Porsche Boxster Porsche Boxster 2010 Audi A4 / S4 Audi A4 / S4 2009

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Porsche Boxster vs. Audi A4 / S4 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. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $65,900

Audi A4 / S4 S4 Cabriolet   
Difference: $320

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102009
ModelBoxsterA4 / S4
TrimBaseS4 Cabriolet
Body2dr Convertible2dr Convertible
Base Price $47,600 $57,125
Xenon HID headlights 1,560  
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
7-speed automated manual 3,420  
Metallic paint (extra cost) 710 475
Heated front seats 510  
Audio controls on steering wheel 990  
Navigation system 3,110 1,950
Floor mats 90  
Satellite radio 750  
Automatic climate control, front 550  
iPod integration 440 0
Obstacle detection, rear 530 350
Wood trim 890 400
Wind blocker, small 375  
Convenience Package   2,275
6-speed shiftable automatic   1,200
Xenon HID headlights 0  
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
7-speed automated manual 0  
Metallic paint (extra cost) 0 443
Heated front seats 0  
Audio controls on steering wheel 842  
Navigation system 0 1,813
Floor mats 0  
Satellite radio 0  
Automatic climate control, front 468  
iPod integration 0 0
Obstacle detection, rear 451 325
Wood trim 757 373
Wind blocker, small 319  
Convenience Package   2,115
6-speed shiftable automatic   1,115
Options (change) 17,670 6,650
Options (change) 6,021 6,184
Destination 950 825
Gas Tax 0 1,300
Total Price $66,220 $65,900

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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. Audi A4 / S4

Lowest Adjusted Price: Audi A4 / S4 S4 Cabriolet
Lowest Adjusted Invoice: Porsche Boxster
TrueDelta Adjusted Price Difference: $2,925
TrueDelta Adjusted Invoice Difference: $52,036
Model Year20102009
ModelBoxsterA4 / S4
TrimBaseS4 Cabriolet
Body2dr Convertible2dr Convertible
Engine255hp H6340hp V8
TransmissionS7T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)20/29 MPG14/21 MPG
Audio (watts, speakers)50, 4215, 9
Tire (rear if not all the same)205/55-17235/40-18
Total Price$66,220$65,900
Adjustments for Features0-2,605
Feature-Adjusted Total Price$66,220$63,295

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Features Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year20102009
ModelBoxsterA4 / S4
TrimBaseS4 Cabriolet
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Power rear side windows $200
Wind blocker $300
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Full-size spare tire $225
Knee airbag, driver $75
Knee airbag, passenger $75
Roll bar$200 
Cargo Management 
Cargo net$40 
Rear seat pass-through $100
Ski sack $50
Storage compartment under front seat(s) $50
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Water-repellent front-door glass$15 
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Bodyside moldings $75
Retractable rear spoiler$400 
Infotainment 
Aux input$50 
DVD-Audio-compatible player$0 
Media drive$15 
MP3-compatible player $50
Off-road navigation system$0 
SD Card slot $25
Instruments, Lights, and Mirrors 
Automatic headlights $125
Compass $0
Turn signals on or near mirrors $25
Seats and Interior Trim 
Center armrest(s), second row $50
Manual height adjuster, driver seat $50
Manual thigh support length adjuster, driver seat $50
Metal pedals$75 
No leather in second row$-300 
Power 4-way lumbar adjuster, passenger seat $150
Power fore-aft adjuster, driver seat$100 
Power height adjuster, driver seat$100 
Power recliner, driver seat$100 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power tilt adjuster, driver seat$100 
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade) $0
Total Value of Features$2,595$5,200
Value of Feature Adjustments$0$2,605
Value of Feature Adjustments0-2,429

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Specifications Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year20102009
ModelBoxsterA4 / S4
Body2dr Convertible2dr Convertible
Wheelbase95.1 in104.3 in
Length172.1 in180.0 in
Width70.9 in70.0 in
Height50.9 in54.8 in
Curb Weight3,009 lb.4,211 lb.
Fuel Capacity16.9 gal.16.6 gal.
Row 1 Headroom38.4 in38.0 in
Row 1 Shoulder Room51.7 in53.0 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in41.3 in
Row 2 Headroom0.0 in36.3 in
Row 2 Shoulder Room0.0 in45.1 in
Row 2 Legroom0.0 in32.4 in
Cargo Volume9.9 ft38.9 ft3

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Option Package Details
Porsche Boxster

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100No
Power height adjuster, driver seat50No
Power tilt adjuster, driver seat100No
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 Requested70052%
Total Not Requested65048%

Option Package Details
Audi A4 / S4 S4 Cabriolet

6-speed manually-shiftable automatic
FeatureValueRequested?
6-speed manually-shiftable automatic0Yes
1300 Gas-Guzzler Tax0No
4.2L V8
DOHC-5v
340 hp@6800
302 lb-ft@3500
1000Yes
Steering-wheel-mounted transmission controls100Yes
Total Requested1100100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote200No
SD Card slot25No
Total Requested60073%
Total Not Requested22527%
Convenience Package
FeatureValueRequested?
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Bose, 215W, 9 speakers (with subwoofer)350No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125No
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Auto-dimming passenger-side mirror75Yes
Total Requested85064%
Total Not Requested47536%

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