Porsche Cayman Porsche Cayman 2008 Buick Regal Buick Regal 2018

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Porsche Cayman vs. Buick Regal 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. Buick Regal Invoice Comparison

Lowest Total Price: $42,210

Buick Regal GS   
Difference: $23,355

Lowest Total Invoice: $40,446

Buick Regal GS   
Difference: $16,502

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082018
ModelCaymanCaymanRegal
TrimBaseSGS
Body2dr Hatch2dr Hatch4dr Hatch
Base Price $49,400 $59,100 $39,065
Base Invoice $43,075 $51,567 $37,502
Adaptive Sports Seats 3,055 3,055  
Auto-dimming rearview mirror 690 690  
Sport Chrono Package 920 920  
Adaptive dampers - electrical 1,990 1,990  
Metallic paint (extra cost) 690 690 395
Floor mats 115 115  
Carbon fiber / leather-wrapped steering wheel 1,360 1,360  
Illuminated door sill trim plates 725 725 395
Obstacle detection, rear 530 530  
Navigation system 3,110 3,110  
Automatic climate control, front 550 550  
Heated front seats 480 480  
Xenon HID headlights 1,090 1,090  
Sights and Sounds Package     945
Appearance Package     485
Adaptive Sports Seats 2,597 2,597  
Auto-dimming rearview mirror 587 587  
Sport Chrono Package 782 782  
Adaptive dampers - electrical 1,692 1,692  
Metallic paint (extra cost) 587 587 359
Floor mats 98 98  
Carbon fiber / leather-wrapped steering wheel 1,156 1,156  
Illuminated door sill trim plates 616 616 359
Obstacle detection, rear 451 451  
Navigation system 2,644 2,644  
Automatic climate control, front 468 468  
Heated front seats 408 408  
Xenon HID headlights 927 927  
Sights and Sounds Package     860
Appearance Package     441
Options (change) 15,305 15,305 2,220
Options (change) 13,013 13,013 2,019
Destination 860 860 925
Total Price $65,565 $75,265 $42,210
Total Invoice $56,948 $65,440 $40,446

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

Dealer Price Quotes

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Request free, no-obligation Porsche Cayman dealer quotes or Buick Regal dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Cayman vs. Buick Regal

Lowest Adjusted Price and Invoice: Buick Regal GS
TrueDelta Adjusted Price Difference: $32,030
TrueDelta Adjusted Invoice Difference: $24,814
Model Year200820082018
ModelCaymanCaymanRegal
TrimBaseSGS
Body2dr Hatch2dr Hatch4dr Hatch
Engine245hp H6295hp H6310hp V6
TransmissionM5M6T9
DrivetrainRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4230, 7?, 8
Tire (rear if not all the same)205/55-17235/40-18245/40-19
Total Price$65,565$75,265$42,210
Adjustments for Features0-150-8,675
Feature-Adjusted Total Price$65,565$75,115$33,535
Cost Above Minimum$0$9,550$0
Total Invoice$56,948$65,440$40,446
Adjustments for Features0-130-8,312
Feature-Adjusted Total Invoice$56,948$65,310$32,134
Cost Above Minimum$0$8,362$0

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Features Comparison: Porsche Cayman vs. Buick Regal

Model Year200820082018
ModelCaymanCaymanRegal
TrimBaseSGS
Body2dr Hatch2dr Hatch4dr Hatch
Transmission and Drivetrain 
5-speed manual$0  
6-speed manual $150 
9-speed manually-shiftable automatic  $1400
RWD$0$0 
AWD  $1700
Accessories 
Active noise reduction  $0
Heated steering wheel  $100
Power rear side windows  $200
Proximity key  $250
Remote app  $25
Remote start  $150
Brakes, Airbags, and Other Safety 
Blind spot warning system  $200
Brake assist  $50
Cross-traffic warning, rear  $100
Knee airbag, driver  $75
Knee airbag, passenger  $75
Obstacle detection, front  $150
Rear side airbags  $300
Rearview camera  $200
Rollover sensor  $50
Safety key  $5
Side curtain airbags  $350
Vehicle health reports  $0
Cargo Management 
Cargo cover  $75
Overhead sunglass holder  $25
Climate Control 
Dual-zone climate control  $125
Heated windshield washer nozzles$15$15 
Rain-sensing wipers$175$175 
Rear air vents  $100
Variable intermittent wipers  $75
Water-repellent front-door glass$15$15 
Drivetrain 
Active rear differential  $500
Engine / Motor 
Mid-engine configuration$0$0 
Exterior 
Body kit  $0
Laminated front side windows  $200
Painted brake calipers (optional)  $0
Rear spoiler  $200
Retractable rear spoiler$400$400 
Infotainment 
4G LTE connectivity  $0
Android Auto support  $100
App support  $0
Apple CarPlay support  $100
Aux input  $50
Bluetooth audio streaming  $25
Bluetooth cell phone link  $100
CD player$125$125 
HD radio  $50
Satellite radio  $200
SMS text-to-speech reader  $25
Telematics service, such as OnStar, with navigation  $225
USB port  $25
Voice control for external devices  $0
Voice control for nav and audio  $100
Wi-Fi hotspot  $50
Wireless charging station  $75
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75$75 
Automatic headlights  $125
Chronometer$100$100 
Compass  $0
Cornering lights  $50
Fog light, rear$100$100 
Fog lights$125$125 
Headlight washers$50$50 
Large color reconfigurable instrument cluster display  $250
LED headlights  $1000
Performance meter  $150
Turn signals on or near mirrors  $25
Xenon HID headlights$500$500 
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel$150$150 
Center armrest(s), second row  $50
Cooled or ventilated front seats  $300
Folding second row seats  $300
Leather door panel trim$250$250 
Leather-wrapped steering wheel  $150
Manual thigh support length adjuster, driver seat  $50
Manual thigh support length adjuster, passenger seat  $50
Massage, driver seat  $100
Massage, passenger seat  $100
No leather in second row$-300$-300 
Power 4-way lumbar adjuster, passenger seat  $150
Power thigh bolsters, driver seat$100$100 
Power thigh bolsters, passenger seat$100$100 
Total Value of Features$1,980$2,130$10,655
Value of Feature Adjustments$0$150$8,675
Value of Feature Adjustments0-130-8,312

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Specifications Comparison: Porsche Cayman vs. Buick Regal

Model Year20082018
ModelCaymanRegal
Body2dr Hatch4dr Hatch
Wheelbase95.1 in111.4 in
Length170.9 in192.9 in
Width70.9 in73.3 in
Height51.4 in57.3 in
Curb Weight2,966 lb.4,082 lb.
Fuel Capacity17.0 gal.16.3 gal.
Row 1 Headroom0.0 in38.8 in
Row 1 Shoulder Room0.0 in56.9 in
Row 1 Hip Room0.0 in55.2 in
Row 1 Legroom0.0 in42.1 in
Row 2 Headroom0.0 in37.4 in
Row 2 Shoulder Room0.0 in55.4 in
Row 2 Hip Room0.0 in54.1 in
Row 2 Legroom0.0 in36.9 in
Cargo Volume,
Minimum
14.5 ft331.5 ft3
Cargo Volume,
Maximum
14.560.7 ft3

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Option Package Details
Porsche Cayman

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 tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Total Requested115085%
Total Not Requested20015%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

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 tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Total Requested115085%
Total Not Requested20015%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
Buick Regal GS

Sights and Sounds Package
FeatureValueRequested?
Navigation system600Yes
Bose, 8 speakers (with subwoofer)350No
Voice control for nav and audio75No
HD radio50No
Speed limit information0No
Total Requested60056%
Total Not Requested47544%
Appearance Package
FeatureValueRequested?
Cornering lights50No
LED headlights1000No
Wireless charging station75No
Total Requested00%
Total Not Requested1125100%

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