Porsche Boxster Porsche Boxster 2008 BMW i8 BMW i8 2014

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Porsche Boxster vs. BMW i8 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 i8 Invoice Comparison

Lowest Total Price: $75,430

Porsche Boxster S   
Difference: $59,427

Lowest Total Invoice: $60,415

Porsche Boxster S   
Difference: $63,587

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082014
ModelBoxsteri8
TrimSBase
Body2dr Convertible2dr Coupe
Base Price $55,700 $135,700
Base Invoice $43,512 $125,025
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Metallic paint (extra cost) 690  
Navigation system 3,110  
Upholstered instrument panel, leather 2,095  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Obstacle detection, rear 530  
5-speed shiftable automatic 3,000  
Preferred Package Plus 4,995  
Giga World   2,000
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Metallic paint (extra cost) 587  
Navigation system 2,644  
Upholstered instrument panel, leather 1,781  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Obstacle detection, rear 451  
5-speed shiftable automatic 2,550  
Preferred Package Plus 4,246  
Giga World   1,820
Options (change) 18,870 2,000
Options (change) 16,043 1,820
Destination 860 950
Gas Tax 0 -3,793
Total Price $75,430 $134,857
Total Invoice $60,415 $124,002

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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 i8

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $57,257
TrueDelta Adjusted Invoice Difference: $61,592
Model Year20082014
ModelBoxsteri8
TrimSBase
Body2dr Convertible2dr Coupe
Engine295hp H6357hp I3 PiH
TransmissionT5T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)18/25 MPG28/29 MPG
Audio (watts, speakers)325, 11360, 11
Tire (rear if not all the same)235/40-18215/45-20
Total Price$75,430$134,857
Adjustments for Features0-2,170
Feature-Adjusted Total Price$75,430$132,687
Total Invoice$60,415$124,002
Adjustments for Features0-1,995
Feature-Adjusted Total Invoice$60,415$122,007

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Features Comparison: Porsche Boxster vs. BMW i8

Model Year20082014
ModelBoxsteri8
TrimSBase
Body2dr Convertible2dr Coupe
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Proximity key $250
Remote app $25
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, low-speed $200
Blind spot warning system $200
Brake assist $50
Driver drowsiness monitor $150
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure collision mitigation $50
Lane departure warning $200
Obstacle detection, front $150
Pedestrian detection $50
Roll bar$200 
Side curtain airbags $350
Wide-view front camera $150
Cargo Management 
Cargo net$40 
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Heated windshield washer nozzles$15 
Rear air vents with manual controls $150
Residual heat $50
Water-repellent front-door glass$15 
Engine / Motor 
3.3 kW onboard charger $0
7 kWh battery pack $0
Automatic start / stop $150
Exterior 
Bright-finished exhaust tip(s)$25 
Carbon fiber body structure $0
Power convertible top$4000 
Retractable rear spoiler$400 
Infotainment 
App support $0
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
CD changer, remote$200 
CD player$125 
Concierge Services - 3 year subscription $150
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
S Voice support $0
Satellite radio - one year subscription $250
Siri Eyes Free support $0
SMS text-to-speech reader $25
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 
Fog light, rear$100 
Fog lights$125 
Head-up display (HUD) $350
Headlight washers$50 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Xenon HID headlights$500 
Seats and Interior Trim 
Door sill trim plates$100 
Metal pedals$75 
No leather in second row$-300 
Power 4-way lumbar adjuster, driver seat$150 
Power tilt adjuster, driver seat$100 
Power tilt adjuster, passenger seat$100 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$7,270$9,440
Value of Feature Adjustments$0$2,170
Value of Feature Adjustments0-1,995

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Specifications Comparison: Porsche Boxster vs. BMW i8

Model Year20082014
ModelBoxsteri8
Body2dr Convertible2dr Coupe
Wheelbase95.1 in110.2 in
Length170.4 in184.9 in
Width70.9 in76.5 in
Height51.0 in50.8 in
Curb Weight3,053 lb.3,455 lb.
Fuel Capacity17.0 gal.11.1 gal.
Row 1 Headroom38.4 in38.7 in
Row 1 Shoulder Room51.7 in61.1 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in0.0 in
Row 2 Headroom0.0 in32.4 in
Row 2 Shoulder Room0.0 in51.5 in
Cargo Volume9.9 ft34.7 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%
Preferred Package Plus
FeatureValueRequested?
CD changer, remote200No
Xenon HID headlights500Yes
Headlight washers50No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100No
Power 4-way lumbar adjuster, driver seat150No
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
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 Requested192567%
Total Not Requested95033%

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