Porsche Boxster Porsche Boxster 2006 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: $0

Porsche Boxster S   
Difference: $42,245

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062006201820182018201820182018
ModelBoxsterBoxster3-Series3-Series3-Series3-Series3-Series3-Series
TrimBaseS320i328d330i330e iPerformance340iM3
Body2dr Convertible2dr Convertible4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $0 $0 $34,900 $41,750 $40,250 $45,600 $48,950 $65,500
Navigation system 0 0 1,700 1,700 1,700 1,700 1,700  
Adaptive dampers - electrical 0 0         700  
Power seatback bolsters, driver seat 0 0            
Front sport buckets 0 0            
Sport Plus Design     2,650          
Metallic paint (extra cost)     550 550 550 550 550 550
Leather seating surfaces     1,450 1,450 1,450 1,450 1,450 950
Convenience Tier       1,750 1,750 1,750    
Track Handling Package         2,300      
M Sport Design             0  
Wood trim               0
Sunroof               0
Navigation system 0 0 1,565 1,565 1,565 1,565 1,565  
Adaptive dampers - electrical 0 0         645  
Power seatback bolsters, driver seat 0 0            
Front sport buckets 0 0            
Sport Plus Design     2,435          
Metallic paint (extra cost)     505 505 505 505 505 505
Leather seating surfaces     1,335 1,335 1,335 1,335 1,335 875
Convenience Tier       1,610 1,610 1,610    
Track Handling Package         2,115      
M Sport Design             0  
Wood trim               0
Sunroof               0
Options (change) 0 0 6,350 5,450 7,750 5,450 4,400 1,500
Options (change) 0 0 5,840 5,015 7,130 5,015 4,050 1,380
Destination 0 0 995 995 995 995 995 995
Gas Tax 0 0 0 0 0 -4,001 0 0
Total Price $0 $0 $42,245 $48,195 $48,995 $48,044 $54,345 $67,995

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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 and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $30,100
TrueDelta Adjusted Invoice Difference: $28,337
Model Year20062006201820182018201820182018
ModelBoxsterBoxster3-Series3-Series3-Series3-Series3-Series3-Series
TrimBaseS320i328d330i330e iPerformance340iM3
Body2dr Convertible2dr Convertible4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine240hp H6280hp H6180hp I4180hp I4 D248hp I4180hp I4 PiH320hp I6425hp I6
TransmissionM5M6T8T8M6T8T8M6
DrivetrainRWDRWDRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4230, 7205, 9205, 9205, 9205, 9600, 16600, 16
Tire (rear if not all the same)205/55-17235/40-18225/45-18225/50-17225/45-18225/50-17225/45-18255/40-18
Total Price$0$0$42,245$48,195$48,995$48,044$54,345$67,995
Adjustments for Features0-150-12,295-14,720-13,820-14,745-15,245-14,920
Feature-Adjusted Total Price$0$-150$29,950$33,475$35,175$33,299$39,100$53,075
Cost Above Minimum$150$0$0$3,525$5,225$3,349$9,150$23,125

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Features Comparison: Porsche Boxster vs. BMW 3-Series

Model Year20062006201820182018201820182018
ModelBoxsterBoxster3-Series3-Series3-Series3-Series3-Series3-Series
TrimBaseS320i328d330i330e iPerformance340iM3
Body2dr Convertible2dr Convertible4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manual$0       
6-speed manual $150  $150  $150
8-speed manually-shiftable automatic  $1300$1300 $1300$1300 
RWD$0$0$0$0$0$0$0$0
Accessories 
Cruise control  $150$150$150$150$150$150
Hands-free trunk or liftgate   $100$100$100$100$100
Power front side windows  $250$250$250$250$250$250
Power locks  $275$275$275$275$275$275
Power rear side windows  $200$200$200$200$200$200
Proximity key   $250$250$250$250$250
Remote app  $25$25$25$25$25$25
Remote keyless entry  $225$225$225$225$225$225
Remote window/roof operation  $15$15$15$15$15$15
Tilt/telescoping steering wheel, manual  $250$250$250$250$250$250
Universal garage door opener  $100$100$100$100$100$100
Brakes, Airbags, and Other Safety 
4-wheel disc brakes  $150$150$150$150$150$150
Active or whiplash-reducing head restraints, front seats  $0$0$0$0$0$0
Antilock brakes (ABS)  $400$400$400$400$400$400
Brake assist  $50$50$50$50$50$50
Front side airbags  $350$350$350$350$350$350
High performance brake pads (optional)    $0   
Knee airbag, driver  $75$75$75$75$75$75
Knee airbag, passenger  $75$75$75$75$75$75
Rearview camera  $200$200$200$200$200$200
Side curtain airbags  $350$350$350$350$350$350
Stability control  $400$400$400$400$400$400
Tire-pressure monitor  $75$75$75$75$75$75
Tires, run-flat  $150$150 $150$150 
Traction control  $100$100$100$100$100$100
Cargo Management 
Air-conditioned storage compartment  $50$50$50$50$50$50
Console with shifter  $150$150$150$150$150$150
Climate Control 
Air conditioning  $900$900$900$900$900$900
Automatic climate control, front  $200$200$200$200$200$200
Dual-zone climate control  $125$125$125$125$125$125
Heated windshield washer nozzles  $15$15$15$15$15$15
Interior air filter  $0$0$0$0$0$0
Rain-sensing wipers  $175$175$175$175$175$175
Rear air vents with manual controls  $150$150$150$150$150$150
Rear defrost  $200$200$200$200$200$200
Residual heat  $50$50$50$50$50$50
Drivetrain 
Active rear differential       $500
Engine / Motor 
3.5 kW onboard charger     $0  
8 kWh battery pack     $0  
Automatic start / stop  $150$150$150$150$150$150
Mid-engine configuration$0$0      
Raised top speed limiter    $0   
Regenerative braking  $0$0$0 $0$0
Exterior 
Black exterior trim (optional)  $0   $0$0
Bright-finished exhaust tip(s)  $25    $25
Painted brake calipers (optional)    $0  $0
Rear spoiler       $200
Sport rocker panels (optional)      $0$0
Sunroof   $900$900$900$900$900
Infotainment 
4G LTE connectivity  $0$0$0$0$0$0
App support  $0$0$0$0$0$0
Audio controls on steering wheel  $125$125$125$125$125$125
Aux input  $50$50$50$50$50$50
Bluetooth audio streaming  $25$25$25$25$25$25
Bluetooth cell phone link  $100$100$100$100$100$100
CD player  $125$125$125$125$125$125
DVD-compatible player  $0$0$0$0$0$0
Handwriting recognition  $200$200$200$200$200$200
HD radio  $50$50$50$50$50$50
In-vehicle Internet  $150$150$150$150$150$150
Media drive  $15$15$15$15$15$15
MP3-compatible player  $50$50$50$50$50$50
Navigation map updates, three years  $0$0$0$0$0$0
S Voice support  $0$0$0$0$0$0
Satellite radio   $200$200$200$200$200
Siri Eyes Free support  $0$0$0$0$0$0
Surround sound      $250$250
Telematics service, such as OnStar  $200$200$200$200$200$200
Traffic + travel information  $25$25$25$25$25$25
Voice control for external devices  $0$0$0$0$0$0
Voice control for nav and audio  $100$100$100$100$100$100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75$75$75$75$75$75
Auto-dimming rearview mirror  $150$150$150$150$150$150
Automatic headlights  $125$125$125$125$125$125
Compass  $0$0$0$0$0$0
Fog lights  $125$125$125$125  
Heated mirrors  $25$25$25$25$25$25
Illuminated visor mirror, driver  $50$50$50$50$50$50
Illuminated visor mirror, passenger  $50$50$50$50$50$50
Large energy flow and fuel economy display     $25  
LED headlights  $1000$1000$1000$1000$1000$1000
Mirror tilt-down in reverse  $25$25$25$25$25$25
Outside temperature display  $50$50$50$50$50$50
Power mirrors  $150$150$150$150$150$150
Power-folding mirrors  $50$50$50$50$50$50
Tachometer  $75$75$75$75$75$75
Trip computer  $150$150$150$150$150$150
Turn signals on or near mirrors  $25$25$25$25$25$25
Seats and Interior Trim 
Center armrest(s), front row  $75$75$75$75$75$75
Center armrest(s), second row  $50$50$50$50$50$50
Floor mats  $75$75$75$75$75$75
Folding second row seats   $300$300$300$300$300
Heated front seats       $200
Leather-wrapped steering wheel  $150$150$150$150$150$150
Manual thigh support length adjuster, driver seat  $50$50$50$50$50$50
Manual thigh support length adjuster, passenger seat  $50$50$50$50$50$50
Memory system, driver seat  $200$200$200$200$200$200
Power 4-way lumbar adjuster, driver seat   $150$150$150$150$150
Power 4-way lumbar adjuster, passenger seat   $150$150$150$150$150
Power fore-aft adjuster, driver seat  $100$100$100$100$100$100
Power fore-aft adjuster, passenger seat  $100$100$100$100$100$100
Power height adjuster, driver seat  $100$100$100$100$100$100
Power height adjuster, passenger seat  $100$100$100$100$100$100
Power recliner, driver seat  $100$100$100$100$100$100
Power recliner, passenger seat  $100$100$100$100$100$100
Power seatback bolsters, passenger seat  $100$100$100$100$100$100
Power tilt adjuster, driver seat  $100$100$100$100$100$100
Power tilt adjuster, passenger seat  $100$100$100$100$100$100
Wood trim   $300$300$300$300$300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500  $500 $500$500
Alloy wheels  $350$350$350$350$350$350
Electronic systems calibration selector  $200$200$200$200$200$200
Performance steering system (optional)       $0
Sport suspension (upgrade)  $0 $0 $0$0
Transmission 
Downshift rev matching       $50
Steering-wheel-mounted transmission controls   $100 $100  
Total Value of Features$500$650$12,795$15,220$14,320$15,245$15,745$15,420
Value of Feature Adjustments$0$150$12,295$14,720$13,820$14,745$15,245$14,920
Value of Feature Adjustments00-11,633-14,086-13,043-13,841-14,377-14,037

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Specifications Comparison: Porsche Boxster vs. BMW 3-Series

Model Year20062018
ModelBoxster3-Series
Body2dr Convertible4dr Sedan
Wheelbase95.1 in110.6 in
Length170.4 in182.5 in
Width70.9 in71.3 in
Height51.0 in56.3 in
Curb Weight2,856 lb.3,502 lb.
Fuel Capacity17.0 gal.15.8 gal.
Row 1 Headroom38.4 in40.3 in
Row 1 Shoulder Room51.7 in55.1 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 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
BMW 3-Series 320i

Navigation system
FeatureValueRequested?
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25No
Remote app25No
Total Requested60054%
Total Not Requested51546%
Sport Plus Design
FeatureValueRequested?
Sport suspension (upgrade)250No
Dark-colored headliner (optional)0No
225/45VR18 tires400No
Manual thigh support length adjuster, driver seat50No
Power seatback bolsters, driver seat100Yes
Manual thigh support length adjuster, passenger seat50No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Universal garage door opener100No
Auto-dimming rearview mirror150No
Auto-dimming driver-side mirror75No
Compass0No
Power-folding mirrors50No
Power fore-aft adjuster, driver seat100No
Power height adjuster, driver seat50No
Power tilt adjuster, driver seat50No
Power recliner, driver seat100No
Power recliner, passenger seat100No
Power fore-aft adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat50No
Total Requested2009%
Total Not Requested202591%

Option Package Details
BMW 3-Series 328d

Navigation system
FeatureValueRequested?
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25No
Remote app25No
Total Requested60054%
Total Not Requested51546%
Convenience Tier
FeatureValueRequested?
Sunroof900No
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested00%
Total Not Requested1800100%

Option Package Details
BMW 3-Series 330i

Navigation system
FeatureValueRequested?
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25No
Remote app25No
Total Requested60054%
Total Not Requested51546%
Convenience Tier
FeatureValueRequested?
Sunroof900No
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested00%
Total Not Requested1800100%
Track Handling Package
FeatureValueRequested?
Sport suspension (upgrade)250No
Adaptive dampers - electrical500Yes
Performance braking system (optional)250No
Painted brake calipers (optional)0No
High performance brake pads (optional)0No
Variable steering ratio (optional)0No
Raised top speed limiter0No
255/40YR18 tires200No
225/45YR18 tires200No
Total Requested50036%
Total Not Requested90064%

Option Package Details
BMW 3-Series 330e iPerformance

Navigation system
FeatureValueRequested?
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25No
Remote app25No
Total Requested60054%
Total Not Requested51546%
Convenience Tier
FeatureValueRequested?
Sunroof900No
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested00%
Total Not Requested1800100%

Option Package Details
BMW 3-Series 340i

Navigation system
FeatureValueRequested?
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25No
Remote app25No
Total Requested60054%
Total Not Requested51546%
M Sport Design
FeatureValueRequested?
Sport suspension (upgrade)250No
Sport front fascia (optional)0No
Sport rocker panels (optional)0No
Black exterior trim (optional)0No
225/45VR18 tires400No
Total Requested00%
Total Not Requested650100%

Option Package Details
BMW 3-Series M3

Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces450Yes
Upgraded leather upholstery-450No
Total Requested4500%
Total Not Requested-450100%

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