Porsche Cayman Porsche Cayman 2008 BMW 3-Series BMW 3-Series 2008

We are 103,000+ car owners sharing real-world car information.

Join Us

Porsche Cayman vs. BMW 3-Series Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Porsche Cayman vs. BMW 3-Series Invoice Comparison

Lowest Total Price: $69,225

BMW 3-Series M3   
Difference: $9,300

Lowest Total Invoice: $63,935

BMW 3-Series M3   
Difference: $4,277

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008
ModelCayman3-Series
TrimSM3
Body2dr Hatch2dr Coupe
Base Price $59,100 $56,500
Base Invoice $51,567 $52,160
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,090  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Metallic paint (extra cost) 690 550
Automatic climate control, front 550  
Carbon fiber / leather-wrapped steering wheel 1,360  
Obstacle detection, rear 530 350
Heated front seats 480  
Navigation system 3,110  
Wood trim 890 0
5-speed shiftable automatic 3,210  
Cold Weather Package   750
Premium Package   1,900
Technology Package   3,250
Rear spoiler   0
Leather door panel trim   1,100
7-speed automated manual   2,700
Sunroof   0
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Xenon HID headlights 927  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Metallic paint (extra cost) 587 500
Automatic climate control, front 468  
Carbon fiber / leather-wrapped steering wheel 1,156  
Obstacle detection, rear 451 320
Heated front seats 408  
Navigation system 2,644  
Wood trim 757 0
5-speed shiftable automatic 2,729  
Cold Weather Package   685
Premium Package   1,730
Technology Package   2,960
Rear spoiler   0
Leather door panel trim   1,000
7-speed automated manual   2,455
Sunroof   0
Options (change) 18,565 10,600
Options (change) 15,785 9,650
Destination 860 825
Gas Tax 0 1,300
Total Price $78,525 $69,225
Total Invoice $68,212 $63,935

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Porsche Cayman dealer quotes or BMW 3-Series dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Porsche Cayman vs. BMW 3-Series

Lowest Adjusted Price and Invoice: BMW 3-Series M3
TrueDelta Adjusted Price Difference: $13,600
TrueDelta Adjusted Invoice Difference: $8,248
Model Year20082008
ModelCayman3-Series
TrimSM3
Body2dr Hatch2dr Coupe
Engine295hp H6414hp V8
TransmissionT5S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/25 MPG14/20 MPG
Audio (watts, speakers)230, 7?, 10
Tire (rear if not all the same)235/40-18245/40-18
Total Price$78,525$69,225
Adjustments for Features0-4,300
Feature-Adjusted Total Price$78,525$64,925
Total Invoice$68,212$63,935
Adjustments for Features0-3,971
Feature-Adjusted Total Invoice$68,212$59,964

Return to top

Features Comparison: Porsche Cayman vs. BMW 3-Series

Model Year20082008
ModelCayman3-Series
TrimSM3
Body2dr Hatch2dr Coupe
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
7-speed automated manual $1200
RWD$0$0
Accessories 
Proximity key $250
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Automatic seat belt presenters, front row $100
Brake assist $50
Side curtain airbags $350
Cargo Management 
Air-conditioned storage compartment $50
Cargo mat $40
Cargo net$40 
Rear seat pass-through $100
Second-row low console $100
Ski sack $50
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents with manual controls $150
Residual heat $50
Water-repellent front-door glass$15 
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Rear spoiler $200
Retractable rear spoiler$400 
Sunroof $900
Infotainment 
Aux input $50
Bluetooth cell phone link $100
MP3-compatible player $50
Telematics service, such as OnStar $200
Traffic information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Automatic headlights $125
Chronometer$100 
Compass $0
Fog light, rear$100 
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors $25
Seats and Interior Trim 
Aluminum trim $100
Carbon fiber / leather-wrapped steering wheel$150 
Center armrest(s), second row $50
Folding second row seats $300
Leather-wrapped steering wheel $150
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Metal pedals$75 
No leather in second row$-300 
Power 4-way lumbar adjuster, passenger seat $150
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$1,780$6,080
Value of Feature Adjustments$0$4,300
Value of Feature Adjustments0-3,971

Return to top

Specifications Comparison: Porsche Cayman vs. BMW 3-Series

Model Year20082008
ModelCayman3-Series
Body2dr Hatch2dr Coupe
Wheelbase95.1 in108.7 in
Length170.9 in181.1 in
Width70.9 in70.2 in
Height51.4 in54.1 in
Curb Weight3,163 lb.3,704 lb.
Fuel Capacity17.0 gal.15.9 gal.
Row 1 Headroom0.0 in38.4 in
Row 1 Shoulder Room0.0 in55.3 in
Row 1 Legroom0.0 in41.8 in
Row 2 Headroom0.0 in36.8 in
Row 2 Shoulder Room0.0 in51.9 in
Row 2 Legroom0.0 in33.7 in
Cargo Volume14.5 ft311.1 ft3

Return to top

Option Package Details
Porsche Cayman S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Total Requested115085%
Total Not Requested20015%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
BMW 3-Series M3

Upholstered door panels, leather
FeatureValueRequested?
Upholstered door panels, leather250Yes
Leather seating surfaces450Yes
Total Requested700100%
Total Not Requested00%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100No
Launch control100No
Total Requested00%
Total Not Requested200100%
Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Headlight washers50Yes
Ski sack50No
Total Requested25083%
Total Not Requested5017%
Premium Package
FeatureValueRequested?
Leather seating surfaces450Yes
Universal garage door opener100Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100No
Auto-dimming driver-side mirror75Yes
Compass0No
Aluminum trim100No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Total Requested70061%
Total Not Requested45039%
Technology Package
FeatureValueRequested?
Adaptive shocks - electrical500Yes
Navigation system600Yes
Proximity key250No
Voice control for nav and audio100No
Traffic information25No
Electronic systems calibration selector200Yes
Total Requested130078%
Total Not Requested37522%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Porsche models.