Certified Benz & Beemer Compares 2009 Porsche 911 VS 2009 Chevrolet Corvette Near Phoenix, AZ

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2009 Porsche 911

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VS

2009 Chevrolet Corvette

Safety Comparison

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The 911 has standard head airbag curtains which act as a forgiving barrier between the driver and front passenger's upper bodies and the window and pillars. Combined with high-strength steel door beams and lower side airbags this system increases head protection in broadside collisions. Head airbags cost extra in the Corvette.

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

The 911 offers optional parking sensors to help warn drivers about vehicles, pedestrians or other obstacles behind their vehicle. The Corvette doesn’t offer any parking assist system.

Both the 911 and the Corvette have standard driver and passenger frontal airbags, front seatbelt pretensioners, four wheel antilock brakes, traction control and electronic stability systems to prevent skidding.

Warranty Comparison

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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 Corvette’s 3 year/36,000 mile basic warranty expires 1 year and 14,000 miles sooner.

The 911’s corrosion warranty is 4 years and unlimited miles longer than the Corvette’s (10/unlimited vs. 6/100,000).

Reliability Comparison

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For smoother operation, better efficiency and fewer moving parts, the engines in the 911 have an overhead cam design, rather than the old pushrod design of the engines in the Corvette.

The 911’s reliability is better than the Corvette’s. In Consumer Reports, the 911’s reliability is 87% better.

J.D. Power and Associates’ 2008 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than Chevrolet vehicles. J.D. Power ranks Porsche first in initial quality, above the industry average. With 26 more problems per 100 vehicles, Chevrolet is ranked 10th.

Engine Comparison

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As tested in Road & Track the 911 GT3 is faster than the Corvette Z06 (manual transmissions tested):

911

Corvette

Zero to 60 MPH

3.9 sec

4.1 sec

Quarter Mile

12.1 sec

12.2 sec

As tested in Road & Track the 911 Turbo is faster than the Corvette Z06 (manual transmissions tested):

911

Corvette

Zero to 60 MPH

3.4 sec

4.1 sec

Zero to 100 MPH

7.9 sec

8.9 sec

Quarter Mile

11.7 sec

12.2 sec

Speed in 1/4 Mile

121.2 MPH

118.7 MPH

For more instantaneous acceleration and better engine flexibility in any gear, the 911’s engines produce their peak torque at lower RPM’s than the Corvette:

Torque

911 3.6 DOHC 6 cyl.

4400 RPM

911 S 3.8 DOHC 6 cyl.

4400 RPM

911 Turbo 3.6 turbo 6 cyl.

1950 RPM

911 GT2 Coupe 3.6 turbo 6 cyl.

1950 RPM

Corvette 6.2 LS2 V8

4600 RPM

Corvette 2 mode exhaust 6.2 LS2 V8

4600 RPM

Corvette Z06 7.0 LS7 V8

4800 RPM

Corvette ZR1 6.2 supercharged LS2 V8

3800 RPM

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

Fuel Economy and Range Comparison

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The 911 GT2’s standard fuel tank has 5.8 gallons more fuel capacity than the Corvette (23.8 vs. 18 gallons).

Brakes and Stopping Comparison

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The 911’s standard brakes have 14% more swept area (the area covered by the brake pads) than the Corvette (535 vs. 471 square inches), so the 911 has more braking power available. The 911 Turbo/GT3/GT2’s brakes have 57% more swept area (the area covered by the brake pads) than the Corvette (740 vs. 471 square inches), so the 911 Turbo/GT3/GT2 has more braking power available.

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 Corvette doesn’t offer a brake assist feature.

The 911 stops much shorter than the Corvette:

911

Corvette

80 to 0 MPH

184 feet

212 feet

Road & Track

70 to 0 MPH

145 feet

170 feet

Car and Driver

60 to 0 MPH

98 feet

113 feet

Motor Trend

60 to 0 MPH (Wet)

127 feet

145 feet

Consumer Reports

Suspension and Handling Comparison

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The front and rear suspension of the 911 uses coil springs for better ride, handling and control than the Corvette, which uses transverse leafs springs. Coil springs compress more progressively and offer more suspension travel for a smoother ride with less bottoming out.

The 911 GT2 Coupe handles at 1.10 G’s, while the Corvette Coupe pulls only .95 G’s of cornering force in a Motor Trend skidpad test.

The 911 GT2 Coupe goes through Road & Track’s slalom 8.9 MPH faster than the Corvette Coupe (75.9 vs. 67 MPH).

For better maneuverability, the 911’s turning circle is 3 feet tighter than the Corvette’s (36 feet vs. 39 feet).

Chassis Comparison

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As tested by AutoWeek, the interior of the 911 Turbo Coupe Carrera 4 is quieter than the Corvette Z06:

911

Corvette

At idle

54 dB

58 dB

Full-Throttle

79 dB

87 dB

60 MPH Cruising

67 dB

76 dB

Passenger Space Comparison

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The 911 has standard seating for 4 passengers; the Corvette can only carry 2.

The 911 has 11.9 cubic feet more passenger volume than the Corvette (64 vs. 52.1).

Cargo Capacity Comparison

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The 911 Cabriolet has a much larger trunk than the Corvette Convertible with its top down (9.9 vs. 5.1 cubic feet).

Ergonomics Comparison

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The 911’s front power windows open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Corvette’s power windows’ switches have to be held the entire time to close them fully.

If the windows are left down on the 911 the driver can raise them all using the key in the outside lock cylinder; on a hot day the driver can lower the windows. The driver of the Corvette can only operate the windows from inside the vehicle, with the ignition on.

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 Corvette’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 Corvette 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 Corvette 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 offers available headlight washers to keep headlight output high. The Corvette 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 Corvette doesn’t offer cornering lights.

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 Corvette doesn’t offer air conditioned front seats.

The 911’s standard separate stalk mounted cruise control is close at hand. The Corvette’s standard cruise control is on an over-crowded turn signal stalk.

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