Porsche Boxster Porsche Boxster 2007 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: $12,050

Lowest Total Invoice: $53,825

BMW Z4 M Roadster   
Difference: $7,504

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072007
ModelBoxsterZ4
TrimSM Roadster
Body2dr Convertible2dr Convertible
Base Price $55,500 $52,100
Base Invoice $48,415 $47,930
Front sport buckets 760  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Navigation system 3,070 1,800
Wood trim 890 0
5-speed shiftable automatic 3,000  
Preferred Package Plus S 4,995  
Premium Package   2,850
Heated front seats   500
Metallic paint (extra cost)   475
Front sport buckets 646  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Navigation system 2,610 1,640
Wood trim 757 0
5-speed shiftable automatic 2,550  
Preferred Package Plus S 4,246  
Premium Package   2,595
Heated front seats   455
Metallic paint (extra cost)   430
Options (change) 14,255 5,625
Options (change) 12,119 5,120
Destination 795 775
Total Price $70,550 $58,500
Total Invoice $61,329 $53,825

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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 and Invoice: BMW Z4 M Roadster
TrueDelta Adjusted Price Difference: $11,265
TrueDelta Adjusted Invoice Difference: $6,822
Model Year20072007
ModelBoxsterZ4
TrimSM Roadster
Body2dr Convertible2dr Convertible
Engine295hp H6330hp I6
TransmissionT5M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/27 MPG16/24 MPG
Audio (watts, speakers)325, 11430, 10
Tire (rear if not all the same)235/40-18225/45-18
Total Price$70,550$58,500
Adjustments for Features-7850
Feature-Adjusted Total Price$69,765$58,500
Total Invoice$61,329$53,825
Adjustments for Features-6820
Feature-Adjusted Total Invoice$60,647$53,825

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Features Comparison: Porsche Boxster vs. BMW Z4

Model Year20072007
ModelBoxsterZ4
TrimSM Roadster
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed manual $150
RWD$0$0
Accessories 
Universal garage door opener$100 
Brakes, Airbags, and Other Safety 
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Cargo Management 
Cargo net$40 
Climate Control 
Water-repellent front-door glass$15 
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Retractable rear spoiler$400 
Infotainment 
Aux input $50
Bluetooth cell phone link $100
CD changer, remote$200 
MP3-compatible player $50
Telematics service, such as OnStar $200
Instruments, Lights, and Mirrors 
Automatic headlights $125
Fog light, rear$100 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
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 
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Total Value of Features$2,105$1,320
Value of Feature Adjustments$785$0
Value of Feature Adjustments-6820

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Specifications Comparison: Porsche Boxster vs. BMW Z4

Model Year20072007
ModelBoxsterZ4
Body2dr Convertible2dr Convertible
Wheelbase95.1 in98.2 in
Length170.4 in161.1 in
Width70.9 in70.1 in
Height51.0 in51.1 in
Curb Weight3,053 lb.3,197 lb.
Fuel Capacity17.0 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

Preferred Package Plus S
FeatureValueRequested?
CD changer, remote200No
Xenon HID headlights500Yes
Headlight washers50Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
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
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Floor mats75Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested217576%
Total Not Requested70024%

Option Package Details
BMW Z4 M Roadster

Premium Package
FeatureValueRequested?
Cruise control150Yes
Surround sound250Yes
THX-certified, 430W, 10 speakers (with subwoofer)350No
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100No
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 Requested160071%
Total Not Requested65029%

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