Porsche Boxster Porsche Boxster 2011 BMW Z4 BMW Z4 2007

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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: $58,500

BMW Z4 M Roadster   
Difference: $16,545

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112007
ModelBoxsterZ4
TrimSM Roadster
Body2dr Convertible2dr Convertible
Base Price $58,600 $52,100
Convenience Package 2,490  
Adaptive Sports Seats 3,055  
Metallic paint (extra cost) 710 475
Limited-slip rear differential 950  
Wood trim 890 0
Heated front seats 525 500
Navigation system 3,455 1,800
7-speed automated manual 3,420  
Premium Package   2,850
Convenience Package 0  
Adaptive Sports Seats 0  
Metallic paint (extra cost) 0 430
Limited-slip rear differential 0  
Wood trim 0 0
Heated front seats 0 455
Navigation system 0 1,640
7-speed automated manual 0  
Premium Package   2,595
Options (change) 15,495 5,625
Options (change) 0 5,120
Destination 950 775
Total Price $75,045 $58,500

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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 M Roadster
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $14,770
TrueDelta Adjusted Invoice Difference: $52,897
Model Year20112007
ModelBoxsterZ4
TrimSM Roadster
Body2dr Convertible2dr Convertible
Engine310hp H6330hp I6
TransmissionS7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/29 MPG16/24 MPG
Audio (watts, speakers)185, 7430, 10
Tire (rear if not all the same)235/40-18225/45-18
Total Price$75,045$58,500
Adjustments for Features-1,7750
Feature-Adjusted Total Price$73,270$58,500

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Features Comparison: Porsche Boxster vs. BMW Z4

Model Year20112007
ModelBoxsterZ4
TrimSM Roadster
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manual $150
RWD$0$0
Accessories 
Universal garage door opener$100 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Knee airbag, driver $75
Knee airbag, passenger $75
Cargo Management 
Cargo net$40 
Climate Control 
Water-repellent front-door glass$15 
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Retractable rear spoiler$400 
Infotainment 
Audio controls on steering wheel $125
Media drive$15 
Off-road navigation system$0 
Surround sound $250
Telematics service, such as OnStar $200
Instruments, Lights, and Mirrors 
Automatic headlights $125
Cornering lights$50 
Fog light, rear$100 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Steering-linked headlights$150 
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Power 4-way lumbar adjuster, driver seat$150 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$2,920$1,145
Value of Feature Adjustments$1,775$0
Value of Feature Adjustments-220

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Specifications Comparison: Porsche Boxster vs. BMW Z4

Model Year20112007
ModelBoxsterZ4
Body2dr Convertible2dr Convertible
Wheelbase95.1 in98.2 in
Length172.1 in161.1 in
Width70.9 in70.1 in
Height50.9 in51.1 in
Curb Weight3,042 lb.3,197 lb.
Fuel Capacity16.9 gal.14.5 gal.
Row 1 Headroom38.4 in37.3 in
Row 1 Shoulder Room51.7 in52.5 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in42.0 in
Cargo Volume9.9 ft38.5 ft3

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Option Package Details
Porsche Boxster S

Convenience Package
FeatureValueRequested?
Wind blocker, small100No
Headlight washers50Yes
Cornering lights50No
Automatic climate control, front200Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Total Requested115079%
Total Not Requested30021%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
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
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Total Requested80059%
Total Not Requested55041%

Option Package Details
BMW Z4 M Roadster

Premium Package
FeatureValueRequested?
Cruise control150Yes
Surround sound250No
THX-certified, 430W, 10 speakers (with subwoofer)350No
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
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 Requested145064%
Total Not Requested80036%

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