Porsche Boxster Porsche Boxster 2009 BMW Z4 BMW Z4 2011

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Porsche Boxster vs. BMW Z4 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 Z4 Invoice Comparison

Lowest Total Price: $72,025

BMW Z4 sDrive35is   
Difference: $9,485

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092011
ModelBoxsterZ4
TrimSsDrive35is
Body2dr Convertible2dr Hardtop conv.
Base Price $56,700 $61,550
Sport Chrono Package 1,320  
Adaptive dampers - electrical 1,990  
7-speed automated manual 3,420  
Adaptive Sports Seats 3,055  
iPod integration 440 400
Navigation system 3,110 2,100
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,560  
Metallic paint (extra cost) 710 550
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Floor mats 90  
Heated front seats 500  
Obstacle detection, rear 530 750
Upholstered instrument panel, leather 2,025 1,350
Heated steering wheel 190  
Bluetooth cell phone link 695  
Voice control for nav and audio 595  
CD changer, in-dash 650  
Satellite radio 750  
Premium Package   2,500
Cold Weather Package   1,000
Satellite radio - one year subscription   350
CD changer, remote   600
Sport Chrono Package 306  
Adaptive dampers - electrical 1,692  
7-speed automated manual 0  
Adaptive Sports Seats 2,597  
iPod integration 0 365
Navigation system 0 1,910
Auto-dimming rearview mirror 587  
Xenon HID headlights 0  
Metallic paint (extra cost) 0 500
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Floor mats 0  
Heated front seats 0  
Obstacle detection, rear 451 685
Upholstered instrument panel, leather -306 1,230
Heated steering wheel 0  
Bluetooth cell phone link 0  
Voice control for nav and audio 0  
CD changer, in-dash 553  
Satellite radio 0  
Premium Package   2,275
Cold Weather Package   910
Satellite radio - one year subscription   320
CD changer, remote   545
Options (change) 23,860 9,600
Options (change) 7,190 8,740
Destination 950 875
Total Price $81,510 $72,025

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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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Request free, no-obligation Porsche Boxster dealer quotes or BMW Z4 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Boxster vs. BMW Z4

Lowest Adjusted Price: BMW Z4 sDrive35is
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $12,990
TrueDelta Adjusted Invoice Difference: $55,067
Model Year20092011
ModelBoxsterZ4
TrimSsDrive35is
Body2dr Convertible2dr Hardtop conv.
Engine310hp H6335hp I6
TransmissionS7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/29 MPG17/24 MPG
Audio (watts, speakers)185, 7?, 10
Tire (rear if not all the same)235/40-18225/40-18
Total Price$81,510$72,025
Adjustments for Features0-3,505
Feature-Adjusted Total Price$81,510$68,520

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Features Comparison: Porsche Boxster vs. BMW Z4

Model Year20092011
ModelBoxsterZ4
TrimSsDrive35is
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200$1200
RWD$0$0
Accessories 
Remote app $25
Brakes, Airbags, and Other Safety 
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Tires, run-flat $150
Cargo Management 
Rear seat pass-through $100
Ski sack $50
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Water-repellent front-door glass$15 
Engine / Motor 
Mid-engine configuration$0 
Raised top speed limiter $0
Exterior 
Power convertible top$4000 
Power retractable hardtop $6750
Retractable rear spoiler$400 
Infotainment 
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
DVD-Audio-compatible player$0 
HD radio $50
iPod integration$100 
MP3-compatible player $50
Off-road navigation system$0 
Satellite radio$200 
Satellite radio - one year subscription $250
SD Card slot $25
SMS text-to-speech reader $25
Telematics service, such as OnStar $200
Traffic information $25
USB port $25
Voice control for external devices $0
Instruments, Lights, and Mirrors 
Automatic headlights $125
Chronometer$100 
Fog light, rear$100 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Power-folding mirrors $50
Trip computer$150 
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim $100
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Metal pedals$75 
Power 4-way lumbar adjuster, passenger seat $150
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Total Value of Features$6,965$10,370
Value of Feature Adjustments$0$3,505
Value of Feature Adjustments0-3,233

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Specifications Comparison: Porsche Boxster vs. BMW Z4

Model Year20092011
ModelBoxsterZ4
Body2dr Convertible2dr Hardtop conv.
Wheelbase95.1 in98.3 in
Length172.1 in166.9 in
Width70.9 in70.5 in
Height50.9 in50.8 in
Curb Weight3,042 lb.3,538 lb.
Fuel Capacity16.9 gal.14.5 gal.
Row 1 Headroom38.4 in39.1 in
Row 1 Shoulder Room51.7 in53.3 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in42.2 in
Cargo Volume9.9 ft310.9 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 fore-aft adjuster, driver seat100Yes
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
Total Requested115085%
Total Not Requested20015%

Option Package Details
BMW Z4 sDrive35is

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25No
Media drive, large15Yes
SD Card slot25No
Total Requested71593%
Total Not Requested507%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
iPod integration
FeatureValueRequested?
Voice control for external devices0No
USB port25Yes
Total Requested25100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Interior ambient lighting150Yes
SMS text-to-speech reader25No
Bluetooth audio streaming25No
Remote app25No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested170078%
Total Not Requested47522%
Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Rear seat pass-through100No
Heated steering wheel100Yes
Cargo net40Yes
Headlight washers50Yes
Ski sack50No
Total Requested39072%
Total Not Requested15028%

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