Certified Benz & Beemer Compares 2008 Porsche 911 VS 2008 Audi R8 Near Scottsdale, AZ

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2008 Porsche 911

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VS

2008 Audi R8

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. The R8 doesn't offer side airbag protection for the head.

Both the 911 and the R8 have standard driver and passenger frontal airbags, front side-impact airbags, front seatbelt pretensioners, four wheel antilock brakes, traction control, electronic stability systems to prevent skidding and available all wheel drive.

Engine Comparison

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The 911 Turbo’s standard 3.6 turbo 6 cyl. produces 60 more horsepower (480 vs. 420) and 143 lbs.-ft. more torque (460 vs. 317) than the R8’s 4.2 DOHC V8.

As tested in Road & Track the Porsche 911 is faster than the Audi R8 (manual transmissions tested):

911 S

911 GT3

R8

Zero to 60 MPH

3.9 sec

3.9 sec

4.3 sec

Zero to 80 MPH

6.4 sec

n/a

7 sec

Zero to 100 MPH

9.6 sec

8.7 sec

10.5 sec

Quarter Mile

12.3 sec

12 sec

12.7 sec

Speed in 1/4 Mile

114.8 MPH

118 MPH

111 MPH

For more instantaneous acceleration and better engine flexibility in any gear, the 911’s engines produce their peak torque and horsepower at lower RPM’s than the R8:

Horsepower

Torque

911 3.6 DOHC 6 cyl.

6800 RPM

4250 RPM

911 S 3.8 DOHC 6 cyl.

6600 RPM

4600 RPM

911 GT3 3.6 GT3 6 cyl.

7600 RPM

5500 RPM

911 Turbo 3.6 turbo 6 cyl.

6000 RPM

1950 RPM

R8 4.2 DOHC V8

7800 RPM

6000 RPM

The flat cylinder configuration of the boxer engine in the 911 lowers its center of gravity, enhancing handling stability. The R8 doesn’t offer a boxer engine configuration.

Fuel Economy and Range Comparison

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On the EPA test cycle the 911 Turbo gets better fuel mileage than the R8:

911

R8

Manual

16 city/23 hwy

13 city/20 hwy

Auto

15 city/23 hwy

13 city/18 hwy

Brakes and Stopping Comparison

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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 R8 doesn’t offer ceramic brake rotors.

The 911 stops much shorter than the R8:

911

R8

80 to 0 MPH

184 feet

204 feet

Road & Track

70 to 0 MPH

145 feet

160 feet

Car and Driver

60 to 0 MPH

99 feet

112 feet

Motor Trend

Suspension and Handling Comparison

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The 911 GT3 handles at 1.05 G’s, while the R8 pulls only .97 G’s of cornering force in a Car and Driver skidpad test.

The 911 GT3 goes through Road & Track’s slalom 3 MPH faster than the R8 (73.2 vs. 70.2 MPH).

For better maneuverability, the 911’s turning circle is 2.7 feet tighter than the R8’s (36 feet vs. 38.7 feet).

Chassis Comparison

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The Porsche 911 may be more efficient, handle and accelerate better because it weighs up to about 500 pounds less than the Audi R8.

As tested by AutoWeek while under full throttle, the interior of the 911 Turbo Carrera 4 is quieter than the R8 (79 vs. 81 dB).

Passenger Space Comparison

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The 911 has standard seating for 4 passengers; the R8 can only carry 2.

Cargo Capacity Comparison

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The 911 Coupe has a much larger trunk (front and rear combined) than the R8 (11.7 vs. 6.7 cubic feet).

Ergonomics Comparison

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The 911’s instruments include an oil pressure gauge and a temperature gauge – which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The R8 does not have an oil pressure gauge.

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 R8’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 R8 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 R8 doesn’t offer a rear wiper.

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