Porsche Cayman vs. INFINITI G37
iSeeCars' unbiased and data-driven comparison of the Porsche Cayman and INFINITI G37 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 Porsche Cayman and the INFINITI G37.
When comparing the Porsche Cayman's and the INFINITI G37's specifications and ratings, the Porsche Cayman has the advantage in the area of fuel efficiency. The INFINITI G37 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 Porsche Cayman's and the INFINITI G37's specifications and ratings, the INFINITI G37 is a better car than the Porsche Cayman.
Pricing: A used 2008 Porsche Cayman ranges from $17,648 to $38,570 while a used 2008 INFINITI G37 is priced between $6,130 to $15,173.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Porsche Cayman’s base engine makes 245 horsepower, and the INFINITI G37 base engine makes 330 horsepower. The Cayman is rated to deliver an average of 23 miles per gallon, with a highway range of 490 miles. The G37 is rated to deliver an average of 20 miles per gallon, with a highway range of 480 miles. This gives the Porsche Cayman the fuel efficiency and maximum range advantage over the INFINITI G37. Both models use gasoline.
Passenger Space Comparison: The INFINITI G37 has the advantage of offering more interior volume, reflected in more front head room, and front shoulder room. The Porsche Cayman has the advantage in the area of cargo space.
New Car Pricing
Asking Price:
-
Starting MSRP:
$49,400
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
$34,250
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
Used Car Pricing
Avg Used Car Price:
$28,214
Price Range:
$17,648 - $38,570
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
26
Avg Mileage of Used Cars for Sale:
57,763
# Good or Great Deals:
12
Used Car Pricing
Avg Used Car Price:
$10,695
Price Range:
$6,130 - $15,173
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
33
Avg Mileage of Used Cars for Sale:
119,823
# Good or Great Deals:
12
Porsche Cayman Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
INFINITI G37 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
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:
iSeeCars Reliability Insights for INFINITI G37
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:
1.7
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.4
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Porsche Cayman Rankings
Not yet available
INFINITI G37 Rankings
Available Body Styles
Coupe
Available Body Styles
Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Porsche Cayman Trim Levels
Base, S
INFINITI G37 Trim Levels
Base, Journey, Sport
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 / 60000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
4 years / 60000 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:
245 hp @ 6500 rpm
Torque:
201 foot-lbs @ 4600 rpm
Power-to-Weight Ratio (higher is better):
0.085 hp per pound
Base Drivetrain Specs
Horsepower:
330 hp @ 7000 rpm
Torque:
270 foot-lbs @ 5200 rpm
Power-to-Weight Ratio (higher is better):
0.091 hp per pound
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 / 29 / 23
Range (city/hwy):
338 / 490 miles
Recommended Fuel Type:
Gasoline
Engine Specifications
Engine Size:
3.7 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
18 / 24 / 20
Range (city/hwy):
360 / 480 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Keyless Entry:
Standard
Leather Upholstery:
Standard
Power outlet:
Standard
Alloy wheels:
Available
Heated Seats
Available
Navigation System:
Available
Paddle Shifters:
Available
Parking Sensors:
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
Bluetooth:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Satellite radio:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Voice Recognition:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Keyless Entry:
Standard
Leather Upholstery:
Standard
Power outlet:
N/A
Alloy wheels:
Standard
Heated Seats
Available
Navigation System:
Available
Paddle Shifters:
N/A
Parking Sensors:
N/A
Adaptive Cruise Control:
Available
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Bluetooth:
Available
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
Available
Roadside assistance:
N/A
Roof Rack:
N/A
Satellite radio:
Standard
Sunroof/Moonroof:
Available
Trailer Hitch:
N/A
Voice Recognition:
Available
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:
Available
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:
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:
14.5 cubic feet
Overall Interior Volume:
48.0 cubic feet
Interior Dimensions
Front Head Room:
39.4 inches
Front Leg Room:
43.8 inches
Front Shoulder Room:
53.7 inches
Rear Head Room:
34.5 inches
Rear Leg Room:
29.8 inches
Rear Shoulder Room:
52.7 inches
Cargo Space:
7.4 cubic feet
Overall Interior Volume:
85.0 cubic feet
Exterior Dimensions
Curb Weight:
2866 lbs
Width:
70.9 inches
Height:
51.4 inches
Length:
172.1 inches
Wheelbase:
95.1 inches
Ground Clearance:
4.3 inches
Exterior Dimensions
Curb Weight:
3616 lbs
Width:
71.8 inches
Height:
54.8 inches
Length:
183.1 inches
Wheelbase:
112.2 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
Not yet available
Wheel Type:
Not yet available
Tire Size:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
225/50R18
Exterior Colors
Black
Basalt Black Metallic / Black
Blue
Cobalt Blue Metallic / Midnight Blue Metallic
Brown
Macadamia Metallic
Gray
Atlas Grey Metallic / Meteor Grey Metallic / Slate Grey Metallic
Green
Dark Olive Metallic / Forest Green Metallic / Malachite Green Metallic
Red
Guards Red / Ruby Red Metallic
Silver
Arctic Silver Metallic / GT Silver Metallic
White
Carrera White
Yellow
Speed Yellow
Exterior Colors
Black
Black Obsidian
Blue
Athens Blue / Blue Slate Metallic
Brown
Not available
Gray
Amythyst Graphite / Platinum Graphite Metallic
Green
Not available
Red
Vibrant Red
Silver
Liquid Platinum
White
Ivory Pearl
Yellow
Not available
Interior Colors
Beige
Sand Beige Full Leather / Sand Beige Leather / Sand Beige Sports Seats Leather
Black
Black Full Leather / Black Leather / Black Sports Seats Leather / Black/Stone Grey Leather
Blue
Sea Blue Full Leather / Sea Blue Leather / Sea Blue Sport Seats Leather
Brown
Brown Natural Leather / Special Leather Cocoa
Gray
Dark Grey Natural Leather / Stone Grey Full Leather / Stone Grey Leather / Stone Grey Sports Seats Leather
Red
Carrera Red Natural Leather / Special Leather Terracotta
Interior Colors
Beige
Not available
Black
Graphite
Blue
Not available
Brown
Wheat
Gray
Stone
Red
Not available