Certified Benz & Beemer Compares 2005 Porsche 911 VS 2005 Acura NSX Near Scottsdale, AZ

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2005 Porsche 911

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VS

2005 Acura NSX

Safety Comparison

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For enhanced safety, the front seat shoulder belts of the Porsche 911 are height adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Acura NSX doesn’t offer height adjustable seat belts.

The NSX cannot safely hold a rear facing infant safety seat, the only safe, legal way to transport babies from birth to one year old. Because the NSX has no rear seats, the only unoccupied seat faces the passenger side airbag, which can injure or kill a baby in a rear facing safety seat. The 911’s rear seat is safe for a rear facing infant safety seat.

The 911 has standard front seat side-impact airbags and head airbags, which act as a forgiving barrier between the passengers and the door. Combined with high-strength steel door beams this system increases protection from broadside collisions. The NSX doesn’t offer side-impact airbags.

The 911 has standard Porsche Stability Management (PSM), which uses the antilock brake hardware along with powerful software and additional sensors to detect the beginning of a skid. PSM then intervenes by automatically applying the brake at one appropriate wheel, preventing a skid. The NSX doesn’t offer skid prevention.

The 911 offers an optional backup radar to help warn drivers about vehicles, pedestrians or other obstacles behind their vehicle. This collision warning system uses radar to detect obstacles behind the rear bumper. The NSX doesn’t offer a rear collision sensor.

Both the 911 and the NSX have standard driver and passenger frontal airbags, front seatbelt pretensioners, four wheel antilock brakes and available traction control.

Warranty Comparison

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

Reliability Comparison

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The camshafts in the 911’s engine are driven by a hardened steel chain, with no maintenance needs. The NSX’s camshafts are driven by a rubber belt which eventually needs to be replaced. If the NSX’s cam drive belt breaks the engine could be severely damaged when the pistons hit the opened valves.

Engine Comparison

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The 911’s standard 3.6 DOHC 6 cyl. produces 73 more horsepower (325 vs. 252) and 64 lbs.-ft. more torque (274 vs. 210) than the NSX automatic’s standard 3.0 DOHC V6. The 911’s 3.6 DOHC 6 cyl. produces 35 more horsepower (325 vs. 290) and 50 lbs.-ft. more torque (274 vs. 224) than the NSX’s standard 3.2 DOHC V6. The 911 S’ standard 3.8 DOHC 6 cyl. produces 65 more horsepower (355 vs. 290) and 71 lbs.-ft. more torque (295 vs. 224) than the NSX’s standard 3.2 DOHC V6.

As tested in Car and Driver the Porsche 911 is faster than the Acura NSX 3.2 DOHC V6 (manual transmissions tested):

911 3.6

911 S

NSX

Zero to 60 MPH

4.3 sec

4.1 sec

4.8 sec

Zero to 100 MPH

10.5 sec

10.2 sec

11.7 sec

Quarter Mile

12.8 sec

12.6 sec

13.4 sec

Speed in 1/4 Mile

109 MPH

112 MPH

106 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 NSX:

Torque

911 3.6 DOHC 6 cyl.

4250 RPM

911 S 3.8 DOHC 6 cyl.

4600 RPM

NSX automatic 3.0 DOHC V6

5300 RPM

NSX 3.2 DOHC V6

5500 RPM

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

Fuel Economy and Range Comparison

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The 911 gets better fuel mileage than the NSX (18 city/26 hwy vs. 17 city/24 hwy).

Brakes and Stopping Comparison

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For better stopping power the 911’s front brake rotors are larger than those on the NSX:

911

911

NSX

Front Rotors

12.53 inches

13.78 inches

11.73 inches

Rear Rotors

11.78 inches

13.78 inches

11.93 inches

The 911’s brakes have 19% more swept area (the area covered by the brake pads) than the NSX (535 vs. 450.3 square inches), so the 911 has more braking power available.

The 911 stops much shorter than the NSX:

911

NSX

70 to 0 MPH

150 feet

162 feet

Car and Driver

Tires and Wheels Comparison

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For better traction, the 911 has larger standard tires than the NSX (F:235/40R18 & R:265/40R18 vs. F:215/40R17 & R:255/40R17). The 911 S’ tires are larger than the largest tires available on the NSX (F:235/30R19 & R:295/40R19 vs. F:215/40R17 & R:255/40R17).

The 911 S’ 235/30R19 front tires provide better handling because they have a lower 30 series profile (height to width ratio) which provides a stiffer sidewall than the NSX’s 40 series tires.

For better ride, handling and brake cooling the 911 has standard 18 inch wheels. Only 17 inch wheels are available on the NSX. The 911 S offfers 19 inch wheels.

Suspension and Handling Comparison

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The 911 offers an optional driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads. The NSX’s suspension doesn’t offer adjustable shock absorbers.

The 911 S handles at .97 G’s, while the NSX-T pulls only .89 G’s of cornering force in a Car and Driver skidpad test.

For better maneuverability the 911’s turning circle is 2.1 feet tighter than the NSX’s (36 vs. 38.1 feet).

Passenger Space Comparison

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

The 911 has 15.1 cubic feet more passenger volume than the NSX (64 vs. 48.9).

Ergonomics Comparison

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The 911’s entire steering wheel hub sounds the horn, facilitating hitting the horn in an emergency. The NSX has two small spoke buttons. These buttons can be hard to reach in an emergency.

When four different drivers share the 911, the optional memory seats and mirrors make it convenient for all four. Each setting activates different, customized memories for the seat position and outside mirror positions. The NSX doesn’t offer a memory system.

The 911’s power windows raise and lower automatically with one touch, especially convenient at tollbooths or drive-up windows. The power windows on the NSX don’t raise automatically, and only the driver’s window lowers automatically.

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

The 911’s standard rain-sensitive wipers adjust their speed to the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The NSX’s standard intermittent wipers have to be constantly adjusted.

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 NSX doesn’t offer headlight washers.

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

The 911’s standard heated front seats keep the driver and front passenger extremely comfortable in the winter. The NSX doesn’t offer heated seats.

A built-in pollen filter with a charcoal activated canister removes pollen, exhaust fumes and other pollutants from the 911’s passenger compartment. This helps prevent lung and/or sinus irritation, which can trigger allergies or asthma. The NSX doesn’t offer a filtration system.

To help keep the driver’s hands on the wheel, the 911 offers optional steering wheel controls for the radio. The NSX doesn’t offer steering wheel audio controls.

To direct the driver from any location to a given street address in the USA, a GPS navigation system is available on the 911. The NSX doesn’t offer a Navigation system.

Economic Advantages Comparison

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The headlight lenses on the 911 are made of plastic to be lighter, more resistant to damage and less expensive to replace than the glass headlight lenses on the NSX.

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