BMW 6-Series BMW 6-Series 2008 Porsche Boxster Porsche Boxster 2007
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BMW 6-Series vs. Porsche Boxster 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.

BMW 6-Series vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $74,375

Porsche Boxster S   
Difference: $35,850

Lowest Total Invoice: $64,582

Porsche Boxster S   
Difference: $37,308

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082007
Model6-SeriesBoxster
TrimM6S
Body2dr Convertible2dr Convertible
Base Price $106,100 $55,500
Base Invoice $97,790 $48,415
Carbon fiber trim 300 890
Sport Chrono Package   920
Adaptive dampers - electrical   1,990
Adaptive Sports Seats   3,055
Preferred Package S   2,190
Xenon HID headlights   1,090
Obstacle detection, rear   530
Automatic climate control, front   550
Audio controls on steering wheel   990
Navigation system   3,070
5-speed shiftable automatic   2,805
Carbon fiber trim 275 757
Sport Chrono Package   782
Adaptive dampers - electrical   1,692
Adaptive Sports Seats   2,597
Preferred Package S   1,862
Xenon HID headlights   927
Obstacle detection, rear   451
Automatic climate control, front   468
Audio controls on steering wheel   842
Navigation system   2,610
5-speed shiftable automatic   2,384
Options (change) 300 18,080
Options (change) 275 15,372
Destination 825 795
Gas Tax 3,000 0
Total Price $110,225 $74,375
Total Invoice $101,890 $64,582

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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 BMW 6-Series dealer quotes or Porsche Boxster dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $32,500
TrueDelta Adjusted Invoice Difference: $34,211
Model Year20082007
Model6-SeriesBoxster
TrimM6S
Body2dr Convertible2dr Convertible
Engine500hp V10295hp H6
TransmissionS7T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)11/17 MPG20/27 MPG
Audio (watts, speakers)315, 13325, 11
Tire (rear if not all the same)255/40-19235/40-18
Total Price$110,225$74,375
Adjustments for Features-3,3500
Feature-Adjusted Total Price$106,875$74,375
Total Invoice$101,890$64,582
Adjustments for Features-3,0970
Feature-Adjusted Total Invoice$98,793$64,582

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Features Comparison: BMW 6-Series vs. Porsche Boxster

Model Year20082007
Model6-SeriesBoxster
TrimM6S
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed automated manual$1200 
5-speed manually-shiftable automatic $1000
RWD$0$0
Accessories 
Power rear side windows$200 
Power retractable rear window$350 
Remote window/roof operation$15 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500 
Brake assist$50 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Roll bar $200
Cargo Management 
Cargo mat$40 
Cargo net $40
Rear seat pass-through$100 
Ski sack$50 
Climate Control 
Dual-zone climate control$125 
Residual heat$50 
Water-repellent front-door glass $15
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
Mid-engine configuration $0
Exterior 
Retractable rear spoiler $400
Infotainment 
Aux input$50 
Bluetooth cell phone link$100 
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
Fog light, rear $100
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Steering-linked headlights$150 
Seats and Interior Trim 
Aluminum trim$100 
Illuminated door sill trim plates$200 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Power 4-way lumbar adjuster, passenger seat$150 
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Suspension, Wheels, and Tires 
Active stabilizer bars$500 
Ultra-sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$5,655$2,305
Value of Feature Adjustments$3,350$0
Value of Feature Adjustments-3,0970

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See a complete comparison of BMW 6-Series vs. Porsche Boxster features.

Specifications Comparison: BMW 6-Series vs. Porsche Boxster

Model Year20082007
Model6-SeriesBoxster
Body2dr Convertible2dr Convertible
Wheelbase109.4 in95.1 in
Length190.2 in170.4 in
Width73.0 in70.9 in
Height54.1 in51.0 in
Curb Weight4,372 lb.3,053 lb.
Fuel Capacity18.5 gal.17.0 gal.
Row 1 Headroom37.8 in38.4 in
Row 1 Shoulder Room56.4 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.0 in41.6 in
Row 2 Headroom36.5 in0.0 in
Row 2 Shoulder Room49.4 in0.0 in
Row 2 Legroom28.8 in0.0 in
Cargo Volume10.6 ft39.9 ft3

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See a complete comparison of BMW 6-Series vs. Porsche Boxster specs.

Option Package Details
Porsche Boxster S

Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
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 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
Memory system, driver seat200Yes
Total Requested115085%
Total Not Requested20015%
Preferred Package S
FeatureValueRequested?
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Floor mats75Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested92573%
Total Not Requested35027%

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