Porsche Boxster Porsche Boxster 2008 BMW 3-Series BMW 3-Series 2010

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Porsche Boxster vs. BMW 3-Series 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 3-Series Invoice Comparison

Lowest Total Price: $75,125

Porsche Boxster S   
Difference: $4,530

Lowest Total Invoice: $60,157

Porsche Boxster S   
Difference: $13,413

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082010
ModelBoxster3-Series
TrimSM3
Body2dr Convertible2dr Hardtop conv.
Base Price $55,700 $67,050
Base Invoice $43,512 $61,865
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Metallic paint (extra cost) 690 550
Xenon HID headlights 1,090  
Automatic climate control, front 550  
Carbon fiber / leather-wrapped steering wheel 1,360  
Obstacle detection, rear 530 380
Heated front seats 480 500
Navigation system 3,110  
Wood trim 890 0
5-speed shiftable automatic 3,210  
Premium Package   1,350
Technology Package   3,250
Rear spoiler   0
Leather door panel trim   1,100
7-speed automated manual   2,900
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Metallic paint (extra cost) 587 500
Xenon HID headlights 927  
Automatic climate control, front 468  
Carbon fiber / leather-wrapped steering wheel 1,156  
Obstacle detection, rear 451 345
Heated front seats 408 455
Navigation system 2,644  
Wood trim 757 0
5-speed shiftable automatic 2,729  
Premium Package   1,230
Technology Package   2,960
Rear spoiler   0
Leather door panel trim   1,000
7-speed automated manual   2,640
Options (change) 18,565 10,030
Options (change) 15,785 9,130
Destination 860 875
Gas Tax 0 1,700
Total Price $75,125 $79,655
Total Invoice $60,157 $73,570

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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 Porsche Boxster dealer quotes or BMW 3-Series dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Boxster vs. BMW 3-Series

Lowest Adjusted Price: BMW 3-Series M3
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $995
TrueDelta Adjusted Invoice Difference: $8,310
Model Year20082010
ModelBoxster3-Series
TrimSM3
Body2dr Convertible2dr Hardtop conv.
Engine295hp H6414hp V8
TransmissionT5S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/25 MPG14/20 MPG
Audio (watts, speakers)230, 7?, 6
Tire (rear if not all the same)235/40-18245/40-18
Total Price$75,125$79,655
Adjustments for Features0-5,525
Feature-Adjusted Total Price$75,125$74,130
Total Invoice$60,157$73,570
Adjustments for Features0-5,103
Feature-Adjusted Total Invoice$60,157$68,467

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Features Comparison: Porsche Boxster vs. BMW 3-Series

Model Year20082010
ModelBoxster3-Series
TrimSM3
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
7-speed automated manual $1200
RWD$0$0
Accessories 
Power rear side windows $200
Proximity key $250
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Brake assist $50
Roll bar$200 
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents with manual controls $150
Water-repellent front-door glass$15 
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Retractable rear spoiler$400 
Sport rocker panels (optional) $0
Infotainment 
Aux input $50
Bluetooth cell phone link $100
Media drive $15
MP3-compatible player $50
Telematics service, such as OnStar $200
Traffic information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Automatic headlights $125
Chronometer$100 
Compass $0
Fog light, rear$100 
Fog lights$125 
Headlight washers$50 
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors $25
Seats and Interior Trim 
Aluminum trim $100
Carbon fiber / leather-wrapped steering wheel$150 
Folding second row seats w/o opening to trunk $75
Leather-wrapped steering wheel $150
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Metal pedals$75 
No leather in second row$-300 
Power 4-way lumbar adjuster, passenger seat $150
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,155$11,680
Value of Feature Adjustments$0$5,525
Value of Feature Adjustments0-5,103

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Specifications Comparison: Porsche Boxster vs. BMW 3-Series

Model Year20082010
ModelBoxster3-Series
Body2dr Convertible2dr Hardtop conv.
Wheelbase95.1 in108.7 in
Length170.4 in180.6 in
Width70.9 in70.2 in
Height51.0 in54.5 in
Curb Weight3,053 lb.4,145 lb.
Fuel Capacity17.0 gal.16.1 gal.
Row 1 Headroom38.4 in38.0 in
Row 1 Shoulder Room51.7 in55.3 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in41.8 in
Row 2 Headroom0.0 in36.5 in
Row 2 Shoulder Room0.0 in49.3 in
Row 2 Legroom0.0 in31.9 in
Cargo Volume,
Minimum
9.9 ft39.0 ft3
Cargo Volume,
Maximum
9.912.2 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
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
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt 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 3-Series M3

7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100No
Launch control100No
Total Requested00%
Total Not Requested200100%
Premium Package
FeatureValueRequested?
Universal garage door opener100Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100No
Auto-dimming driver-side mirror75Yes
Compass0No
Aluminum trim100No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Total Requested25036%
Total Not Requested45064%
Technology Package
FeatureValueRequested?
Adaptive shocks - electrical500Yes
Navigation system600Yes
Proximity key250No
Voice control for nav and audio100No
Traffic information25No
Media drive, large15No
Electronic systems calibration selector200Yes
Total Requested130077%
Total Not Requested39023%

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