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2021 Porsche 911 vs. 2021 Tesla Model S

When comparing the 2021 Porsche 911's and the 2021 Tesla Model S's specifications and ratings, the 2021 Porsche 911 has the advantage in the area of resale value. The 2021 Tesla Model S has the advantage in the areas of typical lower range of pricing for used cars, reliability, interior volume, overall quality score and base engine power. Based on this comparison of the 2021 Porsche 911's and the 2021 Tesla Model S's specifications and ratings, the 2021 Tesla Model S is a better car than the 2021 Porsche 911.

2021 Porsche 911 vs. 2021 Tesla Model S Pricing

A used 2021 Porsche 911 ranges from $113,952 to $249,991 while a used 2021 Tesla Model S is priced between $54,036 to $94,868.

2021 Porsche 911 vs. 2021 Tesla Model S Resale/Retained Value

Looking at the 5-year depreciation rate for both models, the 2021 Porsche 911 loses 15.2 percent of its value and the 2021 Tesla Model S loses 52.3 percent of its value. This means the 2021 Porsche 911 retains 37.1 percentage points more of its value and has the advantage of higher resale value versus the 2021 Tesla Model S.

2021 Porsche 911 vs. 2021 Tesla Model S Quality Rating

The iSeeCars Overall Quality rating for the Porsche 911 is 8.5 out of 10 while the Tesla Model S's quality rating is 8.8 out of 10. This results in the Porsche 911 being ranked 1 out of 40 Best Luxury Sports Cars and the Tesla Model S being ranked 1 out of 27 Best Electric Cars.

2021 Porsche 911 vs. 2021 Tesla Model S Reliability Rating

iSeeCars’ Reliability Rating for the Porsche 911 is 7.8 out of 10. For the Tesla Model S the reliability rating is 9.4 out of 10. This gives the Tesla Model S an advantage in reliability compared to the Porsche 911.

Engine Power and Fuel Efficiency Comparison

For engine performance, the 2021 Porsche 911’s base engine makes 379 horsepower, and the 2021 Tesla Model S base engine makes 518 horsepower. The 911 is rated to deliver an average of 20 miles per gallon, with a highway range of 406 miles. The Model S is rated to deliver an average of 124 miles per gallon of gasoline-equivalent (MPGe), with a highway range of 391 miles.This gives the 2021 Tesla Model S the advantage in fuel efficiency and the 2021 Porsche 911 the advantage in maximum range. The 911 uses premium unleaded, and the Model S uses electricity.

Passenger Space Comparison

The 2021 Tesla Model S, a electric large car, has the advantage of offering more interior volume, reflected in more cargo space.

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Model & Pricing
2021 Porsche 911
2021 Tesla Model S

2021 Porsche 911 Coupe
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2021 Tesla Model S
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Pricing

New Asking Price:

-

Used Asking Price:

$113,952 - $249,991

5-Year Depreciation (lower is better):

15.2%

Pricing

New Asking Price:

-

Used Asking Price:

$54,036 - $94,868

5-Year Depreciation (lower is better):

52.3%

Porsche 911 Scores & Rankings

Overall Score:

8.5 / 10

Reliability:

7.8 / 10

Retained Value:

9.1 / 10

Safety:

Not available

Tesla Model S Scores & Rankings

Overall Score:

8.8 / 10

Reliability:

9.4 / 10

Retained Value:

8.3 / 10

Safety:

Not available

Porsche 911 Rankings

Best Luxury Sports Cars

1 / 40

Luxury Sports Cars with Best Resale Value

1 / 40

Luxury Sports Cars with the Most Cargo Space

1 / 40

Luxury Coupes with Best Resale Value

1 / 33

Luxury Coupes with the Most Cargo Space

1 / 33

Best German Luxury Sports Cars

1 / 23

Best Luxury 2-seater Cars

1 / 21

Luxury 2-seater Cars with Best Resale Value

1 / 21

Luxury 2-seater Cars with the Most Cargo Space

1 / 21

Best German Luxury 2-seater Cars

1 / 11

Best Luxury Coupes

2 / 33

Best German Luxury Coupes

2 / 19

Luxury Coupes with the Most Horsepower

4 / 33

Luxury Sports Cars with the Most Horsepower

5 / 40

Luxury 2-seater Cars with the Most Horsepower

5 / 21

Most Comfortable Luxury 2-seater Cars

9 / 21

Most Reliable Luxury Sports Cars

10 / 40

Most Affordable Luxury 2-seater Cars

11 / 15

Most Comfortable Luxury Coupes

15 / 33

Most Comfortable Luxury Sports Cars

17 / 40

Most Affordable Luxury Sports Cars

23 / 32

Most Affordable Luxury Coupes

23 / 29

Tesla Model S Rankings

Best Electric Cars

1 / 27

Most Reliable Electric Cars

1 / 27

Best Luxury Electric Cars

1 / 15

Most Reliable Luxury Electric Cars

1 / 15

Best Electric Luxury Hatchbacks

1 / 6

Electric Luxury Hatchbacks with Best Resale Value

1 / 6

Electric Luxury Hatchbacks with the Most Cargo Space

1 / 6

Electric Luxury Hatchbacks with the Most Horsepower

1 / 6

Longest Range Electric Luxury Hatchbacks

1 / 6

Best American Electric Cars

1 / 5

Best Electric Luxury Large Cars

1 / 4

Electric Luxury Large Cars with Best Resale Value

1 / 4

Electric Luxury Large Cars with the Most Cargo Space

1 / 4

Electric Luxury Large Cars with the Most Horsepower

1 / 4

Longest Range Electric Luxury Large Cars

1 / 4

Most Affordable Electric Luxury Large Cars

1 / 4

Best American Luxury Electric Cars

1 / 3

Best American Electric Luxury Hatchbacks

1 / 1

Best American Electric Luxury Large Cars

1 / 1

Electric Cars with the Most Cargo Space

2 / 27

Electric Cars with the Most Horsepower

2 / 27

Longest Range Luxury Electric Cars

2 / 15

Luxury Electric Cars with Best Resale Value

2 / 15

Luxury Electric Cars with the Most Cargo Space

2 / 15

Luxury Electric Cars with the Most Horsepower

2 / 15

Most Comfortable Electric Luxury Large Cars

2 / 4

Most Comfortable Electric Luxury Hatchbacks

3 / 6

Most Affordable Electric Luxury Hatchbacks

3 / 5

Best Electric Luxury Large Cars for Tall People

3 / 4

Electric Cars with Best Resale Value

4 / 27

Best Electric Luxury Hatchbacks for Tall People

4 / 6

Most Comfortable Luxury Electric Cars

6 / 15

Most Affordable Luxury Electric Cars

6 / 14

Most Comfortable Electric Cars

8 / 27

Best Luxury Electric Cars for Tall People

8 / 15

Most Affordable Electric Cars

10 / 18

Best Electric Cars for Tall People

11 / 27

Available Body Styles

Convertible, Coupe

Available Body Styles

Sedan

Available Drivetrain Options

Gasoline

Available Drivetrain Options

Electric

2021 Porsche 911 Trim Levels

Not yet available

2021 Tesla Model S Trim Levels

Long Range, Long Range Plus, Performance, Plaid

Warranty Information

Warranty, Bumper-to-Bumper:

4 years / 50000 miles

Warranty, Powertrain:

4 years / 50000 miles

Warranty, Roadside Assistance:

4 years / 50000 miles

Warranty Information

Warranty, Bumper-to-Bumper:

4 years / 50000 miles

Warranty, Powertrain:

8 years / 150000 miles

Warranty, Roadside Assistance:

4 years / 50000 miles

Safety Ratings

NHTSA Safety Rating (last 5 year average):

Not yet available

IIHS Safety Rating:

Not yet available

Safety Ratings

NHTSA Safety Rating (last 5 year average):

Not yet available

IIHS Safety Rating:

Not yet available

Base Drivetrain Specifications

Horsepower:

379 hp @ 6500 rpm

Torque:

331 foot-lbs @ 1950 rpm

Power-to-Weight Ratio (higher is better):

0.113 hp per pound

Base Drivetrain Specifications

Horsepower:

518 hp

Torque:

487 foot-lbs

Power-to-Weight Ratio (higher is better):

0.107 hp per pound

Engine Specifications

Engine Size:

3 liters

Engine Configuration:

Flat/Horizontally Opposed

Number of Cylinders:

6

Transmission:

Automatic

Standard/Optional Drivetrain Type:

RWD / AWD

EPA Fuel Economy
(City/Highway/Combined MPG):


18 / 24 / 20

MPGe:

Not applicable

Range (city/hwy):

304 / 406 miles

Recommended Fuel Type:

Premium Unleaded

Battery Size/Capacity :

Not applicable

Maximum Charging Rate:

Not applicable

Engine Specifications

Engine Size:

Not Applicable

Engine Configuration:

Not Applicable

Number of Cylinders:

Not Applicable

Transmission:

Automatic

Standard/Optional Drivetrain Type:

AWD

EPA Fuel Economy
(City/Highway/Combined MPG):


Not applicable

MPGe:

124 / 115 / 120

Range (city/hwy):

391 miles

Recommended Fuel Type:

Electricity

Battery Size/Capacity:

100 kWh

Maximum Charging Rate:

12 hours (240V)

Standard/Optional Features

Apple Car Play:

Standard

Heated Seats

Standard

Keyless Entry:

Standard

Keyless Ignition:

Standard

Leather Upholstery:

Standard

Navigation System:

Standard

Adaptive Cruise Control:

Available

Cooled/Ventilated Seats:

Available

Heated Steering Wheel:

Available

Sunroof/Moonroof:

Available

Android Auto:

N/A

Wireless Smartphone Charging:

N/A

Standard/Optional Features

Apple Car Play:

N/A

Heated Seats

Standard

Keyless Entry:

Standard

Keyless Ignition:

Standard

Leather Upholstery:

Standard

Navigation System:

Standard

Adaptive Cruise Control:

Standard

Cooled/Ventilated Seats:

N/A

Heated Steering Wheel:

Standard

Sunroof/Moonroof:

Standard

Android Auto:

N/A

Wireless Smartphone Charging:

N/A

Safety Equipment

Forward Collision Warning:

Standard

360-Degree Camera:

N/A

Blind Spot Monitoring:

N/A

Driver Attention Monitoring:

N/A

Lane Departure Warning:

N/A

Lane Keeping Assist:

N/A

Pedestrian Detection:

N/A

Rear Cross-Traffic Alert:

N/A

Rear Seat Reminder:

N/A

Safety Equipment

Forward Collision Warning:

Standard

360-Degree Camera:

N/A

Blind Spot Monitoring:

Standard

Driver Attention Monitoring:

N/A

Lane Departure Warning:

Standard

Lane Keeping Assist:

N/A

Pedestrian Detection:

Standard

Rear Cross-Traffic Alert:

N/A

Rear Seat Reminder:

N/A

Interior Dimensions

Front Head Room:

Not yet available

Front Leg Room:

Not yet available

Front Shoulder Room:

Not yet available

Rear Head Room:

Not yet available

Rear Leg Room:

Not yet available

Rear Shoulder Room:

Not yet available

Cargo Space:

4.6 cubic feet

Overall Interior Volume:

70.0 cubic feet

Interior Dimensions

Front Head Room:

38.8 inches

Front Leg Room:

42.7 inches

Front Shoulder Room:

57.7 inches

Rear Head Room:

35.3 inches

Rear Leg Room:

35.4 inches

Rear Shoulder Room:

55 inches

Cargo Space:

26.3 cubic feet

Overall Interior Volume:

120.3 cubic feet

Exterior Dimensions

Curb Weight:

3354 lbs

Width:

79.7 inches

Height:

51.1 inches

Length:

177.9 inches

Wheelbase:

96.5 inches

Ground Clearance:

4.7 inches

Exterior Dimensions

Curb Weight:

4852 lbs

Width:

86.2 inches

Height:

56.9 inches

Length:

196 inches

Wheelbase:

116.5 inches

Ground Clearance:

4.6 inches

Standard Wheel/Tire Information

Wheel Size:

19.0 x 8.5 inches

Wheel Type:

aluminum alloy

Tire Size:

235/40ZR19

Standard Wheel/Tire Information

Wheel Size:

19.0 x 8.0 inches

Wheel Type:

aluminum alloy

Tire Size:

245/45R19

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