Porsche Boxster Porsche Boxster 2007 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: $79,190

Porsche Boxster S   
Difference: $11,555

Lowest Total Invoice: $68,676

Porsche Boxster S   
Difference: $16,334

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072018
ModelBoxster4-Series
TrimSM4
Body2dr Convertible2dr Hardtop conv.
Base Price $55,500 $76,200
Base Invoice $48,415 $71,545
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Wind blocker, small 375  
Xenon HID headlights 1,090  
Heated front seats 480  
Audio controls on steering wheel 990  
Navigation system 3,070  
Floor mats 115  
Automatic climate control, front 550  
Obstacle detection, rear 530 750
Wood trim 890 0
Ceramic brake rotors 8,150 8,150
Metallic paint (extra cost)   550
255/35YR19   1,200
7-speed automated manual   2,900
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Wind blocker, small 319  
Xenon HID headlights 927  
Heated front seats 408  
Audio controls on steering wheel 842  
Navigation system 2,610  
Floor mats 98  
Automatic climate control, front 468  
Obstacle detection, rear 451 690
Wood trim 757 0
Ceramic brake rotors 6,928 7,500
Metallic paint (extra cost)   505
255/35YR19   1,105
7-speed automated manual   2,670
Options (change) 22,895 13,550
Options (change) 19,466 12,470
Destination 795 995
Total Price $79,190 $90,745
Total Invoice $68,676 $85,010

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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 and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $2,655
TrueDelta Adjusted Invoice Difference: $7,996
Model Year20072018
ModelBoxster4-Series
TrimSM4
Body2dr Convertible2dr Hardtop conv.
Engine295hp H6425hp I6
TransmissionM6S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/28 MPG17/24 MPG
Audio (watts, speakers)230, 7600, 16
Tire (rear if not all the same)235/40-18255/35-19
Total Price$79,190$90,745
Adjustments for Features0-8,900
Feature-Adjusted Total Price$79,190$81,845
Total Invoice$68,676$85,010
Adjustments for Features0-8,338
Feature-Adjusted Total Invoice$68,676$76,672

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Features Comparison: Porsche Boxster vs. BMW 4-Series

Model Year20072018
ModelBoxster4-Series
TrimSM4
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed automated manual $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
Brake assist $50
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 
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
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
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
Navigation map updates, three years $0
S Voice support $0
Satellite radio $200
Siri Eyes Free support $0
Surround sound $250
Telematics service, such as OnStar $200
Traffic + travel information $25
Voice control for external devices $0
Voice control for nav and audio $100
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
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
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
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,055$14,955
Value of Feature Adjustments$0$8,900
Value of Feature Adjustments0-8,338

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Specifications Comparison: Porsche Boxster vs. BMW 4-Series

Model Year20072018
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 Weight2,965 lb.4,112 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 S

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 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

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%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100No
Launch control100No
Total Requested00%
Total Not Requested200100%

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