Porsche Boxster Porsche Boxster 2009 BMW 4-Series BMW 4-Series 2018

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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: $91,225

Porsche Boxster S   
Difference: $2,260

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092018
ModelBoxster4-Series
TrimSM4
Body2dr Convertible2dr Hardtop conv.
Base Price $56,700 $76,200
Sport Chrono Package 1,320  
Adaptive dampers - electrical 1,990  
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
iPod integration 440  
Navigation system 3,110  
7-speed automated manual 3,420 2,900
Wind blocker, small 375  
Satellite radio 750  
Xenon HID headlights 1,560  
Metallic paint (extra cost) 710 550
Heated front seats 500  
Voice control for nav and audio 595  
Floor mats 90  
Bluetooth cell phone link 695  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Heated steering wheel 190 190
Obstacle detection, rear 530 750
Wood trim 890 0
Ceramic brake rotors 8,150 8,150
Upholstered instrument panel, leather 2,025  
Limited-slip rear differential 950  
Full Merino Leather   2,550
255/35YR19   1,200
Sport Chrono Package 306  
Adaptive dampers - electrical 1,692  
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
iPod integration 0  
Navigation system 0  
7-speed automated manual 0 2,670
Wind blocker, small 319  
Satellite radio 0  
Xenon HID headlights 0  
Metallic paint (extra cost) 0 505
Heated front seats 0  
Voice control for nav and audio 0  
Floor mats 0  
Bluetooth cell phone link 0  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Heated steering wheel 0 175
Obstacle detection, rear 451 690
Wood trim 757 0
Ceramic brake rotors 6,928 7,500
Upholstered instrument panel, leather -306  
Limited-slip rear differential 0  
Full Merino Leather   2,345
255/35YR19   1,105
Options (change) 33,575 16,290
Options (change) 14,641 14,990
Destination 950 995
Total Price $91,225 $93,485

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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. BMW 4-Series

Lowest Adjusted Price: BMW 4-Series M4
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $4,725
TrueDelta Adjusted Invoice Difference: $65,399
Model Year20092018
ModelBoxster4-Series
TrimSM4
Body2dr Convertible2dr Hardtop conv.
Engine310hp H6425hp I6
TransmissionS7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/29 MPG17/24 MPG
Audio (watts, speakers)185, 7600, 16
Tire (rear if not all the same)235/40-18255/35-19
Total Price$91,225$93,485
Adjustments for Features0-6,985
Feature-Adjusted Total Price$91,225$86,500

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Features Comparison: Porsche Boxster vs. BMW 4-Series

Model Year20092018
ModelBoxster4-Series
TrimSM4
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200$1200
RWD$0$0
Accessories 
Hands-free trunk or liftgate $100
Power rear side windows $200
Proximity key $250
Remote app $25
Remote window/roof operation $15
Wind blocker $300
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rearview camera $200
Roll bar$200 
Side curtain airbags $350
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Rear seat pass-through $100
Second-row low console $100
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents with manual controls $150
Residual heat $50
Water-repellent front-door glass$15 
Drivetrain 
Active rear differential $500
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration$0 
Regenerative braking $0
Exterior 
Black exterior trim (optional) $0
Painted brake calipers (optional) $0
Power convertible top$4000 
Power retractable hardtop $6750
Retractable rear spoiler$400 
Sport rocker panels (optional) $0
Infotainment 
4G LTE connectivity $0
App support $0
Bluetooth audio streaming $25
DVD-Audio-compatible player$0 
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
MP3-compatible player $50
Navigation map updates, three years $0
Off-road navigation system$0 
S Voice support $0
Satellite radio$200 
Satellite radio - one year subscription $250
Siri Eyes Free support $0
Surround sound $250
Telematics service, such as OnStar $200
Traffic + travel information $25
USB port $25
Voice control for external devices $0
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Automatic headlights $125
Chronometer$100 
Compass $0
Fog light, rear$100 
Fog lights$125 
Headlight washers$50 
LED headlights $1000
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights$150 
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row $50
Folding second row seats $300
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Metal pedals$75 
No leather in second row$-300 
Power 4-way lumbar adjuster, passenger seat $150
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Suspension, Wheels, and Tires 
Performance steering system (optional) $0
Sport suspension (upgrade) $0
Transmission 
Downshift rev matching $50
Total Value of Features$7,630$14,615
Value of Feature Adjustments$0$6,985
Value of Feature Adjustments0-6,540

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Specifications Comparison: Porsche Boxster vs. BMW 4-Series

Model Year20092018
ModelBoxster4-Series
Body2dr Convertible2dr Hardtop conv.
Wheelbase95.1 in110.6 in
Length172.1 in182.6 in
Width70.9 in71.9 in
Height50.9 in54.5 in
Curb Weight3,042 lb.4,112 lb.
Fuel Capacity16.9 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 S

Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Launch control100Yes
Total Requested30075%
Total Not Requested10025%
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, 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
Power fore-aft adjuster, driver seat100Yes
Total Requested115085%
Total Not Requested20015%

Option Package Details
BMW 4-Series M4

7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100Yes
Launch control100Yes
Total Requested200100%
Total Not Requested00%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
255/35YR19 tires
FeatureValueRequested?
255/35YR19 tires200No
275/35YR19 tires200No
Total Requested00%
Total Not Requested400100%
Full Merino Leather
FeatureValueRequested?
Leather upholstery, extended coverage450No
Leather door panel trim250Yes
Upholstered instrument panel, leather1000Yes
Total Requested125074%
Total Not Requested45026%

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