to be constantly adjusted.

Heated windshield washer nozzles are standard on the 911 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Shelby GT500 doesn’t offer heated windshield washer nozzles.

To improve rear visibility by keeping the rear window clear, the 911 offers an optional rear wiper. The Shelby GT500 doesn’t offer a rear wiper.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The 911 has standard headlight washers to keep headlight output high. The Shelby GT500 doesn’t offer headlight washers.

To help drivers see further while navigating curves, the 911 offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Shelby GT500 doesn’t offer cornering lights.

The 911’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. The Shelby GT500 doesn’t offer heated side mirrors.

The 911 offers optional automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Shelby GT500 has an automatic rear view mirror, but its side mirrors don’t dim.

The 911’s optional air conditioned front seats cool the driver and front passenger and help take the sting out of hot leather in Summer. The Shelby GT500 doesn’t offer air conditioned front seats.

The 911 has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning costs extra on the Shelby GT500.

To keep a safe, consistent following distance, the 911 PDK offers an optional Adaptive Cruise Control, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The Shelby GT500 doesn’t offer an adaptive cruise control.

Recommendations Comparison

Intellichoice recognized the Porsche 911 as a “Best Overall Value of the Year” for the 2013 model year.

Motor Trend performed a comparison test in its November 2012 issue and they ranked the Porsche 911 S Coupe first. They ranked the Ford Shelby GT500 Coupe seventh.

J.D. Power and Associates rated the 911 second among midsize premium sporty cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The Shelby GT500 isn’t in the top three.

The 911 was chosen as one of Automobile Magazine’s “All Stars” for 6 of the last 18 years. The Shelby GT500 has never been an “All Star.”

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