Porsche Boxster Porsche Boxster 2008 BMW Z4 BMW Z4 2012

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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: $72,445

BMW Z4 sDrive35is   
Difference: $4,290

Lowest Total Invoice: $61,526

Porsche Boxster S   
Difference: $5,304

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082012
ModelBoxsterZ4
TrimSsDrive35is
Body2dr Convertible2dr Hardtop conv.
Base Price $55,700 $64,200
Base Invoice $43,512 $59,245
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Xenon HID headlights 1,090  
Metallic paint (extra cost) 690 550
Automatic climate control, front 550  
Carbon fiber / leather-wrapped steering wheel 1,360  
Floor mats 115  
Heated front seats 480  
CD changer, remote 650 600
Obstacle detection, rear 530 750
Upholstered instrument panel, leather 1,735 1,350
Navigation system 3,110  
5-speed shiftable automatic 3,210  
Cold Weather Package   850
Navigation system   2,150
Premium Package   1,100
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Xenon HID headlights 927  
Metallic paint (extra cost) 587 500
Automatic climate control, front 468  
Carbon fiber / leather-wrapped steering wheel 1,156  
Floor mats 98  
Heated front seats 408  
CD changer, remote 553 545
Obstacle detection, rear 451 685
Upholstered instrument panel, leather 1,475 1,230
Navigation system 2,644  
5-speed shiftable automatic 2,729  
Cold Weather Package   775
Navigation system   1,955
Premium Package   1,000
Options (change) 20,175 7,350
Options (change) 17,154 6,690
Destination 860 895
Total Price $76,735 $72,445
Total Invoice $61,526 $66,830

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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 sDrive35is
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $8,835
TrueDelta Adjusted Invoice Difference: $1,111
Model Year20082012
ModelBoxsterZ4
TrimSsDrive35is
Body2dr Convertible2dr Hardtop conv.
Engine295hp H6335hp I6
TransmissionT5S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/25 MPG17/24 MPG
Audio (watts, speakers)230, 7?, 10
Tire (rear if not all the same)235/40-18225/40-18
Total Price$76,735$72,445
Adjustments for Features0-4,545
Feature-Adjusted Total Price$76,735$67,900
Total Invoice$61,526$66,830
Adjustments for Features0-4,193
Feature-Adjusted Total Invoice$61,526$62,637

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Features Comparison: Porsche Boxster vs. BMW Z4

Model Year20082012
ModelBoxsterZ4
TrimSsDrive35is
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
7-speed automated manual $1200
RWD$0$0
Accessories 
Heated steering wheel $100
Remote app $25
Brakes, Airbags, and Other Safety 
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Tires, run-flat $150
Cargo Management 
Rear seat pass-through $100
Ski sack $50
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
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 
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
HD radio $50
Media drive $15
MP3-compatible player $50
SMS text-to-speech reader $25
Telematics service, such as OnStar $200
Traffic information $25
USB port $25
Voice control for external devices $0
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Automatic headlights $125
Chronometer$100 
Fog light, rear$100 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Power-folding mirrors $50
Steering-linked headlights $150
Trip computer$150 
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim $100
Carbon fiber / leather-wrapped steering wheel$150 
Leather-wrapped steering wheel $150
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Metal pedals$75 
Power 4-way lumbar adjuster, passenger seat $150
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,290$10,835
Value of Feature Adjustments$0$4,545
Value of Feature Adjustments0-4,193

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Specifications Comparison: Porsche Boxster vs. BMW Z4

Model Year20082012
ModelBoxsterZ4
Body2dr Convertible2dr Hardtop conv.
Wheelbase95.1 in98.3 in
Length170.4 in166.9 in
Width70.9 in70.5 in
Height51.0 in50.8 in
Curb Weight3,053 lb.3,538 lb.
Fuel Capacity17.0 gal.14.5 gal.
Row 1 Headroom38.4 in39.1 in
Row 1 Shoulder Room51.7 in53.3 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in42.2 in
Cargo Volume9.9 ft310.9 ft3

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Option Package Details
Porsche Boxster S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
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 seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Total Requested115085%
Total Not Requested20015%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
BMW Z4 sDrive35is

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Heated steering wheel100No
Cargo net40Yes
Headlight washers50Yes
Total Requested29074%
Total Not Requested10026%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100No
Traffic information25No
Media drive, large15No
Telematics service, such as OnStar200No
SMS text-to-speech reader25No
Bluetooth audio streaming25No
Remote app25No
Total Requested60059%
Total Not Requested41541%
Premium Package
FeatureValueRequested?
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Interior ambient lighting150Yes
Total Requested70078%
Total Not Requested20022%

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