Porsche Boxster Porsche Boxster 2016 Cadillac XTS Cadillac XTS 2015

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Porsche Boxster vs. Cadillac XTS 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. Cadillac XTS Invoice Comparison

Lowest Total Price: $63,805

Cadillac XTS Platinum   
Difference: $14,105

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162016201620152015
ModelBoxsterBoxsterBoxsterXTSXTS
TrimBaseSGTSPlatinumVsport Platinum
Body2dr Convertible2dr Convertible2dr Convertible4dr Sedan4dr Sedan
Base Price $52,100 $63,900 $74,600 $62,015 $69,785
Power sport seats 2,320 2,320      
Premium Package Plus 3,620 2,950 1,965    
Infotainment Package 3,990 3,990 3,990    
Adaptive cruise control, all-speed 2,170 2,170 2,170    
Torque vectoring, brake-based 1,320 1,320 1,320    
Adaptive dampers - electrical 1,790 1,790      
Metallic paint (extra cost) 710 710 710 495 495
Audio controls on steering wheel 615 615 165    
Wood trim 1,790 1,790      
Power-folding mirrors 320 320 320    
Rearview camera 1,515 1,515 1,515    
Heated steering wheel 270 270 270    
Voice control for nav and audio 520 520 520    
Auto-dimming headlights 520 520 520    
Illuminated door sill trim plates 825 825 825    
Upholstered instrument panel, leather 2,520 2,520      
Bose 505W 10 speakers   0      
Adaptive sport seats plus     3,025    
Bright-finished exhaust tip(s)     650    
Cooled or ventilated front seats     730    
CD player, remote       300 300
Power sport seats 0 0      
Premium Package Plus 0 0 0    
Infotainment Package 0 0 0    
Adaptive cruise control, all-speed 0 0 0    
Torque vectoring, brake-based 0 0 0    
Adaptive dampers - electrical 0 0      
Metallic paint (extra cost) 0 0 0 436 436
Audio controls on steering wheel 0 0 0    
Wood trim 0 0      
Power-folding mirrors 0 0 0    
Rearview camera 0 0 0    
Heated steering wheel 0 0 0    
Voice control for nav and audio 0 0 0    
Auto-dimming headlights 0 0 0    
Illuminated door sill trim plates 0 0 0    
Upholstered instrument panel, leather 0 0      
Bose 505W 10 speakers   0      
Adaptive sport seats plus     0    
Bright-finished exhaust tip(s)     0    
Cooled or ventilated front seats     0    
CD player, remote       264 264
Options (change) 24,815 24,145 18,695 795 795
Options (change) 0 0 0 700 700
Destination 995 995 995 995 995
Total Price $77,910 $89,040 $94,290 $63,805 $71,575

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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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TrueDelta Value Comparison: Porsche Boxster vs. Cadillac XTS

Lowest Adjusted Price: Cadillac XTS Platinum
Lowest Adjusted Invoice: Porsche Boxster GTS
TrueDelta Adjusted Price Difference: $17,460
TrueDelta Adjusted Invoice Difference: $55,566
Model Year20162016201620152015
ModelBoxsterBoxsterBoxsterXTSXTS
TrimBaseSGTSPlatinumVsport Platinum
Body2dr Convertible2dr Convertible2dr Convertible4dr Sedan4dr Sedan
Engine265hp H6315hp H6330hp H6304hp V6410hp V6
TransmissionM6M6M6T6T6
DrivetrainRWDRWDRWDFWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)185, 7445, 10445, 10?, 14?, 14
Tire (rear if not all the same)235/45-18235/40-19235/35-20245/40-20245/40-20
Total Price$77,910$89,040$94,290$63,805$71,575
Adjustments for Features0-250-1,900-3,355-4,530
Feature-Adjusted Total Price$77,910$88,790$92,390$60,450$67,045
Cost Above Minimum$0$10,880$14,480$0$6,595

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Features Comparison: Porsche Boxster vs. Cadillac XTS

Model Year20162016201620152015
ModelBoxsterBoxsterBoxsterXTSXTS
TrimBaseSGTSPlatinumVsport Platinum
Body2dr Convertible2dr Convertible2dr Convertible4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150$150  
6-speed manually-shiftable automatic   $1100$1100
RWD$0$0$0  
FWD   $0 
AWD    $1700
Accessories 
AC power outlet   $100$100
Active noise reduction   $0$0
Power rear side windows   $200$200
Remote app   $25$25
Remote start   $150$150
Semi-automated parking system   $500 
Sunshade, rear, power   $225$225
Sunshades, second row   $125$125
Wind blocker, small$100$100$100  
Brakes, Airbags, and Other Safety 
Automatic braking, low-speed   $200$200
Backup collision intervention   $150$150
Blind spot warning system   $200$200
Cross-traffic warning, rear   $100$100
Lane departure warning   $200$200
Lane keeping assist   $400 
Rear side airbags   $300$300
Roll bar$200$200$200  
Rollover sensor   $50$50
Torque vectoring, brake-based$100$100$100  
Vehicle health reports   $0$0
Cargo Management 
Rear seat pass-through   $100$100
Climate Control 
Heated windshield washer nozzles$15$15$15  
Rear air vents with automatic controls   $250$250
Residual heat$50$50$50  
Water-repellent front-door glass$15$15$15  
Drivetrain 
Electronically-variable engine mounts (performance-oriented)  $500  
Limited-slip rear differential$300$300$300 $300
Engine / Motor 
Automatic start / stop$150$150$150  
Dual-mode exhaust, switchable  $500  
Mid-engine configuration$0$0$0  
Regenerative braking$0$0$0  
Exterior 
Black exterior trim (optional)  $0  
Laminated front side windows   $200$200
Painted brake calipers (optional) $0$0  
Panoramic sunroof   $1200$1200
Power convertible top$4000$4000$4000  
Retractable rear spoiler$400$400$400  
Infotainment 
4G LTE connectivity   $0$0
CD player$125$125$125  
CD player, remote   $100$100
DVD-Audio-compatible player$0$0$0  
Media drive$15$15$15  
Off-road navigation system$0$0$0  
Rear seat audio controls   $25$25
SD Card slot   $25$25
Surround sound $250$250$250$250
Telematics service, such as OnStar, with navigation   $225$225
Voice control for external devices   $0$0
Wi-Fi hotspot   $50$50
Instruments, Lights, and Mirrors 
Approach detection   $25$25
Boost gauge    $75
Chronometer  $100  
Compass   $0$0
Cornering lights   $50$50
Fog light, rear$100$100$100  
Head-up display (HUD)   $350$350
Headlight washers$50$50$50  
Large color reconfigurable instrument cluster display   $250$250
Performance meter  $150  
Turn signals on or near mirrors   $25$25
Seats and Interior Trim 
Center armrest(s), second row   $50$50
Folding second row seats   $300$300
Heated second row seats   $200$200
Leather door panel trim$250$250 $250$250
Leather-wrapped steering wheel$150$150$150  
Manual thigh support length adjuster, driver seat   $50$50
Manual thigh support length adjuster, passenger seat   $50$50
Memory system, passenger seat   $150$150
Metal pedals$75$75$75  
No leather in second row$-300$-300$-300  
Power seatback bolsters, driver seat  $100  
Power seatback bolsters, passenger seat  $100  
Power thigh bolsters, driver seat  $100  
Power thigh bolsters, passenger seat  $100  
Power thigh support length adjuster, driver seat$100$100$100  
Power thigh support length adjuster, passenger seat$100$100$100  
Synthetic suede door panel trim  $250  
Synthetic suede headliner   $650$650
Wood trim$300$300   
Wood trim, alternative type   $300$300
Suspension, Wheels, and Tires 
Alloy wheels$350$350$350  
Electronic systems calibration selector  $200$200$200
Polished alloy wheels   $350$350
Rear air springs, auto-leveling   $350$350
Transmission 
Launch control  $100  
Steering-wheel-mounted transmission controls   $100$100
Total Value of Features$6,795$7,045$8,695$10,150$11,325
Value of Feature Adjustments$0$250$1,900$3,355$4,530
Value of Feature Adjustments0-3-20-3,138-4,237

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Specifications Comparison: Porsche Boxster vs. Cadillac XTS

Model Year20162015
ModelBoxsterXTS
Body2dr Convertible4dr Sedan
Wheelbase97.4 in111.7 in
Length172.2 in202.0 in
Width70.9 in72.9 in
Height50.5 in59.5 in
Curb Weight2,889 lb.4,007 lb.
Fuel Capacity16.9 gal.19.0 gal.
Row 1 Headroom38.6 in39.0 in
Row 1 Shoulder Room51.7 in57.9 in
Row 1 Hip Room53.4 in55.1 in
Row 1 Legroom42.6 in42.1 in
Row 2 Headroom0.0 in37.8 in
Row 2 Shoulder Room0.0 in56.3 in
Row 2 Hip Room0.0 in54.3 in
Row 2 Legroom0.0 in40.0 in
Cargo Volume9.9 ft318.0 ft3

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Option Package Details
Porsche Boxster

Power sport seats
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested110085%
Total Not Requested20015%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50No
Total Requested237596%
Total Not Requested1004%
Infotainment Package
FeatureValueRequested?
Unbranded, 185W, 7 speakers350No
App support0Yes
Satellite radio200Yes
DVD-Audio-compatible player0No
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15No
Total Requested90071%
Total Not Requested36529%

Option Package Details
Porsche Boxster S

Power sport seats
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested110085%
Total Not Requested20015%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Residual heat50No
Automatic air recirculation100Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Steering-linked headlights150Yes
Headlight washers50No
Total Requested187595%
Total Not Requested1005%
Infotainment Package
FeatureValueRequested?
App support0Yes
Satellite radio200Yes
DVD-Audio-compatible player0No
HD radio50Yes
USB port25Yes
Off-road navigation system0No
Media drive15No
Navigation system600Yes
Traffic information25Yes
Total Requested90098%
Total Not Requested152%

Option Package Details
Porsche Boxster GTS

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Total Requested110065%
Total Not Requested60035%
Premium Package Plus
FeatureValueRequested?
Proximity key250Yes
Interior ambient lighting150Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Total Requested142597%
Total Not Requested503%
Infotainment Package
FeatureValueRequested?
Surround sound250Yes
Performance meter150No
App support0Yes
Bose, 445W, 10 speakers (with subwoofer)350No
Satellite radio200Yes
DVD-Audio-compatible player0No
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15No
Total Requested115069%
Total Not Requested51531%

Option Package Details
Cadillac XTS Platinum

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50Yes
Total Requested150100%
Total Not Requested00%

Option Package Details
Cadillac XTS Vsport Platinum

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50Yes
Total Requested150100%
Total Not Requested00%

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