Porsche Boxster Porsche Boxster 2015 BMW 3-Series BMW 3-Series 2018

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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: $86,045

BMW 3-Series M3   
Difference: $11,700

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152018
ModelBoxster3-Series
TrimGTSM3
Body2dr Convertible4dr Sedan
Base Price $73,500 $65,500
Adaptive sport seats plus 3,025  
Torque vectoring, brake-based 1,320  
Infotainment Package 3,990  
Premium Package Plus 1,965  
6-speed manual 0  
Auto-dimming headlights 520  
Heated steering wheel 270  
Audio controls on steering wheel 165  
Rearview camera 1,515  
Ceramic brake rotors 7,400 8,150
Wheels, dark finish 880 0
Voice control for nav and audio 520  
Power-folding mirrors 320  
Sport suspension (upgrade) 0  
Bright-finished exhaust tip(s) 650  
Metallic paint (extra cost) 710 550
Executive Package   4,100
Full Merino Leather   2,650
Sunroof   0
Wood trim   0
7-speed automated manual   2,900
255/35YR19   1,200
Adaptive sport seats plus 0  
Torque vectoring, brake-based 0  
Infotainment Package 0  
Premium Package Plus 0  
6-speed manual 0  
Auto-dimming headlights 0  
Heated steering wheel 0  
Audio controls on steering wheel 0  
Rearview camera 0  
Ceramic brake rotors 0 7,500
Wheels, dark finish 0 0
Voice control for nav and audio 0  
Power-folding mirrors 0  
Sport suspension (upgrade) 0  
Bright-finished exhaust tip(s) 0  
Metallic paint (extra cost) 0 505
Executive Package   3,770
Full Merino Leather   2,435
Sunroof   0
Wood trim   0
7-speed automated manual   2,670
255/35YR19   1,105
Options (change) 23,250 19,550
Options (change) 0 17,985
Destination 995 995
Total Price $97,745 $86,045

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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 3-Series

Lowest Adjusted Price: BMW 3-Series M3
Lowest Adjusted Invoice: Porsche Boxster GTS
TrueDelta Adjusted Price Difference: $12,135
TrueDelta Adjusted Invoice Difference: $79,173
Model Year20152018
ModelBoxster3-Series
TrimGTSM3
Body2dr Convertible4dr Sedan
Engine330hp H6425hp I6
TransmissionM6S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/26 MPG17/24 MPG
Audio (watts, speakers)445, 10600, 16
Tire (rear if not all the same)235/35-20255/35-19
Total Price$97,745$86,045
Adjustments for Features0-435
Feature-Adjusted Total Price$97,745$85,610

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Features Comparison: Porsche Boxster vs. BMW 3-Series

Model Year20152018
ModelBoxster3-Series
TrimGTSM3
Body2dr Convertible4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
7-speed automated manual $1200
RWD$0$0
Accessories 
Hands-free trunk or liftgate $100
Power rear side windows $200
Remote app $25
Remote window/roof operation $15
Semi-automated parking system $500
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Around view cameras $500
Rearview camera$200 
Roll bar$200 
Torque vectoring, brake-based$100 
Wide-view front camera $150
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Climate Control 
Rear air vents with manual controls $150
Water-repellent front-door glass$15 
Drivetrain 
Active rear differential $500
Electronically-variable engine mounts (performance-oriented)$500 
Limited-slip rear differential$300 
Engine / Motor 
Dual-mode exhaust, switchable$500 
Mid-engine configuration$0 
Exterior 
Power convertible top$4000 
Rear spoiler $200
Retractable rear spoiler$400 
Sport rocker panels (optional) $0
Sunroof $900
Infotainment 
4G LTE connectivity $0
DVD-Audio-compatible player$0 
DVD-compatible player $0
Handwriting recognition $200
In-vehicle Internet $150
Navigation map updates, three years $0
Off-road navigation system$0 
S Voice support $0
Satellite radio$200 
Satellite radio - one year subscription $250
Siri Eyes Free support $0
Telematics service, such as OnStar $200
Traffic + travel information $25
Traffic information$25 
Voice control for external devices $0
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Chronometer$100 
Compass $0
Fog light, rear$100 
Head-up display (HUD) $350
LED headlights $1000
Mirror tilt-down in reverse $25
Performance meter$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
Heated second row seats $200
Leather door panel trim $250
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 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 
Synthetic suede door panel trim$250 
Synthetic suede inserts in leather seating surfaces$0 
Wood trim $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Performance steering system (optional) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$8,430$8,865
Value of Feature Adjustments$0$435
Value of Feature Adjustments0-407

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Specifications Comparison: Porsche Boxster vs. BMW 3-Series

Model Year20152018
ModelBoxster3-Series
Body2dr Convertible4dr Sedan
Wheelbase97.4 in110.6 in
Length172.2 in182.5 in
Width70.9 in71.3 in
Height50.5 in56.3 in
Curb Weight2,965 lb.3,630 lb.
Fuel Capacity16.9 gal.15.8 gal.
Row 1 Headroom38.6 in40.3 in
Row 1 Shoulder Room51.7 in55.1 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom42.6 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 GTS

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Total Requested120071%
Total Not Requested50029%
Infotainment Package
FeatureValueRequested?
Surround sound250Yes
Performance meter150No
Bose, 445W, 10 speakers (with subwoofer)350No
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15Yes
App support0Yes
Total Requested116570%
Total Not Requested50030%
Premium Package Plus
FeatureValueRequested?
Proximity key250Yes
Interior ambient lighting150Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested140095%
Total Not Requested755%

Option Package Details
BMW 3-Series M3

7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100No
Launch control100No
Total Requested00%
Total Not Requested200100%
255/35YR19 tires
FeatureValueRequested?
255/35YR19 tires200No
275/35YR19 tires200No
Total Requested00%
Total Not Requested400100%
Executive Package
FeatureValueRequested?
Heated second row seats200No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Heated steering wheel100Yes
Head-up display (HUD)350No
Headlight washers50Yes
Steering-linked headlights150Yes
Auto-dimming headlights200Yes
Semi-automated parking system500No
Around view cameras300No
Wide-view front camera150No
Total Requested90038%
Total Not Requested150062%
Full Merino Leather
FeatureValueRequested?
Upgraded leather upholstery-450No
Leather upholstery, extended coverage450Yes
Leather door panel trim250Yes
Upholstered instrument panel, leather1000Yes
Total Requested1700136%
Total Not Requested-450-36%

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