BMW Z4 vs. Porsche Cayman
iSeeCars' unbiased and data-driven comparison of the BMW Z4 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 BMW Z4 and the Porsche Cayman.
When comparing the BMW Z4's and the Porsche Cayman's specifications and ratings, the BMW Z4 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency. The Porsche Cayman has the advantage in the areas of interior volume and base engine power. Based on this comparison of the BMW Z4's and the Porsche Cayman's specifications and ratings, the two cars are fairly comparable.
Pricing: A used 2016 BMW Z4 ranges from $21,338 to $35,851 while a used 2016 Porsche Cayman is priced between $38,649 to $122,627.
Engine Power and Fuel Efficiency Comparison: For engine performance, the BMW Z4’s base engine makes 240 horsepower, and the Porsche Cayman base engine makes 275 horsepower. The Z4 is rated to deliver an average of 26 miles per gallon, with a highway range of 493 miles. The Cayman is rated to deliver an average of 24 miles per gallon, with a highway range of 507 miles.This gives the BMW Z4 the advantage in fuel efficiency and the Porsche Cayman the advantage in maximum range. Both models use gasoline.
Passenger Space Comparison: The Porsche Cayman has the advantage of offering more interior volume, reflected in more cargo space. The BMW Z4, a sports car, has the advantage in the areas of front head room, and front shoulder room.
New Car Pricing
Asking Price:
-
Starting MSRP:
$49,700
Category Avg Starting MSRP:
(Luxury Sports Cars)
$74,424
Category Starting MSRP Range:
(Luxury Sports Cars)
$42,900 - $145,740
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:
$28,952
Price Range:
$21,338 - $35,851
Category Avg Price:
(Luxury Sports Cars)
$51,407
Category Avg Price Range:
(Luxury Sports Cars)
$24,778 - $157,066
# Used Cars for Sale Nationally:
20
Avg Mileage of Used Cars for Sale:
41,435
# Good or Great Deals:
8
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:
31
Avg Mileage of Used Cars for Sale:
25,790
# Good or Great Deals:
8
BMW Z4 Scores & Rankings
Overall Score:
7.7 / 10
Reliability:
8.0 / 10
Retained Value:
7.5 / 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 BMW Z4
Remaining Life Expectancy (years):
3.1
Typical Category Remaining Life Expectancy:
(Luxury Sports Cars)
4.9
Category Remaining Life Expectancy Range:
(Luxury Sports Cars)
0.7 - 9.2
Chance of Reaching 200k Miles for a New Car:
0%
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:
2.5
Typical Category Recalls:
(Luxury Sports Cars)
1.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 9.4
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
BMW Z4 Rankings
Ranking
1 out of / 19Ranking
2 out of / 32Ranking
2 out of / 5Ranking
2 out of / 3Ranking
3 out of / 27Ranking
3 out of / 7Ranking
4 out of / 27Ranking
4 out of / 27Ranking
4 out of / 6Ranking
6 out of / 41Ranking
6 out of / 27Ranking
7 out of / 41Ranking
7 out of / 41Ranking
15 out of / 41Ranking
20 out of / 27Ranking
20 out of / 27Ranking
34 out of / 41Ranking
35 out of / 41Porsche Cayman Rankings
Available Body Styles
Convertible
Available Body Styles
Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
BMW Z4 Trim Levels
sDrive28i, sDrive35i, sDrive35is
Porsche Cayman Trim Levels
Base, GT4, GTS, S
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
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:
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
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:
240 hp @ 5000 rpm
Torque:
260 foot-lbs @ 1250 rpm
Power-to-Weight Ratio (higher is better):
0.073 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:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
22 / 34 / 26
Range (city/hwy):
319 / 493 miles
Recommended Fuel Type:
Gasoline
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
Range (city/hwy):
338 / 507 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Heated Seats
Available
Heated Steering Wheel:
Available
Paddle Shifters:
Available
Parking Sensors:
Available
Voice Recognition:
Available
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
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
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Keyless Ignition:
N/A
Leather Upholstery:
Standard
Navigation System:
Available
Power outlet:
Standard
Roadside assistance:
N/A
Satellite radio:
Standard
Heated Seats
Available
Heated Steering Wheel:
Available
Paddle Shifters:
Available
Parking Sensors:
Available
Voice Recognition:
Available
Adaptive Cruise Control:
Available
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
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 Features
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
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
Interior Dimensions
Front Head Room:
39.1 inches
Front Leg Room:
42.2 inches
Front Shoulder Room:
53.3 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
8 cubic feet
Overall Interior Volume:
47.6 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:
3307 lbs
Width:
76.8 inches
Height:
50.8 inches
Length:
167 inches
Wheelbase:
98.3 inches
Ground Clearance:
Not yet available
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:
17.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
225/45R17
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
235/45ZR18
Exterior Colors
Black
Black Sapphire Metallic / Jet Black
Blue
Deep Sea Blue Metallic / Estoril Blue Metallic
Brown
Sparkling Brown Metallic
Gray
Mineral Grey Metallic
Orange
Valencia Orange
Red
Melbourne Red Metallic
Silver
Glacier Silver Metallic
White
Alpine White / Mineral White Metallic
Gold
Not available
Yellow
Not available
Exterior Colors
Black
Black / Jet Black Metallic
Blue
Dark Blue Metallic / Sapphire Blue Metallic
Brown
Mahogany Metallic
Gray
Agate Grey Metallic
Orange
Not available
Red
Carmine Red Metallic / Guards Red
Silver
GT Silver Metallic / Rhodium Silver Metallic
White
Carrara White Metallic / White
Gold
Lime Gold Metallic
Yellow
Racing Yellow
Interior Colors
Beige
Canberra Beige / Walnut
Black
Black / Black/Orange
Gray
Ivory White/Black
Red
Coral Red
Blue
Not available
Brown
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
Red
Garnet Red
Blue
Yachting Blue
Brown
Espresso
