Certified Benz & Beemer Compares 2003 Chevrolet CORVETTE VS 2003 Porsche Boxster Near Scottsdale, AZ

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2003 Chevrolet CORVETTE

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VS

2003 Porsche Boxster

Safety Comparison

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The Chevrolet Corvette has Daytime Running Lights to help keep it more visible under all conditions. Daytime Running Lights decrease the chances of collisions. Canadian government studies show that driving with lights during the day reduces accidents by 11% by making vehicles more conspicuous. The Boxster doesn’t offer Daytime Running Lights.

Both the Corvette and the Boxster have standard driver and passenger frontal airbags and four wheel antilock brakes.

The Chevrolet Corvette has a better injury history. The Corvette was involved in injury causing accidents at a rate 14% lower per vehicle registered than the Boxster, according to the Highway Loss Data Institute.

The Corvette’s bumpers sustained $1536 less damage than the Boxster in a Consumer Reports 5 MPH bumper test.

Warranty Comparison

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There are almost 22 times as many Chevrolet dealers as there are Porsche dealers, which makes it much easier to get service under the Corvette’s warranty.

Reliability Comparison

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The Corvette has a standard “limp home system” to keep drivers from being stranded if most or all of the engine’s coolant is lost. The engine will run on only half of its cylinders at a time, reduce its power and light a warning lamp on the dashboard so the driver can get to a service station for repairs. The Boxster doesn’t offer a lost coolant limp home mode, so a coolant leak could strand you or seriously damage the car’s engine.

J.D. Power and Associates rated the Corvette first among premium sports cars in initial quality. The Boxster isn’t in the top three.

Engine Comparison

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The Corvette has more powerful engines than the Boxster:

Horsepower

Torque

Corvette automatic 5.7 V8

350 HP

360 lbs.-ft.

Corvette 6 speed 5.7 V8

350 HP

375 lbs.-ft.

Corvette Z06 5.7 V8

405 HP

400 lbs.-ft.

Boxster 2.7 DOHC 6 cyl.

228 HP

192 lbs.-ft.

Boxster S 3.2 DOHC 6 cyl.

258 HP

229 lbs.-ft.

As tested in Motor Trend the Corvette is faster than the Porsche Boxster (manual transmissions tested):

Corvette LS1

Corvette Z06

Boxster 2.7

Boxster S

Zero to 60 MPH

4.8 sec

4.6 sec

6.6 sec

5.8 sec

Quarter Mile

13.2 sec

12.9 sec

14.7 sec

14.3 sec

Speed in 1/4 Mile

109.6 MPH

114.4 MPH

95.1 MPH

98.8 MPH

In a Road & Track race course test, the Chevrolet Corvette Z06 was clocked 9.07 seconds faster than the Porsche Boxster S (68.39 sec. vs. 77.46 sec.).

Fuel Economy and Range Comparison

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The Corvette has 1.1 gallons more fuel capacity than the Boxster (18 vs. 16.9 gallons), for longer range between fill ups.

Brakes and Stopping Comparison

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For better stopping power the Corvette’s brake rotors are larger than those on the Boxster:

Corvette

Boxster

Boxster S

Front Rotors

12.6 inches

11.7 inches

12.53 inches

Rear Rotors

11.8 inches

11.5 inches

11.78 inches

The Corvette stops much shorter than the Boxster:

Corvette

Boxster

80 to 0 MPH

188 feet

208 feet

AutoWeek

70 to 0 MPH

152 feet

179 feet

Car and Driver

60 to 0 MPH

104 feet

119 feet

Motor Trend

30 to 0 MPH

26 feet

29 feet

AutoWeek

Tires and Wheels Comparison

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For better traction, the Corvette has larger standard tires than the Boxster (F:245/45R17 & R:275/40R18 vs. F:205/55R16 & R:225/50R16). The Corvette Z06’s tires are larger than the largest tires available on the Boxster (F:265/40R17 & R:295/35R18 vs. F:225/40R18 & R:265/35R18).

The Corvette’s standard 245/45R17 front and 275/40R18 rear tires provide better handling because they have a lower 45 series front and 40 series rear profile (height to width ratio) which provides a stiffer sidewall than the Boxster’s standard 55 series front and 50 series rear tires.

For better ride, handling and brake cooling the Corvette has standard 17 inch front and 18 inch rear wheels. Smaller 16 inch wheels are standard on the Boxster.

The Corvette (except Z06) has a standard tire pressure monitoring system, which will alert the driver to a drop in tire pressure before damage to the tire or an accident might occur. The Boxster doesn’t offer a low tire pressure warning system.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the Corvette can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Boxster doesn’t offer run-flat tires.

Suspension and Handling Comparison

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The Corvette 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 Boxster’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the Corvette’s wheelbase is 9.4 inches longer than on the Boxster (104.5 vs. 95.1 inches).

For better handling and stability, the average track (width between the wheels) on the Corvette is 4.6 inches wider in the front and 2.6 inches wider in the rear than the average track on the Boxster.

The Corvette’s front to rear weight distribution is more even (51% to 49%) than the Boxster’s (46% to 54%). This gives the Corvette more stable handling and braking.

The Corvette Convertible handles at .92 G’s, while the Boxster pulls only .81 G’s of cornering force in a Car and Driver skidpad test.

Cargo Capacity Comparison

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The Corvette Convertible has a much larger trunk with its top up than the Boxster (13.9 vs. 9.1 cubic feet).

With its coupe body style, remote release lock-out switch and remote trunk release lockout, the Corvette offers cargo security. The Boxster’s non-lockable remote release defeats cargo security.

Ergonomics Comparison

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The Corvette’s standard tilting steering column adjusts to different sized drivers and makes entering and exiting easier. Porsche doesn’t offer tilt steering on the Boxster.

The Corvette’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 Boxster does not have an oil pressure gauge.

The Corvette offers an optional heads-up display which projects speed and other key instrumentation readouts onto the windshield, allowing drivers to view information without diverting their eyes from the road. The Boxster doesn’t offer a heads-up display.

The Corvette’s standard power window controls are mounted on the armrest for easy access. The Boxster’s available power window controls are spread out on the center console where they can’t be seen without the driver completely removing his eyes from the road.

The Corvette offers an optional automatic headlight on/off feature. When the ignition is on, the headlights automatically turn on at dusk and off after dawn. When the ignition turns off, the headlights turn off after a delay timed to allow you to securely get to your front door. The Boxster doesn’t offer automatic headlights.

The Corvette’s standard side window demisters help clear frost or condensation from the side windows in the winter. The Boxster doesn’t even offer side window demisters, so the driver may have to wipe the windows from the outside to gain side vision.

The Corvette’s 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. The Boxster doesn’t offer dual zone air conditioning.

Economic Advantages Comparison

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The Corvette will cost the buyer less in the long run because of its superior resale value. The Complete Car Cost Guide estimates that the Corvette will retain 65.68% to 67.08% of its original price after five years, while the Boxster only retains 63.6%.

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