BMW 3-Series BMW 3-Series 2018 Porsche Boxster Porsche Boxster 2006

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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: $0

Porsche Boxster S   
Difference: $42,245

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018201820182018201820062006
Model3-Series3-Series3-Series3-Series3-Series3-SeriesBoxsterBoxster
Trim320i328d330i330e iPerformance340iM3BaseS
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Base Price $34,900 $41,750 $40,250 $45,600 $48,950 $65,500 $0 $0
Navigation system 1,700 1,700 1,700 1,700 1,700   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          
Adaptive dampers - electrical         700   0 0
M Sport Design         0      
Wood trim           0    
Sunroof           0    
Front sport buckets             0 0
Power seatback bolsters, driver seat             0 0
Navigation system 1,565 1,565 1,565 1,565 1,565   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          
Adaptive dampers - electrical         645   0 0
M Sport Design         0      
Wood trim           0    
Sunroof           0    
Front sport buckets             0 0
Power seatback bolsters, driver seat             0 0
Options (change) 6,350 5,450 7,750 5,450 4,400 1,500 0 0
Options (change) 5,840 5,015 7,130 5,015 4,050 1,380 0 0
Destination 995 995 995 995 995 995 0 0
Gas Tax 0 0 0 -4,001 0 0 0 0
Total Price $42,245 $48,195 $48,995 $48,044 $54,345 $67,995 $0 $0

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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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Request free, no-obligation BMW 3-Series dealer quotes or Porsche Boxster dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW 3-Series vs. Porsche Boxster

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $30,100
TrueDelta Adjusted Invoice Difference: $28,337
Model Year20182018201820182018201820062006
Model3-Series3-Series3-Series3-Series3-Series3-SeriesBoxsterBoxster
Trim320i328d330i330e iPerformance340iM3BaseS
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Engine180hp I4180hp I4 D248hp I4180hp I4 PiH320hp I6425hp I6240hp H6280hp H6
TransmissionT8T8M6T8T8M6M5M6
DrivetrainRWDRWDRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9205, 9205, 9205, 9600, 16600, 1650, 4230, 7
Tire (rear if not all the same)225/45-18225/50-17225/45-18225/50-17225/45-18255/40-18205/55-17235/40-18
Total Price$42,245$48,195$48,995$48,044$54,345$67,995$0$0
Adjustments for Features-12,295-14,720-13,820-14,745-15,245-14,9200-150
Feature-Adjusted Total Price$29,950$33,475$35,175$33,299$39,100$53,075$0$-150
Cost Above Minimum$0$3,525$5,225$3,349$9,150$23,125$150$0

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Features Comparison: BMW 3-Series vs. Porsche Boxster

Model Year20182018201820182018201820062006
Model3-Series3-Series3-Series3-Series3-Series3-SeriesBoxsterBoxster
Trim320i328d330i330e iPerformance340iM3BaseS
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300 $1300$1300   
6-speed manual  $150  $150 $150
5-speed manual      $0 
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$12,795$15,220$14,320$15,245$15,745$15,420$500$650
Value of Feature Adjustments$12,295$14,720$13,820$14,745$15,245$14,920$0$150
Value of Feature Adjustments-11,633-14,086-13,043-13,841-14,377-14,03700

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Specifications Comparison: BMW 3-Series vs. Porsche Boxster

Model Year20182006
Model3-SeriesBoxster
Body4dr Sedan2dr Convertible
Wheelbase110.6 in95.1 in
Length182.5 in170.4 in
Width71.3 in70.9 in
Height56.3 in51.0 in
Curb Weight3,502 lb.2,856 lb.
Fuel Capacity15.8 gal.17.0 gal.
Row 1 Headroom40.3 in38.4 in
Row 1 Shoulder Room55.1 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.0 in41.6 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 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%

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