Tesla Model S vs. Porsche Cayman
iSeeCars' unbiased and data-driven comparison of the Tesla Model S and Porsche Cayman contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Tesla Model S and the Porsche Cayman.
When comparing the Tesla Model S's and the Porsche Cayman's specifications and ratings, the Tesla Model S has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, interior volume and base engine power. Based on this comparison of the Tesla Model S's and the Porsche Cayman's specifications and ratings, the Tesla Model S is a better car than the Porsche Cayman.
Pricing: A used 2016 Tesla Model S ranges from $19,891 to $37,576 while a used 2016 Porsche Cayman is priced between $38,649 to $122,627.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Tesla Model S’s base engine makes 315 horsepower, and the Porsche Cayman base engine makes 275 horsepower. The Model S is rated to deliver an average of 98 miles per gallon of gasoline-equivalent (MPGe), with a highway range of 210 miles. The Cayman is rated to deliver an average of 24 miles per gallon, with a highway range of 507 miles.This gives the Tesla Model S the advantage in fuel efficiency and the Porsche Cayman the advantage in maximum range. The Model S uses electricity, and the Cayman uses gasoline.
Passenger Space Comparison: The Tesla Model S has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, and cargo space.
New Car Pricing
Asking Price:
-
Starting MSRP:
$66,000
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
$52,600
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
Used Car Pricing
Avg Used Car Price:
$27,360
Price Range:
$19,891 - $37,576
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
151
Avg Mileage of Used Cars for Sale:
77,947
# Good or Great Deals:
69
Used Car Pricing
Avg Used Car Price:
$76,963
Price Range:
$38,649 - $122,627
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
32
Avg Mileage of Used Cars for Sale:
27,295
# Good or Great Deals:
9
Tesla Model S Scores & Rankings
Overall Score:
8.1 / 10
Reliability:
9.4 / 10
Retained Value:
6.8 / 10
Safety:
Not available
Porsche Cayman Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
iSeeCars Reliability Insights for Tesla Model S
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for Porsche Cayman
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
146.4
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Tesla Model S Rankings
Ranking
1 out of / 26Ranking
1 out of / 15Ranking
1 out of / 3Ranking
1 out of / 3Ranking
2 out of / 26Ranking
2 out of / 26Ranking
2 out of / 26Ranking
2 out of / 15Ranking
2 out of / 15Ranking
2 out of / 15Ranking
2 out of / 15Ranking
4 out of / 15Ranking
6 out of / 15Ranking
6 out of / 14Ranking
7 out of / 15Ranking
8 out of / 15Ranking
9 out of / 26Ranking
10 out of / 26Ranking
11 out of / 19Ranking
12 out of / 26Ranking
15 out of / 26Porsche Cayman Rankings
Available Body Styles
Sedan
Available Body Styles
Coupe
Available Drivetrain Options
Electric
Available Drivetrain Options
Gasoline
Tesla Model S Trim Levels
60, 60D, 70, 70D, 75, 75D, 85, 85D, 90D, P100D, P85D, P90D
Porsche Cayman Trim Levels
Base, GT4, GTS, S
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
8 years
Warranty, Roadside Assistance:
4 years / 50000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
5 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
315 hp
Torque:
325 foot-lbs
Power-to-Weight Ratio (higher is better):
0.068 hp per pound
Base Drivetrain Specs
Horsepower:
275 hp @ 7400 rpm
Torque:
213 foot-lbs @ 4500 rpm
Power-to-Weight Ratio (higher is better):
0.095 hp per pound
Engine Specifications
Engine Size:
Not Applicable
Engine Configuration:
Not Applicable
Number of Cylinders:
Not Applicable
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
Not applicable
MPGe:
98 / 101 / 99
Range (city/hwy):
210 miles
Recommended Fuel Type:
Electricity
Battery Size/Capacity :
60 kWh
Maximum Charging Rate:
10 hours (240V)
Engine Specifications
Engine Size:
2.7 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
6
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
20 / 30 / 24
MPGe:
Not applicable
Range (city/hwy):
338 / 507 miles
Recommended Fuel Type:
Gasoline
Battery Size/Capacity:
Not applicable
Maximum Charging Rate:
Not applicable
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Adaptive Cruise Control:
Available
Air Suspension:
Available
Automatic Parking:
Available
Heated Steering Wheel:
Available
Quad Seats:
Available
Satellite radio:
Available
Sunroof/Moonroof:
Available
Android Auto:
N/A
Apple CarPlay:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
N/A
Bluetooth:
Standard
Heated Seats
Available
Keyless Entry:
Standard
Keyless Ignition:
N/A
Leather Upholstery:
Standard
Navigation System:
Available
Parking Sensors:
Available
Power Lift Gate:
N/A
Power outlet:
Standard
Voice Recognition:
Available
Wifi:
N/A
Adaptive Cruise Control:
Available
Air Suspension:
N/A
Automatic Parking:
N/A
Heated Steering Wheel:
Available
Quad Seats:
N/A
Satellite radio:
Standard
Sunroof/Moonroof:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Paddle Shifters:
Available
Panoramic Sunroof/Moonroof
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
N/A
Driver Attention Monitoring:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Pedestrian Detection:
N/A
360-Degree Camera:
N/A
Driver Attention Monitoring:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
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:
31.6 cubic feet
Overall Interior Volume:
95.1 cubic feet
Interior Dimensions
Front Head Room:
37.8 inches
Front Leg Room:
Not yet available
Front Shoulder Room:
51.5 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
15 cubic feet
Overall Interior Volume:
48.0 cubic feet
Exterior Dimensions
Curb Weight:
4656 lbs
Width:
86.2 inches
Height:
56.5 inches
Length:
196 inches
Wheelbase:
116.5 inches
Ground Clearance:
5.3 inches
Exterior Dimensions
Curb Weight:
2888 lbs
Width:
70.9 inches
Height:
50.9 inches
Length:
172.2 inches
Wheelbase:
97.4 inches
Ground Clearance:
4.3 inches
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
245/45R19
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
235/45ZR18
Exterior Colors
Beige
Titanium Metallic
Black
Black Solid / Obsidian Black Metallic
Blue
Deep Blue Metallic
Red
Red Multi-Coat
Silver
Midnight Silver Metallic / Silver Metallic
White
Pearl White Multi-Coat / White Solid
Brown
Not available
Gold
Not available
Gray
Not available
Yellow
Not available
Exterior Colors
Beige
Not available
Black
Black / Jet Black Metallic
Blue
Dark Blue Metallic / Sapphire Blue Metallic
Red
Carmine Red Metallic / Guards Red
Silver
GT Silver Metallic / Rhodium Silver Metallic
White
Carrara White Metallic / White
Brown
Mahogany Metallic
Gold
Lime Gold Metallic
Gray
Agate Grey Metallic
Yellow
Racing Yellow
Interior Colors
Beige
Tan
Black
Black
Gray
Grey
Blue
Not available
Brown
Not available
Red
Not available
Interior Colors
Beige
Luxor Beige
Black
Black / Black/Luxor Beige
Gray
Agate Grey / Agate Grey/Amber Orange / Agate Grey/Lime Gold / Agate Grey/Orange Amber / Agate Grey/Pebble Grey / Platinum Grey
Blue
Yachting Blue
Brown
Espresso
Red
Garnet Red
