BMW 4-Series BMW 4-Series 2014 Porsche Boxster Porsche Boxster 2008

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BMW 4-Series vs. Porsche Boxster 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.

BMW 4-Series vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $57,375

BMW 4-Series 428i   
Difference: $4,600

Lowest Total Invoice: $52,960

BMW 4-Series 428i   
Difference: $845

Calculate Payments

  Down Payment Interest Rate Term
Model Year2014201420082008
Model4-Series4-SeriesBoxsterBoxster
Trim428i435iBaseS
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible
Base Price $48,750 $54,900 $45,800 $55,700
Base Invoice $45,030 $50,690 $39,923 $43,512
Sport Line 1,950 1,550    
Navigation system 2,150 2,150 3,110 3,110
Metallic paint (extra cost) 550 550 690 690
Leather seating surfaces 1,550      
Heated front seats 500 500 480 480
Adaptive dampers - electrical 1,000 1,000 1,990 1,990
Sport Chrono Package     920 920
Adaptive Sports Seats     3,055 3,055
Auto-dimming rearview mirror     690 690
Wind blocker, small     375 375
Floor mats     115 115
Automatic climate control, front     550 550
Wood trim     890 890
Carbon fiber / leather-wrapped steering wheel     1,360 1,360
Xenon HID headlights     1,090 1,090
Sport Line 1,775 1,410    
Navigation system 1,955 1,955 2,644 2,644
Metallic paint (extra cost) 500 500 587 587
Leather seating surfaces 1,410      
Heated front seats 455 455 408 408
Adaptive dampers - electrical 910 910 1,692 1,692
Sport Chrono Package     782 782
Adaptive Sports Seats     2,597 2,597
Auto-dimming rearview mirror     587 587
Wind blocker, small     319 319
Floor mats     98 98
Automatic climate control, front     468 468
Wood trim     757 757
Carbon fiber / leather-wrapped steering wheel     1,156 1,156
Xenon HID headlights     927 927
Options (change) 7,700 5,750 15,315 15,315
Options (change) 7,005 5,230 13,022 13,022
Destination 925 925 860 860
Total Price $57,375 $61,575 $61,975 $71,875
Total Invoice $52,960 $56,845 $53,805 $57,394

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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: BMW 4-Series vs. Porsche Boxster

Lowest Adjusted Price and Invoice: BMW 4-Series 428i
TrueDelta Adjusted Price Difference: $11,925
TrueDelta Adjusted Invoice Difference: $7,606
Model Year2014201420082008
Model4-Series4-SeriesBoxsterBoxster
Trim428i435iBaseS
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible
Engine240hp I4300hp I6245hp H6295hp H6
TransmissionT8T8M5M6
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9205, 950, 4230, 7
Tire (rear if not all the same)225/45-18225/45-18205/55-17235/40-18
Total Price$57,375$61,575$61,975$71,875
Adjustments for Features-7,325-7,3250-150
Feature-Adjusted Total Price$50,050$54,250$61,975$71,725
Cost Above Minimum$0$4,200$0$9,750
Total Invoice$52,960$56,845$53,805$57,394
Adjustments for Features-6,761-6,7620-120
Feature-Adjusted Total Invoice$46,199$50,083$53,805$57,274
Cost Above Minimum$0$3,884$0$3,469

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Features Comparison: BMW 4-Series vs. Porsche Boxster

Model Year2014201420082008
Model4-Series4-SeriesBoxsterBoxster
Trim428i435iBaseS
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300  
5-speed manual  $0 
6-speed manual   $150
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 
Automatic air recirculation$100$100  
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$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  
USB port$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 
Carbon fiber / leather-wrapped steering wheel  $150$150
Center armrest(s), second row$50$50  
Folding second row seats$300$300  
Leather door panel trim  $250$250
Leather-wrapped steering wheel$150$150  
Manual thigh support length adjuster, driver seat$50$50  
Manual thigh support length adjuster, passenger seat$50$50  
Metal pedals  $75$75
No leather in second row  $-300$-300
Power 4-way lumbar adjuster, driver seat  $150$150
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$12,855$12,855$5,530$5,680
Value of Feature Adjustments$7,325$7,325$0$150
Value of Feature Adjustments-6,761-6,7620-120

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Specifications Comparison: BMW 4-Series vs. Porsche Boxster

Model Year20142008
Model4-SeriesBoxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase110.6 in95.1 in
Length182.6 in170.4 in
Width71.9 in70.9 in
Height54.5 in51.0 in
Curb Weight3,966 lb.2,856 lb.
Fuel Capacity15.8 gal.17.0 gal.
Row 1 Headroom40.4 in38.4 in
Row 1 Shoulder Room55.3 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.2 in41.6 in
Row 2 Headroom37.1 in0.0 in
Row 2 Shoulder Room49.8 in0.0 in
Row 2 Legroom33.1 in0.0 in
Cargo Volume,
Minimum
7.8 ft39.9 ft3
Cargo Volume,
Maximum
13.0 ft39.9 ft3

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Option Package Details
BMW 4-Series 428i

Sport Line
FeatureValueRequested?
Sport suspension (upgrade)250No
Special interior trim0No
225/45VR18 tires400No
Door sill trim plates100Yes
Black exterior trim (optional)0No
Power seatback bolsters, passenger seat100Yes
Manual thigh support adjuster, driver seat50No
Power seatback bolsters, driver100Yes
Manual thigh support adjuster, passenger seat50No
Front sport buckets100Yes
Total Requested40035%
Total Not Requested75065%
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

Sport Line
FeatureValueRequested?
Sport suspension (upgrade)250No
Special interior trim0No
225/45VR18 tires400No
Door sill trim plates100Yes
Black exterior trim (optional)0No
Power seatback bolsters, passenger seat100Yes
Manual thigh support adjuster, driver seat50No
Power seatback bolsters, driver100Yes
Manual thigh support adjuster, passenger seat50No
Front sport buckets100Yes
Total Requested40035%
Total Not Requested75065%
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
Porsche Boxster

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested400100%
Total Not Requested00%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Total Requested50091%
Total Not Requested509%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
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%

Option Package Details
Porsche Boxster S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested400100%
Total Not Requested00%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Total Requested50091%
Total Not Requested509%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
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%

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