Porsche Boxster Porsche Boxster 2010 BMW Z4 BMW Z4 2009

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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: $64,020

BMW Z4 sDrive35i   
Difference: $3,990

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102009
ModelBoxsterZ4
TrimBasesDrive35i
Body2dr Convertible2dr Hardtop conv.
Base Price $47,600 $51,650
iPod integration 440 400
Navigation system 3,110 2,100
Sport Chrono Package 960  
Adaptive dampers - electrical 1,990  
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,560  
Adaptive Sports Seats 3,055  
Metallic paint (extra cost) 710 550
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Floor mats 90  
Heated front seats 510  
Obstacle detection, rear 530 750
Upholstered instrument panel, leather 2,025 1,350
Heated steering wheel 210  
Bluetooth cell phone link 695  
Voice control for nav and audio 595  
Traffic information 0  
Satellite radio 750  
6-speed manual 0  
Premium Package   2,500
Sport Package   2,300
Cold Weather Package   1,000
Satellite radio - one year subscription   595
iPod integration 0 365
Navigation system 0 1,910
Sport Chrono Package 0  
Adaptive dampers - electrical 1,692  
Auto-dimming rearview mirror 587  
Xenon HID headlights 0  
Adaptive Sports Seats 2,597  
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 0 1,230
Heated steering wheel 0  
Bluetooth cell phone link 0  
Voice control for nav and audio 0  
Traffic information 0  
Satellite radio 0  
6-speed manual 0  
Premium Package   2,275
Sport Package   2,095
Cold Weather Package   910
Satellite radio - one year subscription   540
Options (change) 19,460 11,545
Options (change) 6,637 10,510
Destination 950 825
Total Price $68,010 $64,020

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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 Z4

Lowest Adjusted Price: BMW Z4 sDrive35i
Lowest Adjusted Invoice: Porsche Boxster
TrueDelta Adjusted Price Difference: $7,395
TrueDelta Adjusted Invoice Difference: $48,138
Model Year20102009
ModelBoxsterZ4
TrimBasesDrive35i
Body2dr Convertible2dr Hardtop conv.
Engine255hp H6300hp I6
TransmissionM6M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/27 MPG0/0 MPG
Audio (watts, speakers)50, 4?, 10
Tire (rear if not all the same)205/55-17225/40-18
Total Price$68,010$64,020
Adjustments for Features0-3,405
Feature-Adjusted Total Price$68,010$60,615

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Features Comparison: Porsche Boxster vs. BMW Z4

Model Year20102009
ModelBoxsterZ4
TrimBasesDrive35i
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150$150
RWD$0$0
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 
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
Telematics service, such as OnStar $200
USB port $25
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$5,590$8,895
Value of Feature Adjustments$0$3,405
Value of Feature Adjustments0-3,130

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Specifications Comparison: Porsche Boxster vs. BMW Z4

Model Year20102009
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 Weight2,943 lb.3,450 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

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 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
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Total Requested115085%
Total Not Requested20015%

Option Package Details
BMW Z4 sDrive35i

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50No
Media drive, large15Yes
SD Card slot25No
Total Requested74091%
Total Not Requested759%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
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
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
Power fore-aft adjuster, driver seat100Yes
Total Requested170081%
Total Not Requested40019%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250No
Adaptive shocks - electrical500Yes
Manual thigh support adjuster, driver seat50No
Power seatback bolsters, driver100Yes
Manual thigh support adjuster, passenger seat50No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
225/40WR18 tires200No
255/35WR18 tires200No
Raised top speed limiter0No
Total Requested80052%
Total Not Requested75048%
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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