BMW 1-Series BMW 1-Series 2009 Porsche Boxster Porsche Boxster 2008

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BMW 1-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 1-Series vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $48,900

BMW 1-Series 135i   
Difference: $10,320

Lowest Total Invoice: $45,155

BMW 1-Series 135i   
Difference: $6,308

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092008
Model1-SeriesBoxster
Trim135iBase
Body2dr Convertible2dr Convertible
Base Price $40,150 $45,800
Base Invoice $37,120 $39,923
Premium Package 3,400  
Sport Package 1,100  
6-speed manual 0  
Metallic paint (extra cost) 475 690
Heated front seats 500 480
Obstacle detection, rear 350 530
Navigation system 2,100 3,110
Adaptive Sports Seats   3,055
Auto-dimming rearview mirror   690
Xenon HID headlights   1,090
Floor mats   115
Automatic climate control, front   550
Wood trim   890
Carbon fiber / leather-wrapped steering wheel   1,360
Premium Package 3,095  
Sport Package 1,000  
6-speed manual 0  
Metallic paint (extra cost) 430 587
Heated front seats 455 408
Obstacle detection, rear 320 451
Navigation system 1,910 2,644
Adaptive Sports Seats   2,597
Auto-dimming rearview mirror   587
Xenon HID headlights   927
Floor mats   98
Automatic climate control, front   468
Wood trim   757
Carbon fiber / leather-wrapped steering wheel   1,156
Options (change) 7,925 12,560
Options (change) 7,210 10,680
Destination 825 860
Total Price $48,900 $59,220
Total Invoice $45,155 $51,463

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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 1-Series vs. Porsche Boxster

Lowest Adjusted Price and Invoice: BMW 1-Series 135i
TrueDelta Adjusted Price Difference: $12,095
TrueDelta Adjusted Invoice Difference: $7,947
Model Year20092008
Model1-SeriesBoxster
Trim135iBase
Body2dr Convertible2dr Convertible
Engine300hp I6245hp H6
TransmissionM6M5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)17/25 MPG20/29 MPG
Audio (watts, speakers)?, 1050, 4
Tire (rear if not all the same)215/40-18205/55-17
Total Price$48,900$59,220
Adjustments for Features-1,7750
Feature-Adjusted Total Price$47,125$59,220
Total Invoice$45,155$51,463
Adjustments for Features-1,6390
Feature-Adjusted Total Invoice$43,516$51,463

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Features Comparison: BMW 1-Series vs. Porsche Boxster

Model Year20092008
Model1-SeriesBoxster
Trim135iBase
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150 
5-speed manual $0
RWD$0$0
Accessories 
Power rear side windows$200 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Auto-raising roll bars / headrests$500 
Brake assist$50 
Roll bar $200
Tires, run-flat$150 
Cargo Management 
Cargo net $40
Climate Control 
Automatic air recirculation$100 
Dual-zone climate control$125 
Residual heat$50 
Water-repellent front-door glass $15
Engine / Motor 
Mid-engine configuration $0
Exterior 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
Aux input$50 
Bluetooth cell phone link$100 
Media drive$15 
MP3-compatible player$50 
Telematics service, such as OnStar$200 
Traffic information$25 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Automatic headlights$125 
Compass$0 
Cornering lights$50 
Fog light, rear $100
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Steering-linked headlights$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel $150
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 4-way lumbar adjuster, passenger seat$150 
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Total Value of Features$2,905$1,130
Value of Feature Adjustments$1,775$0
Value of Feature Adjustments-1,6390

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Specifications Comparison: BMW 1-Series vs. Porsche Boxster

Model Year20092008
Model1-SeriesBoxster
Body2dr Convertible2dr Convertible
Wheelbase104.7 in95.1 in
Length172.2 in170.4 in
Width68.8 in70.9 in
Height55.6 in51.0 in
Curb Weight3,614 lb.2,855 lb.
Fuel Capacity14.0 gal.17.0 gal.
Row 1 Headroom38.6 in38.4 in
Row 1 Shoulder Room54.0 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom41.4 in41.6 in
Row 2 Headroom37.0 in0.0 in
Row 2 Shoulder Room42.2 in0.0 in
Row 2 Legroom32.0 in0.0 in
Cargo Volume8.5 ft39.9 ft3

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Option Package Details
BMW 1-Series 135i

Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Illuminated visor mirror, driver40Yes
Illuminated visor mirror, passenger40Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100No
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Interior ambient lighting150Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat100Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat50Yes
Total Requested258084%
Total Not Requested50016%
Sport Package
FeatureValueRequested?
Manual thigh support adjuster, driver seat50No
Power seatback bolsters, driver100Yes
Manual thigh support adjuster, passenger seat50No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Special exterior trim0No
Total Requested30075%
Total Not Requested10025%

Option Package Details
Porsche Boxster

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested400100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
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
Total Requested115085%
Total Not Requested20015%

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