BMW 3-Series BMW 3-Series 2018 Porsche Boxster Porsche Boxster 2016

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BMW 3-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 3-Series vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $82,895

BMW 3-Series M3   
Difference: $21,575

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182016
Model3-SeriesBoxster
TrimM3Spyder
Body4dr Sedan2dr Convertible
Base Price $65,500 $82,100
Full Merino Leather 3,600  
Metallic paint (extra cost) 550 710
Ceramic brake rotors 8,150 7,400
255/35YR19 1,200  
Aluminum trim 0 0
Wheels, dark finish 0 990
7-speed automated manual 2,900  
Sunroof 0  
Auto-dimming mirrors   690
Adaptive sport seats plus   2,635
Automatic climate control, front   760
Voice control for nav and audio   520
Interior ambient lighting   340
Heated front seats   530
Bright-finished exhaust tip(s)   650
Upholstered instrument panel, leather   2,160
6-speed manual   0
Infotainment Package   3,990
Bose 505W 10 speakers   0
Full Merino Leather 3,310  
Metallic paint (extra cost) 505 0
Ceramic brake rotors 7,500 0
255/35YR19 1,105  
Aluminum trim 0 0
Wheels, dark finish 0 0
7-speed automated manual 2,670  
Sunroof 0  
Auto-dimming mirrors   0
Adaptive sport seats plus   0
Automatic climate control, front   0
Voice control for nav and audio   0
Interior ambient lighting   0
Heated front seats   0
Bright-finished exhaust tip(s)   0
Upholstered instrument panel, leather   0
6-speed manual   0
Infotainment Package   0
Bose 505W 10 speakers   0
Options (change) 16,400 21,375
Options (change) 15,090 0
Destination 995 995
Total Price $82,895 $104,470

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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: BMW 3-Series vs. Porsche Boxster

Lowest Adjusted Price: BMW 3-Series M3
Lowest Adjusted Invoice: Porsche Boxster Spyder
TrueDelta Adjusted Price Difference: $22,335
TrueDelta Adjusted Invoice Difference: $75,973
Model Year20182016
Model3-SeriesBoxster
TrimM3Spyder
Body4dr Sedan2dr Convertible
Engine425hp I6375hp H6
TransmissionS7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)17/24 MPG18/24 MPG
Audio (watts, speakers)600, 16445, 10
Tire (rear if not all the same)255/35-19235/35-20
Total Price$82,895$104,470
Adjustments for Features-7600
Feature-Adjusted Total Price$82,135$104,470

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Features Comparison: BMW 3-Series vs. Porsche Boxster

Model Year20182016
Model3-SeriesBoxster
TrimM3Spyder
Body4dr Sedan2dr Convertible
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manual $150
RWD$0$0
Accessories 
Hands-free trunk or liftgate$100 
Power rear side windows$200 
Proximity key$250 
Remote app$25 
Remote window/roof operation$15 
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 
Rearview camera$200 
Roll bar $200
Torque vectoring, brake-based $100
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 
Automatic start / stop$150 
Dual-mode exhaust, switchable $500
Mid-engine configuration $0
Exterior 
Convertible top $3000
Rear spoiler$200 
Retractable rear spoiler $400
Sport rocker panels (optional)$0 
Sunroof$900 
Infotainment 
4G LTE connectivity$0 
Audio controls on steering wheel$125 
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
LED headlights$1000 
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
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 
Leather door panel trim$250 
Leather-wrapped steering wheel$150 
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
Synthetic suede steering wheel $150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Electronic systems calibration selector$200 
Performance steering system (optional)$0 
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$7,990$7,230
Value of Feature Adjustments$760$0
Value of Feature Adjustments-7120

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Specifications Comparison: BMW 3-Series vs. Porsche Boxster

Model Year20182016
Model3-SeriesBoxster
Body4dr Sedan2dr Convertible
Wheelbase110.6 in97.4 in
Length182.5 in172.2 in
Width71.3 in70.9 in
Height56.3 in50.5 in
Curb Weight3,630 lb.2,899 lb.
Fuel Capacity15.8 gal.16.9 gal.
Row 1 Headroom40.3 in38.6 in
Row 1 Shoulder Room55.1 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.0 in42.6 in
Row 2 Headroom37.7 in0.0 in
Row 2 Shoulder Room55.1 in0.0 in
Row 2 Legroom35.1 in0.0 in
Cargo Volume13.0 ft39.9 ft3

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Option Package Details
BMW 3-Series M3

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%

Option Package Details
Porsche Boxster Spyder

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Total Requested475100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage-900Yes
Total Requested100100%
Total Not Requested00%
Bose, 445W, 10 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 10 speakers (with subwoofer)350No
Surround sound250Yes
Total Requested25042%
Total Not Requested35058%
Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested32581%
Total Not Requested7519%
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
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
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested120071%
Total Not Requested50029%
Infotainment Package
FeatureValueRequested?
App support0Yes
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15Yes
Total Requested915100%
Total Not Requested00%

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