BMW Z4 BMW Z4 2008 Porsche Boxster Porsche Boxster 2007

We are 103,000+ car owners sharing real-world car information.

Join Us

BMW Z4 vs. Porsche Boxster 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.

BMW Z4 vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $58,950

BMW Z4 M Roadster   
Difference: $11,600

Lowest Total Invoice: $10,425

BMW Z4 M Roadster   
Difference: $50,904

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082007
ModelZ4Boxster
TrimM RoadsterS
Body2dr Convertible2dr Convertible
Base Price $52,400 $55,500
Base Invoice $4,390 $48,415
Premium Package 2,950  
Navigation system 1,800 3,070
Wood trim 0 890
Heated front seats 500  
Metallic paint (extra cost) 475  
Automatic climate control, front   550
Front sport buckets   760
Audio controls on steering wheel   990
5-speed shiftable automatic   3,000
Preferred Package Plus S   4,995
Premium Package 2,685  
Navigation system 1,640 2,610
Wood trim 0 757
Heated front seats 455  
Metallic paint (extra cost) 430  
Automatic climate control, front   468
Front sport buckets   646
Audio controls on steering wheel   842
5-speed shiftable automatic   2,550
Preferred Package Plus S   4,246
Options (change) 5,725 14,255
Options (change) 5,210 12,119
Destination 825 795
Total Price $58,950 $70,550
Total Invoice $10,425 $61,329

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

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

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: BMW Z4 vs. Porsche Boxster

Lowest Adjusted Price and Invoice: BMW Z4 M Roadster
TrueDelta Adjusted Price Difference: $10,815
TrueDelta Adjusted Invoice Difference: $50,222
Model Year20082007
ModelZ4Boxster
TrimM RoadsterS
Body2dr Convertible2dr Convertible
Engine330hp I6295hp H6
TransmissionM6T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)15/22 MPG20/27 MPG
Audio (watts, speakers)430, 10325, 11
Tire (rear if not all the same)225/45-18235/40-18
Total Price$58,950$70,550
Adjustments for Features0-785
Feature-Adjusted Total Price$58,950$69,765
Total Invoice$10,425$61,329
Adjustments for Features0-682
Feature-Adjusted Total Invoice$10,425$60,647

Return to top

Features Comparison: BMW Z4 vs. Porsche Boxster

Model Year20082007
ModelZ4Boxster
TrimM RoadsterS
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150 
5-speed manually-shiftable automatic $1000
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$1,320$2,105
Value of Feature Adjustments$0$785
Value of Feature Adjustments0-682

Return to top

Specifications Comparison: BMW Z4 vs. Porsche Boxster

Model Year20082007
ModelZ4Boxster
Body2dr Convertible2dr Convertible
Wheelbase98.2 in95.1 in
Length161.1 in170.4 in
Width70.1 in70.9 in
Height51.1 in51.0 in
Curb Weight3,197 lb.3,053 lb.
Fuel Capacity14.5 gal.17.0 gal.
Row 1 Headroom37.3 in38.4 in
Row 1 Shoulder Room52.5 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.0 in41.6 in
Cargo Volume8.5 ft39.9 ft3

Return to top

Option Package Details
BMW Z4 M Roadster

Premium Package
FeatureValueRequested?
Cruise control150Yes
Surround sound250Yes
THX-certified, 430W, 10 speakers (with subwoofer)350No
Telematics service, such as OnStar200No
Bluetooth cell phone link100No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
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
Power height adjuster, driver seat50Yes
Total Requested160071%
Total Not Requested65029%

Option Package Details
Porsche Boxster S

Preferred Package Plus S
FeatureValueRequested?
CD changer, remote200No
Xenon HID headlights500Yes
Headlight washers50Yes
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
Power 4-way lumbar adjuster, driver seat150No
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Floor mats75Yes
Total Requested217576%
Total Not Requested70024%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Hatchbacks and Convertibles.
See TrueDelta's information for all BMW models.