Porsche Boxster Porsche Boxster 2007 BMW 4-Series BMW 4-Series 2014

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Porsche Boxster vs. BMW 4-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 Boxster vs. BMW 4-Series Invoice Comparison

Lowest Total Price: $55,425

BMW 4-Series 428i   
Difference: $5,185

Lowest Total Invoice: $51,185

BMW 4-Series 428i   
Difference: $457

Calculate Payments

  Down Payment Interest Rate Term
Model Year2007200720142014
ModelBoxsterBoxster4-Series4-Series
TrimBaseS428i435i
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $45,600 $55,500 $48,750 $54,900
Base Invoice $38,760 $48,415 $45,030 $50,690
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
Xenon HID headlights 1,090 1,090    
Automatic climate control, front 550 550    
Floor mats 115 115    
Audio controls on steering wheel 990 990    
Wood trim 890 890    
Wind blocker, small 375 375    
Metallic paint (extra cost)     550 550
Leather seating surfaces     1,550  
Sport Line       1,550
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
Xenon HID headlights 927 927    
Automatic climate control, front 468 468    
Floor mats 98 98    
Audio controls on steering wheel 842 842    
Wood trim 757 757    
Wind blocker, small 319 319    
Metallic paint (extra cost)     500 500
Leather seating surfaces     1,410  
Sport Line       1,410
Options (change) 14,215 14,215 5,750 5,750
Options (change) 12,087 12,087 5,230 5,230
Destination 795 795 925 925
Total Price $60,610 $70,510 $55,425 $61,575
Total Invoice $51,642 $61,297 $51,185 $56,845

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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 4-Series

Lowest Adjusted Price and Invoice: BMW 4-Series 428i
TrueDelta Adjusted Price Difference: $12,110
TrueDelta Adjusted Invoice Difference: $6,852
Model Year2007200720142014
ModelBoxsterBoxster4-Series4-Series
TrimBaseS428i435i
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine245hp H6295hp H6240hp I4300hp I6
TransmissionM5M6T8T8
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4230, 7205, 9205, 9
Tire (rear if not all the same)205/55-17235/40-18225/50-17225/45-18
Total Price$60,610$70,510$55,425$61,575
Adjustments for Features0-150-6,925-7,225
Feature-Adjusted Total Price$60,610$70,360$48,500$54,350
Cost Above Minimum$0$9,750$0$5,850
Total Invoice$51,642$61,297$51,185$56,845
Adjustments for Features0-130-6,395-6,670
Feature-Adjusted Total Invoice$51,642$61,167$44,790$50,175
Cost Above Minimum$0$9,525$0$5,385

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Features Comparison: Porsche Boxster vs. BMW 4-Series

Model Year2007200720142014
ModelBoxsterBoxster4-Series4-Series
TrimBaseS428i435i
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manual$0   
6-speed manual $150  
8-speed manually-shiftable automatic  $1300$1300
RWD$0$0$0$0
Accessories 
Power rear side windows  $200$200
Remote app  $25$25
Remote window/roof operation  $15$15
Wind blocker  $300$300
Wind blocker, small$100$100  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0$0
Auto-raising roll bars / headrests  $500$500
Brake assist  $50$50
Knee airbag, driver  $75$75
Knee airbag, passenger  $75$75
Roll bar$200$200  
Side curtain airbags  $350$350
Tires, run-flat  $150$150
Cargo Management 
Air-conditioned storage compartment  $50$50
Cargo net$40$40  
Rear seat pass-through  $100$100
Second-row low console  $100$100
Climate Control 
Dual-zone climate control  $125$125
Rear air vents with manual controls  $150$150
Residual heat  $50$50
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
Power convertible top$4000$4000  
Power retractable hardtop  $6750$6750
Retractable rear spoiler$400$400  
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
SMS text-to-speech reader  $25$25
Telematics service, such as OnStar  $200$200
Text dictation  $50$50
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  
Compass  $0$0
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  
Suspension, Wheels, and Tires 
Sport suspension (upgrade)  $0$0
Transmission 
Launch control  $100$100
Steering-wheel-mounted transmission controls  $100$100
Total Value of Features$5,555$5,705$12,480$12,780
Value of Feature Adjustments$0$150$6,925$7,225
Value of Feature Adjustments0-130-6,395-6,670

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Specifications Comparison: Porsche Boxster vs. BMW 4-Series

Model Year20072014
ModelBoxster4-Series
Body2dr Convertible2dr Hardtop conv.
Wheelbase95.1 in110.6 in
Length170.4 in182.6 in
Width70.9 in71.9 in
Height51.0 in54.5 in
Curb Weight2,856 lb.3,966 lb.
Fuel Capacity17.0 gal.15.8 gal.
Row 1 Headroom38.4 in40.4 in
Row 1 Shoulder Room51.7 in55.3 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in42.2 in
Row 2 Headroom0.0 in37.1 in
Row 2 Shoulder Room0.0 in49.8 in
Row 2 Legroom0.0 in33.1 in
Cargo Volume,
Minimum
9.9 ft37.8 ft3
Cargo Volume,
Maximum
9.913.0 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 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
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
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 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
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested100074%
Total Not Requested35026%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
BMW 4-Series 428i

Adaptive dampers - electrical
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Sport suspension (upgrade)250No
Variable steering ratio (optional)0No
Total Requested50067%
Total Not Requested25033%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
Smartphone integration0No
In-vehicle Internet150No
Handwriting recognition200No
App support0No
Text dictation50No
Siri Eyes Free support0No
S Voice support0No
Total Requested60053%
Total Not Requested54047%

Option Package Details
BMW 4-Series 435i

Adaptive dampers - electrical
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Sport suspension (upgrade)250No
Variable steering ratio (optional)0No
Total Requested50067%
Total Not Requested25033%
Sport Line
FeatureValueRequested?
Sport suspension (upgrade)250No
Special interior trim0No
225/45VR18 tires400No
Door sill trim plates100No
Black exterior trim (optional)0No
Manual thigh support adjuster, driver seat50No
Power seatback bolsters, driver100Yes
Manual thigh support adjuster, passenger seat50No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Total Requested30026%
Total Not Requested85074%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
Smartphone integration0No
In-vehicle Internet150No
Handwriting recognition200No
App support0No
Text dictation50No
Siri Eyes Free support0No
S Voice support0No
Total Requested60053%
Total Not Requested54047%

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