BMW Z4 BMW Z4 2008 Porsche Boxster Porsche Boxster 2014

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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: $57,150

BMW Z4 M Roadster   
Difference: $22,160

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082014
ModelZ4Boxster
TrimM RoadsterS
Body2dr Convertible2dr Convertible
Base Price $52,400 $62,100
Premium Package 2,950  
Metallic paint (extra cost) 475 710
Wood trim 0 1,515
Heated front seats 500  
Adaptive sport seats plus   3,825
Torque vectoring, brake-based   1,320
Adaptive dampers - electrical   1,790
Audio controls on steering wheel   615
7-speed automated manual   3,200
Premium Package Plus   3,240
Premium Package 2,685  
Metallic paint (extra cost) 430 0
Wood trim 0 0
Heated front seats 455  
Adaptive sport seats plus   0
Torque vectoring, brake-based   0
Adaptive dampers - electrical   0
Audio controls on steering wheel   0
7-speed automated manual   0
Premium Package Plus   0
Options (change) 3,925 16,215
Options (change) 3,570 0
Destination 825 995
Total Price $57,150 $79,310

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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 BMW Z4 dealer quotes or Porsche Boxster dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW Z4 vs. Porsche Boxster

Lowest Adjusted Price: BMW Z4 M Roadster
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $17,650
TrueDelta Adjusted Invoice Difference: $7,847
Model Year20082014
ModelZ4Boxster
TrimM RoadsterS
Body2dr Convertible2dr Convertible
Engine330hp I6315hp H6
TransmissionM6S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)15/22 MPG21/30 MPG
Audio (watts, speakers)430, 10185, 7
Tire (rear if not all the same)225/45-18235/40-19
Total Price$57,150$79,310
Adjustments for Features0-4,510
Feature-Adjusted Total Price$57,150$74,800

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Features Comparison: BMW Z4 vs. Porsche Boxster

Model Year20082014
ModelZ4Boxster
TrimM RoadsterS
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150 
7-speed automated manual $1200
RWD$0$0
Accessories 
Proximity key $250
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Universal garage door opener $100
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Side curtain airbags $350
Torque vectoring, brake-based $100
Cargo Management 
Cargo net $40
Climate Control 
Dual-zone climate control $125
Residual heat $50
Water-repellent front-door glass $15
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration $0
Regenerative braking $0
Exterior 
Retractable rear spoiler $400
Infotainment 
Bluetooth audio streaming $25
Surround sound$250 
Telematics service, such as OnStar$200 
Instruments, Lights, and Mirrors 
Fog light, rear $100
Fog lights$125 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Interior ambient lighting $150
Steering-linked headlights $150
Turn signals on or near mirrors$25 
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
Cooled or ventilated front seats $300
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Metal pedals $75
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger 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
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$1,120$5,630
Value of Feature Adjustments$0$4,510
Value of Feature Adjustments0-57

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Specifications Comparison: BMW Z4 vs. Porsche Boxster

Model Year20082014
ModelZ4Boxster
Body2dr Convertible2dr Convertible
Wheelbase98.2 in97.4 in
Length161.1 in172.2 in
Width70.1 in70.9 in
Height51.1 in50.5 in
Curb Weight3,197 lb.2,976 lb.
Fuel Capacity14.5 gal.16.9 gal.
Row 1 Headroom37.3 in38.6 in
Row 1 Shoulder Room52.5 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.0 in42.6 in
Cargo Volume8.5 ft39.9 ft3

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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%

Option Package Details
Porsche Boxster S

Torque vectoring / active trace control
FeatureValueRequested?
Torque vectoring / active trace control100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100No
Total Requested00%
Total Not Requested100100%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Front sport buckets100Yes
Total Requested80044%
Total Not Requested100056%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150No
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Wind blocker, small100No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Steering-linked headlights150No
Headlight washers50Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125No
Residual heat50No
Automatic air recirculation100Yes
Total Requested165049%
Total Not Requested172551%

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