Porsche Boxster Porsche Boxster 2008 Kia Cadenza Kia Cadenza 2018

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Porsche Boxster vs. Kia Cadenza 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 Boxster vs. Kia Cadenza Invoice Comparison

Lowest Total Price: $40,240

Kia Cadenza Technology   
Difference: $19,495

Lowest Total Invoice: $37,270

Kia Cadenza Technology   
Difference: $14,631

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820182018
ModelBoxsterBoxsterCadenzaCadenza
TrimBaseSTechnologyLimited
Body2dr Convertible2dr Convertible4dr Sedan4dr Sedan
Base Price $45,800 $55,700 $39,290 $44,690
Base Invoice $39,923 $43,512 $36,328 $41,320
Sport Chrono Package 920 920    
Adaptive dampers - electrical 1,990 1,990    
Power Seat Package 1,550 1,550    
Auto-dimming rearview mirror 690 690    
Metallic paint (extra cost) 690 690    
Floor mats 115 115    
Automatic climate control, front 550 550    
Carbon fiber / leather-wrapped steering wheel 1,360 1,360    
Heated front seats 480 480    
Navigation system 3,110 3,110    
Obstacle detection, rear 530 530    
Xenon HID headlights 1,090 1,090    
Cargo net     50 50
Sport Chrono Package 782 782    
Adaptive dampers - electrical 1,692 1,692    
Power Seat Package 1,318 1,318    
Auto-dimming rearview mirror 587 587    
Metallic paint (extra cost) 587 587    
Floor mats 98 98    
Automatic climate control, front 468 468    
Carbon fiber / leather-wrapped steering wheel 1,156 1,156    
Heated front seats 408 408    
Navigation system 2,644 2,644    
Obstacle detection, rear 451 451    
Xenon HID headlights 927 927    
Cargo net     42 42
Options (change) 13,075 13,075 50 50
Options (change) 11,118 11,118 42 42
Destination 860 860 900 900
Total Price $59,735 $69,635 $40,240 $45,640
Total Invoice $51,901 $55,490 $37,270 $42,262

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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 Boxster dealer quotes or Kia Cadenza dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Boxster vs. Kia Cadenza

Lowest Adjusted Price and Invoice: Kia Cadenza Technology
TrueDelta Adjusted Price Difference: $23,665
TrueDelta Adjusted Invoice Difference: $18,493
Model Year2008200820182018
ModelBoxsterBoxsterCadenzaCadenza
TrimBaseSTechnologyLimited
Body2dr Convertible2dr Convertible4dr Sedan4dr Sedan
Engine245hp H6295hp H6290hp V6290hp V6
TransmissionM5M6T8T8
DrivetrainRWDRWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4230, 7630, 12630, 12
Tire (rear if not all the same)205/55-17235/40-18245/45-18245/40-19
Total Price$59,735$69,635$40,240$45,640
Adjustments for Features0-150-4,170-6,410
Feature-Adjusted Total Price$59,735$69,485$36,070$39,230
Cost Above Minimum$0$9,750$0$3,160
Total Invoice$51,901$55,490$37,270$42,262
Adjustments for Features0-120-3,862-5,936
Feature-Adjusted Total Invoice$51,901$55,370$33,408$36,326
Cost Above Minimum$0$3,469$0$2,918

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Features Comparison: Porsche Boxster vs. Kia Cadenza

Model Year2008200820182018
ModelBoxsterBoxsterCadenzaCadenza
TrimBaseSTechnologyLimited
Body2dr Convertible2dr Convertible4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manual$0   
6-speed manual $150  
8-speed manually-shiftable automatic  $1300$1300
RWD$0$0  
FWD  $0$0
Accessories 
Adaptive cruise control, all-speed  $850$850
Cruise control$150$150  
Heated steering wheel  $100$100
Power rear side windows  $200$200
Power trunk closer   $350
Proximity key  $250$250
Proximity trunk or liftgate opener  $125$125
Sunshade, rear, power   $225
Sunshades, second row   $125
Tilt/telescoping steering wheel, manual$250$250  
Tilt/telescoping steering wheel, power  $350$350
Brakes, Airbags, and Other Safety 
911 assist  $25$25
Around view cameras   $500
Automatic braking, high-speed or partial  $200$200
Automatic braking, low-speed  $200$200
Blind spot collision prevention  $150$150
Blind spot warning system  $200$200
Brake assist  $50$50
Cross-traffic warning, rear  $100$100
Forward collision warning  $200$200
Knee airbag, driver  $75$75
Lane departure warning  $200$200
Rear side airbags  $300$300
Rearview camera  $200 
Roll bar$200$200  
Side curtain airbags  $350$350
Temporary spare tire  $150$150
Vehicle health reports  $0$0
Cargo Management 
Cargo mat   $40
Overhead sunglass holder  $25$25
Rear seat pass-through  $100$100
Climate Control 
Dual-zone climate control  $125$125
Heated windshield washer nozzles$15$15  
Rear air vents  $100$100
Water-repellent front-door glass$15$15  
Wiper de-icer  $25$25
Engine / Motor 
Mid-engine configuration$0$0  
Exterior 
Laminated front side windows  $200$200
Panoramic sunroof  $1200$1200
Power convertible top$4000$4000  
Retractable rear spoiler$400$400  
Infotainment 
Android Auto support  $100$100
App support  $0$0
Apple CarPlay support  $100$100
Aux input  $50$50
Bluetooth audio streaming  $25$25
Bluetooth cell phone link  $100$100
HD radio  $50$50
MP3-compatible player  $50$50
Satellite radio  $200$200
SMS text-to-speech reader  $25$25
Surround sound  $250$250
Traffic + travel information  $25$25
USB port  $25$25
Voice control for external devices  $0$0
Voice control for nav and audio  $100$100
Wireless charging station  $75$75
Instruments, Lights, and Mirrors 
Analog clock  $25$25
Approach detection  $25$25
Auto-dimming driver-side mirror$75$75  
Auto-dimming headlights  $200$200
Auto-dimming passenger-side mirror$75$75  
Automatic headlights  $125$125
Chronometer$100$100  
Compass  $0$0
Fog light, rear$100$100  
Head-up display (HUD)   $350
Headlight washers$50$50  
LED headlights  $1000$1000
Power-folding mirrors  $50$50
Turn signals on or near mirrors  $25$25
Xenon HID headlights$500$500  
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel$150$150  
Center armrest(s), second row  $50$50
Cooled or ventilated front seats  $300$300
Heated second row seats   $200
Leather door panel trim$250$250  
Leather-wrapped steering wheel  $150$150
Metal pedals$75$75  
No leather in second row$-300$-300  
Power lumbar adjuster, passenger seat  $100$100
Power thigh support length adjuster, driver seat  $100$100
Synthetic suede headliner   $650
Upgraded floor mats   $0
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500  
Transmission 
Steering-wheel-mounted transmission controls  $100$100
Total Value of Features$6,605$6,755$10,775$13,015
Value of Feature Adjustments$0$150$4,170$6,410
Value of Feature Adjustments0-120-3,862-5,936

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Specifications Comparison: Porsche Boxster vs. Kia Cadenza

Model Year20082018
ModelBoxsterCadenza
Body2dr Convertible4dr Sedan
Wheelbase95.1 in112.4 in
Length170.4 in195.7 in
Width70.9 in73.6 in
Height51.0 in57.9 in
Curb Weight2,856 lb.3,634 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.4 in40.2 in
Row 1 Shoulder Room51.7 in58.3 in
Row 1 Hip Room53.4 in56.5 in
Row 1 Legroom41.6 in45.5 in
Row 2 Headroom0.0 in37.9 in
Row 2 Shoulder Room0.0 in56.5 in
Row 2 Hip Room0.0 in56.3 in
Row 2 Legroom0.0 in37.2 in
Cargo Volume9.9 ft316.0 ft3

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Option Package Details
Porsche Boxster

Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
Power Seat Package
FeatureValueRequested?
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
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested850100%
Total Not Requested00%

Option Package Details
Porsche Boxster S

Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
Power Seat Package
FeatureValueRequested?
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
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested850100%
Total Not Requested00%

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