Porsche Boxster Porsche Boxster 2007 BMW X4 BMW X4 2015

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Porsche Boxster vs. BMW X4 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. BMW X4 Invoice Comparison

Lowest Total Price: $51,345

BMW X4 xDrive28i   
Difference: $9,420

Lowest Total Invoice: $47,940

BMW X4 xDrive28i   
Difference: $3,834

Calculate Payments

  Down Payment Interest Rate Term
Model Year2007200720152015
ModelBoxsterBoxsterX4X4
TrimBaseSxDrive28ixDrive35i
Body2dr Convertible2dr Convertible4dr SUV4dr SUV
Base Price $45,600 $55,500 $44,700 $48,000
Base Invoice $38,760 $48,415 $41,805 $44,840
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 1,000 1,000
Navigation system 3,070 3,070 2,150 2,150
Heated front seats 480 480 500 500
Wood trim 890 890    
Audio controls on steering wheel 990 990    
Automatic climate control, front 550 550    
Floor mats 115 115    
Xenon HID headlights 1,090 1,090    
Obstacle detection, rear 530 530    
Metallic paint (extra cost)     550 550
Leather seating surfaces     1,450 1,450
M Sport Package       1,900
Driver Assistance Package       700
Adaptive Sports Seats 2,597 2,597    
Auto-dimming rearview mirror 587 587    
Sport Chrono Package 782 782    
Adaptive dampers - electrical 1,692 1,692 910 910
Navigation system 2,610 2,610 1,955 1,955
Heated front seats 408 408 455 455
Wood trim 757 757    
Audio controls on steering wheel 842 842    
Automatic climate control, front 468 468    
Floor mats 98 98    
Xenon HID headlights 927 927    
Obstacle detection, rear 451 451    
Metallic paint (extra cost)     500 500
Leather seating surfaces     1,320 1,320
M Sport Package       1,730
Driver Assistance Package       635
Options (change) 14,370 14,370 5,650 8,250
Options (change) 12,219 12,219 5,140 7,505
Destination 795 795 995 995
Total Price $60,765 $70,665 $51,345 $57,245
Total Invoice $51,774 $61,429 $47,940 $53,340

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

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TrueDelta Value Comparison: Porsche Boxster vs. BMW X4

Lowest Adjusted Price and Invoice: BMW X4 xDrive28i
TrueDelta Adjusted Price Difference: $12,810
TrueDelta Adjusted Invoice Difference: $6,999
Model Year2007200720152015
ModelBoxsterBoxsterX4X4
TrimBaseSxDrive28ixDrive35i
Body2dr Convertible2dr Convertible4dr SUV4dr SUV
Engine245hp H6295hp H6240hp I4300hp I6
TransmissionM5M6T8T8
DrivetrainRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4230, 7205, 9205, 12
Tire (rear if not all the same)205/55-17235/40-18245/50-18245/45-19
Total Price$60,765$70,665$51,345$57,245
Adjustments for Features0-150-3,390-4,240
Feature-Adjusted Total Price$60,765$70,515$47,955$53,005
Cost Above Minimum$0$9,750$0$5,050
Total Invoice$51,774$61,429$47,940$53,340
Adjustments for Features0-130-3,165-3,951
Feature-Adjusted Total Invoice$51,774$61,299$44,775$49,389
Cost Above Minimum$0$9,525$0$4,614

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Features Comparison: Porsche Boxster vs. BMW X4

Model Year2007200720152015
ModelBoxsterBoxsterX4X4
TrimBaseSxDrive28ixDrive35i
Body2dr Convertible2dr Convertible4dr SUV4dr SUV
Transmission and Drivetrain 
5-speed manual$0   
6-speed manual $150  
8-speed manually-shiftable automatic  $1300$1300
RWD$0$0  
AWD  $1700$1700
Accessories 
Power liftgate  $350$350
Power rear side windows  $200$200
Remote app  $25$25
Remote window/roof operation  $15$15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0$0
Brake assist  $50$50
Hill descent control  $250$250
Obstacle detection, front   $150
Rearview camera   $200
Roll bar$200$200  
Side curtain airbags  $350$350
Tires, run-flat  $150$150
Torque vectoring, brake-based  $100$100
Cargo Management 
Cargo area rails w/tie downs  $50$50
Cargo cover  $75$75
Cargo mat  $40$40
Cargo net$40$40  
Roof rails  $250$250
Trailering equipment (4 wire)  $125$125
Climate Control 
Dual-zone climate control  $125$125
Rear air vents with manual controls  $150$150
Water-repellent front-door glass$15$15  
Engine / Motor 
Automatic start / stop  $150$150
Mid-engine configuration$0$0  
Regenerative braking  $0$0
Exterior 
Black exterior trim (optional)   $0
Bodyside cladding   $350
Bodyside cladding (gray/black)  $250 
Deep-tinted rear windows  $275$275
Power convertible top$4000$4000  
Rear spoiler  $200$200
Retractable rear spoiler$400$400  
Sport rocker panels (optional)   $0
Sunroof  $900$900
Wheel-lip moldings  $75$75
Infotainment 
App support  $0$0
Aux input  $50$50
Bluetooth audio streaming  $25$25
Bluetooth cell phone link  $100$100
DVD-compatible player  $0$0
Handwriting recognition  $200$200
HD radio  $50$50
In-vehicle Internet  $150$150
Media drive  $15$15
MP3-compatible player  $50$50
S Voice support  $0$0
Siri Eyes Free support  $0$0
Telematics service, such as OnStar  $200$200
Traffic + travel information  $25$25
Voice control for external devices  $0$0
Voice control for nav and audio  $100$100
Instruments, Lights, and Mirrors 
Automatic headlights  $125$125
Chronometer$100$100  
Fog light, rear$100$100  
Headlight washers$50$50  
Mirror tilt-down in reverse  $25$25
Power-folding mirrors  $50$50
Steering-linked headlights  $150$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
Manual thigh support length adjuster, driver seat   $50
Manual thigh support length adjuster, passenger seat   $50
Power 4-way lumbar adjuster, driver seat$150$150  
Power seatback bolsters, driver seat$100$100 $100
Power seatback bolsters, passenger seat$100$100 $100
Power thigh bolsters, driver seat$100$100  
Power thigh bolsters, passenger seat$100$100  
Transmission 
Steering-wheel-mounted transmission controls   $100
Total Value of Features$5,455$5,605$8,845$9,695
Value of Feature Adjustments$0$150$3,390$4,240
Value of Feature Adjustments0-130-3,165-3,951

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Specifications Comparison: Porsche Boxster vs. BMW X4

Model Year20072015
ModelBoxsterX4
Body2dr Convertible4dr SUV
Wheelbase95.1 in110.6 in
Length170.4 in184.3 in
Width70.9 in74.1 in
Height51.0 in63.9 in
Curb Weight2,856 lb.4,131 lb.
Fuel Capacity17.0 gal.17.7 gal.
Row 1 Headroom38.4 in40.0 in
Row 1 Shoulder Room51.7 in57.2 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in40.4 in
Row 2 Headroom0.0 in37.4 in
Row 2 Shoulder Room0.0 in56.0 in
Row 2 Legroom0.0 in34.8 in
Cargo Volume,
Minimum
9.9 ft317.7 ft3
Cargo Volume,
Maximum
9.949.4 ft3

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Option Package Details
Porsche Boxster

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 seat150No
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Total Requested100074%
Total Not Requested35026%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
Porsche Boxster 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 seat150No
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Total Requested100074%
Total Not Requested35026%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
BMW X4 xDrive28i

Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Handwriting recognition200No
App support0No
Remote app25No
Siri Eyes Free support0No
S Voice support0No
Total Requested60054%
Total Not Requested51546%

Option Package Details
BMW X4 xDrive35i

Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Handwriting recognition200No
App support0No
Remote app25No
Siri Eyes Free support0No
S Voice support0No
Total Requested60054%
Total Not Requested51546%
M Sport Package
FeatureValueRequested?
Sport rear fascia, e.g. diffuser (optional)0No
Steering-wheel-mounted transmission controls100No
Dark-colored headliner (optional)0No
Door sill trim plates100No
Sport rocker panels (optional)0No
Black exterior trim (optional)0No
Manual thigh support adjuster, driver seat50No
Power seatback bolsters, driver seat100Yes
Manual thigh support adjuster, passenger seat50No
Power seatback bolsters, passenger seat100Yes
Bodyside cladding100No
Sport front fascia (optional)0No
Front sport buckets100Yes
245/45WR19 tires400No
Total Requested30027%
Total Not Requested80073%
Driver Assistance Package
FeatureValueRequested?
Obstacle detection, front150No
Rearview camera200No
Total Requested00%
Total Not Requested350100%

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