Porsche Boxster Porsche Boxster 2008 BMW 3-Series BMW 3-Series 2016

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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: $81,545

BMW 3-Series M3   
Difference: $370

Lowest Total Invoice: $65,929

Porsche Boxster S   
Difference: $9,676

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082016
ModelBoxster3-Series
TrimSM3
Body2dr Convertible4dr Sedan
Base Price $55,700 $63,500
Base Invoice $43,512 $59,100
Auto-dimming rearview mirror 690  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990 1,000
Adaptive Sports Seats 3,055  
Xenon HID headlights 1,090  
Metallic paint (extra cost) 690 550
Carbon fiber / leather-wrapped steering wheel 1,360  
Floor mats 115  
Automatic climate control, front 550  
Heated front seats 480  
Wood trim 890 0
Navigation system 3,110  
Obstacle detection, rear 530  
Upholstered instrument panel, leather 1,735 2,650
Ceramic brake rotors 8,150 8,150
Executive Package   3,500
255/35YR19   1,200
Sunroof   0
Auto-dimming rearview mirror 587  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692 910
Adaptive Sports Seats 2,597  
Xenon HID headlights 927  
Metallic paint (extra cost) 587 500
Carbon fiber / leather-wrapped steering wheel 1,156  
Floor mats 98  
Automatic climate control, front 468  
Heated front seats 408  
Wood trim 757 0
Navigation system 2,644  
Obstacle detection, rear 451  
Upholstered instrument panel, leather 1,475 2,410
Ceramic brake rotors 6,928 7,415
Executive Package   3,185
255/35YR19   1,090
Sunroof   0
Options (change) 25,355 17,050
Options (change) 21,557 15,510
Destination 860 995
Total Price $81,915 $81,545
Total Invoice $65,929 $75,605

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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: $2,345
TrueDelta Adjusted Invoice Difference: $7,845
Model Year20082016
ModelBoxster3-Series
TrimSM3
Body2dr Convertible4dr Sedan
Engine295hp H6425hp I6
TransmissionM6M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)230, 7600, 16
Tire (rear if not all the same)235/40-18255/35-19
Total Price$81,915$81,545
Adjustments for Features0-1,975
Feature-Adjusted Total Price$81,915$79,570
Total Invoice$65,929$75,605
Adjustments for Features0-1,831
Feature-Adjusted Total Invoice$65,929$73,774

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Features Comparison: Porsche Boxster vs. BMW 3-Series

Model Year20082016
ModelBoxster3-Series
TrimSM3
Body2dr Convertible4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150
RWD$0$0
Accessories 
Hands-free trunk or liftgate $100
Heated steering wheel $100
Power rear side windows $200
Proximity key $250
Remote app $25
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rearview camera $200
Roll bar$200 
Side curtain airbags $350
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
Residual heat $50
Water-repellent front-door glass$15 
Drivetrain 
Active rear differential $500
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration$0 
Regenerative braking $0
Exterior 
Black exterior trim (optional) $0
Painted brake calipers (optional) $0
Power convertible top$4000 
Rear spoiler $200
Retractable rear spoiler$400 
Sport rocker panels (optional) $0
Sunroof $900
Infotainment 
4G LTE connectivity $0
App support $0
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
Navigation map updates, three years $0
S Voice support $0
Satellite radio - one year subscription $250
Siri Eyes Free support $0
Surround sound $250
Telematics service, such as OnStar $200
Traffic + travel 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 
Compass $0
Cornering lights $50
Fog light, rear$100 
Fog lights$125 
Head-up display (HUD) $350
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 
Carbon fiber / leather-wrapped steering wheel$150 
Center armrest(s), second row $50
Folding second row seats $300
Heated second row seats $200
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 thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Suspension, Wheels, and Tires 
Performance steering system (optional) $0
Sport suspension (upgrade) $0
Transmission 
Downshift rev matching $50
Total Value of Features$5,255$7,230
Value of Feature Adjustments$0$1,975
Value of Feature Adjustments0-1,831

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Specifications Comparison: Porsche Boxster vs. BMW 3-Series

Model Year20082016
ModelBoxster3-Series
Body2dr Convertible4dr Sedan
Wheelbase95.1 in110.6 in
Length170.4 in182.5 in
Width70.9 in71.3 in
Height51.0 in56.3 in
Curb Weight2,856 lb.3,431 lb.
Fuel Capacity17.0 gal.15.8 gal.
Row 1 Headroom38.4 in40.3 in
Row 1 Shoulder Room51.7 in55.1 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in42.0 in
Row 2 Headroom0.0 in37.7 in
Row 2 Shoulder Room0.0 in55.1 in
Row 2 Legroom0.0 in35.1 in
Cargo Volume9.9 ft313.0 ft3

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Option Package Details
Porsche Boxster S

Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
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%

Option Package Details
BMW 3-Series M3

Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Upgraded leather upholstery-450No
Leather seating surfaces450Yes
Leather door panel trim250Yes
Total Requested1700136%
Total Not Requested-450-36%
255/35YR19 tires
FeatureValueRequested?
255/35YR19 tires200No
275/35YR19 tires200No
Total Requested00%
Total Not Requested400100%
Executive Package
FeatureValueRequested?
Heated second row seats200No
Obstacle detection, front150No
Obstacle detection, rear250Yes
Rearview camera200No
Heated steering wheel100No
Head-up display (HUD)350No
Headlight washers50Yes
Total Requested30023%
Total Not Requested100077%

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