Porsche Boxster Porsche Boxster 2008 BMW 5-Series BMW 5-Series 2018

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Porsche Boxster vs. BMW 5-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 5-Series Invoice Comparison

Lowest Total Price: $84,295

Porsche Boxster S   
Difference: $32,300

Lowest Total Invoice: $67,953

Porsche Boxster S   
Difference: $41,147

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082018
ModelBoxster5-Series
TrimSM5
Body2dr Convertible4dr Sedan
Base Price $55,700 $102,600
Base Invoice $43,512 $96,100
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Metallic paint (extra cost) 690  
Wood trim 890 0
Floor mats 115  
Voice recorder 650  
Navigation system 3,110  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Heated front seats 480  
Obstacle detection, rear 530  
Upholstered instrument panel, leather 1,735 3,500
Dual-mode exhaust, switchable 2,100  
Ceramic brake rotors 8,150 8,500
Xenon HID headlights 1,090  
Sunroof   0
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Metallic paint (extra cost) 587  
Wood trim 757 0
Floor mats 98  
Voice recorder 553  
Navigation system 2,644  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Heated front seats 408  
Obstacle detection, rear 451  
Upholstered instrument panel, leather 1,475 3,185
Dual-mode exhaust, switchable 1,785  
Ceramic brake rotors 6,928 7,820
Xenon HID headlights 927  
Sunroof   0
Options (change) 27,735 12,000
Options (change) 23,581 11,005
Destination 860 995
Gas Tax 0 1,000
Total Price $84,295 $116,595
Total Invoice $67,953 $109,100

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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 5-Series

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $24,125
TrueDelta Adjusted Invoice Difference: $33,498
Model Year20082018
ModelBoxster5-Series
TrimSM5
Body2dr Convertible4dr Sedan
Engine295hp H6600hp V8
TransmissionM6T8
DrivetrainRWD4WD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)230, 7600, 16
Tire (rear if not all the same)235/40-18275/40-19
Total Price$84,295$116,595
Adjustments for Features0-8,175
Feature-Adjusted Total Price$84,295$108,420
Total Invoice$67,953$109,100
Adjustments for Features0-7,649
Feature-Adjusted Total Invoice$67,953$101,451

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Features Comparison: Porsche Boxster vs. BMW 5-Series

Model Year20082018
ModelBoxster5-Series
TrimSM5
Body2dr Convertible4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
8-speed manually-shiftable automatic $1300
RWD$0 
4WD $1700
Accessories 
Hands-free trunk or liftgate $100
Heated steering wheel $100
Power rear side windows $200
Power trunk closer $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
Brake assist $50
Brake- or yaw-sensor-initiated collision preparation system $0
Driver drowsiness monitor $150
Hill descent control $250
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rearview camera $200
Roll bar$200 
Rollover sensor $50
Side curtain airbags $350
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Rear seat pass-through $100
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents $100
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
Body kit $0
Bright-finished exhaust tip(s)$25 
Painted brake calipers (optional) $0
Power convertible top$4000 
Rear spoiler $200
Retractable rear spoiler$400 
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
Gesture control system $100
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
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 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Automatic headlights $125
Chronometer$100 
Cornering lights $50
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
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row $50
Folding second row seats $300
Memory system, passenger seat $150
No leather in second row$-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 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
Synthetic suede headliner $650
Suspension, Wheels, and Tires 
Additional powertrain and chassis calibration options $0
Performance steering system (optional) $0
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$5,880$14,055
Value of Feature Adjustments$0$8,175
Value of Feature Adjustments0-7,649

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Specifications Comparison: Porsche Boxster vs. BMW 5-Series

Model Year20082018
ModelBoxster5-Series
Body2dr Convertible4dr Sedan
Wheelbase95.1 in117.1 in
Length170.4 in194.6 in
Width70.9 in73.5 in
Height51.0 in58.2 in
Curb Weight2,856 lb.3,747 lb.
Fuel Capacity17.0 gal.18.0 gal.
Row 1 Headroom38.4 in38.8 in
Row 1 Shoulder Room51.7 in58.7 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in41.4 in
Row 2 Headroom0.0 in37.5 in
Row 2 Shoulder Room0.0 in55.9 in
Row 2 Legroom0.0 in36.5 in
Cargo Volume9.9 ft318.7 ft3

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Option Package Details
Porsche Boxster S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
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
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Total Requested1350100%
Total Not Requested00%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

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