Porsche Boxster Porsche Boxster 2008 BMW 6-Series BMW 6-Series 2014

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Porsche Boxster vs. BMW 6-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 6-Series Invoice Comparison

Lowest Total Price: $82,270

Porsche Boxster S   
Difference: $51,505

Lowest Total Invoice: $66,231

Porsche Boxster S   
Difference: $57,064

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082014
ModelBoxster6-Series
TrimSM6
Body2dr Convertible2dr Convertible
Base Price $55,700 $117,500
Base Invoice $43,512 $108,280
Auto-dimming rearview mirror 690  
Adaptive Sports Seats 3,055  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Xenon HID headlights 1,090  
Metallic paint (extra cost) 690  
Wood trim 890 0
Obstacle detection, rear 530  
Navigation system 3,110  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Floor mats 115  
Heated front seats 480  
Upholstered instrument panel, leather 1,735 3,500
Illuminated door sill trim plates 725  
Ceramic brake rotors 8,150 9,250
265/35YR20   1,300
Auto-dimming rearview mirror 587  
Adaptive Sports Seats 2,597  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Xenon HID headlights 927  
Metallic paint (extra cost) 587  
Wood trim 757 0
Obstacle detection, rear 451  
Navigation system 2,644  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Floor mats 98  
Heated front seats 408  
Upholstered instrument panel, leather 1,475 3,185
Illuminated door sill trim plates 616  
Ceramic brake rotors 6,928 8,420
265/35YR20   1,185
Options (change) 25,710 14,050
Options (change) 21,859 12,790
Destination 860 925
Gas Tax 0 1,300
Total Price $82,270 $133,775
Total Invoice $66,231 $123,295

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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 6-Series dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Boxster vs. BMW 6-Series

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $45,015
TrueDelta Adjusted Invoice Difference: $51,082
Model Year20082014
ModelBoxster6-Series
TrimSM6
Body2dr Convertible2dr Convertible
Engine295hp H6560hp V8
TransmissionM6S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)230, 7500, 12
Tire (rear if not all the same)235/40-18265/35-20
Total Price$82,270$133,775
Adjustments for Features0-6,490
Feature-Adjusted Total Price$82,270$127,285
Total Invoice$66,231$123,295
Adjustments for Features0-5,982
Feature-Adjusted Total Invoice$66,231$117,313

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Features Comparison: Porsche Boxster vs. BMW 6-Series

Model Year20082014
ModelBoxster6-Series
TrimSM6
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150 
7-speed automated manual $1200
RWD$0$0
Accessories 
Power door closers $300
Power rear side windows $200
Power retractable rear window $350
Proximity key $250
Remote app $25
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rearview camera $200
Roll bar$200 
Cargo Management 
Cargo mat $40
Cargo net$40 
Rear seat pass-through $100
Ski sack $50
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
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 
Painted brake calipers (optional) $0
Retractable rear spoiler$400 
Infotainment 
App support $0
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
Concierge Services - 3 year subscription $150
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
S Voice support $0
Satellite radio - one year subscription $250
Siri Eyes Free support $0
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar $200
Text dictation $50
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 
Cornering lights $50
Fog light, rear$100 
Fog lights$125 
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 
Center armrest(s), second row $50
Memory system, passenger seat $150
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 
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Power upper seatback recliner, driver seat $100
Power upper seatback recliner, 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$1,355$7,845
Value of Feature Adjustments$0$6,490
Value of Feature Adjustments0-5,982

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Specifications Comparison: Porsche Boxster vs. BMW 6-Series

Model Year20082014
ModelBoxster6-Series
Body2dr Convertible2dr Convertible
Wheelbase95.1 in112.4 in
Length170.4 in192.8 in
Width70.9 in74.6 in
Height51.0 in53.7 in
Curb Weight2,856 lb.4,256 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.4 in40.3 in
Row 1 Shoulder Room51.7 in56.9 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in42.1 in
Row 2 Headroom0.0 in36.5 in
Row 2 Shoulder Room0.0 in49.6 in
Row 2 Legroom0.0 in30.5 in
Cargo Volume9.9 ft310.6 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 6-Series M6

265/35YR20 tires
FeatureValueRequested?
265/35YR20 tires200No
295/30YR20 tires200No
Total Requested00%
Total Not Requested400100%

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