Porsche Boxster Porsche Boxster 2014 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: $64,120

BMW Z4 sDrive35i   
Difference: $10,205

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142009
ModelBoxsterZ4
TrimBasesDrive35i
Body2dr Convertible2dr Hardtop conv.
Base Price $50,400 $51,650
Upholstered instrument panel, leather 2,025 1,350
Premium Package Plus 3,910  
Infotainment Package 3,990  
Adaptive sport seats plus 3,825  
Metallic paint (extra cost) 710 550
Aluminum trim 895  
Audio controls on steering wheel 615  
Obstacle detection, rear 530 750
Heated steering wheel 270  
Adaptive dampers - electrical 1,790  
Power-folding mirrors 320  
Voice control for nav and audio 520  
Obstacle detection, front 330  
7-speed automated manual 3,200  
Navigation system   2,100
Premium Package   2,500
Sport Package   2,300
Cold Weather Package   1,000
Satellite radio - one year subscription   595
Proximity key   500
Upholstered instrument panel, leather 0 1,230
Premium Package Plus 0  
Infotainment Package 0  
Adaptive sport seats plus 0  
Metallic paint (extra cost) 0 500
Aluminum trim 0  
Audio controls on steering wheel 0  
Obstacle detection, rear 451 685
Heated steering wheel 0  
Adaptive dampers - electrical 0  
Power-folding mirrors 0  
Voice control for nav and audio 0  
Obstacle detection, front 0  
7-speed automated manual 0  
Navigation system   1,910
Premium Package   2,275
Sport Package   2,095
Cold Weather Package   910
Satellite radio - one year subscription   540
Proximity key   455
Options (change) 22,930 11,645
Options (change) 451 10,600
Destination 995 825
Total Price $74,325 $64,120

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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: $10,510
TrueDelta Adjusted Invoice Difference: $57,219
Model Year20142009
ModelBoxsterZ4
TrimBasesDrive35i
Body2dr Convertible2dr Hardtop conv.
Engine265hp H6300hp I6
TransmissionS7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)22/32 MPG0/0 MPG
Audio (watts, speakers)185, 7?, 10
Tire (rear if not all the same)235/45-18225/40-18
Total Price$74,325$64,120
Adjustments for Features0-305
Feature-Adjusted Total Price$74,325$63,815

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Features Comparison: Porsche Boxster vs. BMW Z4

Model Year20142009
ModelBoxsterZ4
TrimBasesDrive35i
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manual $150
RWD$0$0
Accessories 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Side curtain airbags$350 
Tires, run-flat $150
Cargo Management 
Rear seat pass-through $100
Ski sack $50
Climate Control 
Residual heat$50 
Water-repellent front-door glass$15 
Engine / Motor 
Automatic start / stop$150 
Mid-engine configuration$0 
Raised top speed limiter $0
Regenerative braking$0 
Exterior 
Power convertible top$4000 
Power retractable hardtop $6750
Retractable rear spoiler$400 
Infotainment 
App support$0 
Bluetooth audio streaming$25 
DVD-Audio-compatible player$0 
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 
Fog light, rear$100 
Fog lights $125
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Trip computer$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 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 
Electronic systems calibration selector $200
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$8,090$8,395
Value of Feature Adjustments$0$305
Value of Feature Adjustments0-280

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Specifications Comparison: Porsche Boxster vs. BMW Z4

Model Year20142009
ModelBoxsterZ4
Body2dr Convertible2dr Hardtop conv.
Wheelbase97.4 in98.3 in
Length172.2 in166.9 in
Width70.9 in70.5 in
Height50.5 in50.8 in
Curb Weight2,954 lb.3,450 lb.
Fuel Capacity16.9 gal.14.5 gal.
Row 1 Headroom38.6 in39.1 in
Row 1 Shoulder Room51.7 in53.3 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom42.6 in42.2 in
Cargo Volume9.9 ft310.9 ft3

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Option Package Details
Porsche Boxster

Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250Yes
Interior ambient lighting150Yes
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 seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Wind blocker, small100No
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100Yes
Total Requested312581%
Total Not Requested75019%
Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
DVD-Audio-compatible player0No
HD radio50Yes
USB port25No
Unbranded, 185W, 7 speakers350No
Media drive, large15Yes
App support0No
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Total Requested89070%
Total Not Requested37530%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Front sport buckets100Yes
Total Requested130072%
Total Not Requested50028%

Option Package Details
BMW Z4 sDrive35i

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50Yes
Media drive, large15Yes
SD Card slot25No
Total Requested79097%
Total Not Requested253%
Premium Package
FeatureValueRequested?
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Interior ambient lighting150Yes
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 recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Total Requested190090%
Total Not Requested20010%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250No
Adaptive shocks - electrical500Yes
Manual thigh support adjuster, driver seat50Yes
Power seatback bolsters, driver100Yes
Manual thigh support adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
225/40WR18 tires200No
255/35WR18 tires200No
Raised top speed limiter0No
Total Requested90058%
Total Not Requested65042%
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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