Compare the2025 Porsche 911VS 2025 Chevrolet Corvette

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Brakes and Stopping
Suspension and Handling
Chassis
Passenger Space
Servicing Ease
Ergonomics
Recommendations

Safety

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Over 200 people are killed each year when backed over by motor vehicles. The 911 (except Manual/GT3) offers an optional Maneuvering Assist that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The Corvette doesn’t offer backup collision prevention brakes.

A passive infrared night vision system optional on the 911 helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard. The Corvette doesn’t offer a night vision system.

The 911 offers an optional Surround View to allow the driver to see objects all around the vehicle on a screen. The Corvette only offers a rear monitor and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the front or sides.

Both the 911 and Corvette offer Rear Cross Traffic Alert, but the 911 with Rear Cross Traffic Alert also has automatic rear cross-traffic braking (automatically applies the brakes) to better prevent a collision when backing near traffic. The Corvette’s Rear Cross Traffic Alert doesn’t automatically brake.

The 911’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Corvette doesn’t offer a driver alert monitor.

Both the 911 and the Corvette have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, lane departure warning systems, rearview cameras, available crash mitigating brakes and blind spot warning systems.

Warranty

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 or 14,000 miles sooner.

The 911’s corrosion warranty is 6 years and unlimited miles longer than the Corvette’s (12/unlimited vs. 6/100,000).

Reliability

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 some of the engines in the Corvette.

J.D. Power and Associates rated the 911 second among premium sporty cars in their 2024 Initial Quality Study. The Corvette was rated third in its category.

From surveys of all its subscribers, Consumer Reports’ January 2024 Auto Issue reports that Porsche vehicles are more reliable than Chevrolet vehicles. Consumer Reports ranks Porsche 12 places higher in reliability than Chevrolet.

Engine

As tested in Motor Trend the 911 GT3 4.0 DOHC 6-cylinder is faster than the Corvette Z51 6.2 V8 (automatics tested):

	911	Corvette
Zero to 60 MPH	2.7 sec	3.3 sec
Quarter Mile	10.8 sec	11.6 sec
Speed in 1/4 Mile	127.9 MPH	120.3 MPH

In a Motor Trend race course test, the Porsche 911 Turbo S Coupe was clocked 4.86 seconds faster than the Chevrolet Corvette Coupe (92.97 sec. vs. 97.83 sec.).

Motor Trend magazine performs a classic 0 to 100 MPH and back to 0 MPH performance test. The Porsche 911 Turbo S Coupe completed this feat in only 9.3 seconds. It took the Chevrolet Corvette Z06 Convertible 9.7 seconds.

In an extreme test of performance conducted by Car & Driver magazine, the Porsche 911 Turbo S Coupe demonstrated the extrodinary ability to accelerate to 150 MPH and then stop completely in only 19.3 seconds. It took the Chevrolet Corvette Z06 Coupe 22.5 seconds.

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

On the EPA test cycle the 911 Coupe gets better mileage than the Corvette:

			MPG
911 Coupe
RWD	Manual	4.0 DOHC flat-6	13 city/19 hwy
	Auto	GT3 4.0 DOHC flat-6	14 city/18 hwy
		GT3 RS/ST 4.0 DOHC flat-6	14 city/18 hwy
		3.0 turbo flat-6	18 city/25 hwy
	Auto	3.0 turbo flat-6	18 city/24 hwy
Corvette
	Auto	5.5 DOHC V8	12 city/20 hwy
		Carbon Aero 5.5 DOHC V8	12 city/19 hwy
		6.2 OHV V8	16 city/25 hwy
		Z51 6.2 OHV V8	16 city/25 hwy
AWD	Auto	E-Ray 6.2 V8 Hybrid	16 city/24 hwy

On the EPA test cycle the 911 Cabriolet gets better mileage than the Corvette:

			MPG
911 Cabriolet
RWD	Auto	GT3 RS/ST 4.0 DOHC flat-6	14 city/18 hwy
		3.0 turbo flat-6	18 city/25 hwy
AWD	Auto	3.0 turbo flat-6	18 city/24 hwy
Corvette
RWD	Auto	5.5 DOHC V8	12 city/20 hwy
		Carbon Aero 5.5 DOHC V8	12 city/19 hwy
		6.2 OHV V8	16 city/25 hwy
		Z51 6.2 OHV V8	16 city/25 hwy
AWD	Auto	E-Ray 6.2 V8 Hybrid	16 city/24 hwy

In heavy traffic or at stoplights the 911’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. If the conditions warrant or the driver wishes, the system can be manually disabled at any time for the duration of a trip. The Corvette doesn’t offer an automatic engine start/stop system.

The 911’s optional fuel tank has 3.6 gallons more fuel capacity than the Corvette (22.1 vs. 18.5 gallons).

Brakes and Stopping

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

	911	911 CCB	Corvette	Corvette CCB
Front Rotors	13.8 inches	16.5 inches	12.6 inches	15.7 inches
Rear Rotors	13.8 inches	16.1 inches	13.3 inches	15.4 inches

The 911 stops much shorter than the Corvette:

	911	Corvette
150 to 0 MPH	514 feet	604 feet	Car and Driver
100 to 0 MPH	251 feet	301 feet	Car and Driver
70 to 0 MPH	133 feet	152 feet	Car and Driver
60 to 0 MPH	92 feet	113 feet	Motor Trend

Suspension and Handling

The 911 (except Base/GT3) 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 Corvette doesn’t offer an active sway bar system.

The 911 GT3 RS handles at 1.18 G’s, while the Corvette Coupe pulls only 1.01 G’s of cornering force in a Motor Trend skidpad test.

The 911 GT3 RS executes Motor Trend’s “Figure Eight” maneuver 1.5 seconds quicker than the Corvette Coupe (21.9 seconds @ .97 average G’s vs. 23.4 seconds @ .86 average G’s).

For better maneuverability, the 911 GT3’s turning circle is 2.3 feet tighter than the Corvette with Magnetic Ride Control’s (34.1 feet vs. 36.4 feet). The 911’s turning circle is 1.4 feet tighter than the Corvette’s (36.7 feet vs. 38.1 feet).

Chassis

The Porsche 911 may be more efficient, handle and accelerate better because it weighs up to about 400 pounds less than the Chevrolet Corvette.

The 911 Turbo/Turbo S is 3.8 inches shorter than the Corvette, making the 911 easier to handle, maneuver and park in tight spaces.

To almost totally eliminate engine vibration in the passenger area, the 911 Manual (except PDK) has an electronically controlled liquid-filled front engine mount. A computer-controlled electric current in the liquid changes its viscosity, allowing the mount to dampen the engine completely at all RPMs. The Corvette uses conventional solid rubber engine mounts.

The front grille of the 911 uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Corvette doesn’t offer active grille shutters.

As tested by Car and Driver, the interior of the 911 Turbo Coupe is quieter than the Corvette Z06 Z07 Coupe:

	911	Corvette
At idle	54 dB	57 dB
Full-Throttle	92 dB	99 dB
70 MPH Cruising	75 dB	77 dB

Passenger Space

The 911 offers optional seating for 4 passengers; the Corvette can only carry 2.

The 911 has 22 cubic feet more passenger volume than the Corvette (73 vs. 51).

Servicing Ease

J.D. Power and Associates surveys of service recipients show that Porsche service is better than Chevrolet. J.D. Power ranks Porsche second in service department satisfaction. With a 33% lower rating, Chevrolet is ranked 14th.

Ergonomics

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 Corvette’s rear power window switches have to be held the entire time to open or close them fully.

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.

To improve rear visibility by keeping the rear window clear, the 911 (except Cabriolet/GT3) offers an optional rear wiper. The Corvette doesn’t offer a rear wiper.

To help drivers avoid possible obstacles, the 911 offers optional cornering lights to illuminate around corners when the turn signals are activated. The Corvette doesn’t offer cornering lights. The 911 also has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

The Porsche 911 has power folding mirrors that offer unparalleled convenience while maneuvering in tight places or parked. With the mirrors folded it’s easier to walk past and help prevent parking damage. The mirrors can be quickly unfolded when the driver is ready to leave. Power folding mirrors costs extra on the Corvette.

The 911 has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the car heater warms up. A heated steering wheel costs extra on the Corvette.

To keep a safe, consistent following distance, the 911 (except Manual) 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 Corvette doesn’t offer an adaptive cruise control.

The Porsche 911 has a standard Homelink wireless remote control system for garage door operation and device management, conveniently located on the rear view mirror. Homelink® eliminates the need for separate garage door openers and associated risks of losing, breaking, or having dead batteries. Chevrolet charges extra for Homelink® on the Corvette.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Porsche 911 has a standard wireless phone charging system (Qi) in the center console. Wireless charging costs extra on the Corvette.

The 911 (except Manual/GT3)’s optional Active Parking Support can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. Optional Remote ParkAssist will park and retrieve your car remotely: press a button and watch it park itself. This is ideal for tight locations. The Corvette doesn’t offer an automated parking system.

Recommendations

Car and Driver performed a comparison test in its December 2023 issue and the Porsche 911 Turbo S Coupe won out over the Chevrolet Corvette Z06 Coupe.

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

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