Porsche Boxster Porsche Boxster 2007 Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008

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Porsche Boxster vs. Audi A4 / S4 / RS4 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 / RS4 Invoice Comparison

Lowest Total Price: $73,235

Porsche Boxster S   
Difference: $11,540

Lowest Total Invoice: $63,615

Porsche Boxster S   
Difference: $15,428

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072008
ModelBoxsterA4 / S4 / RS4
TrimSRS4 Cabriolet
Body2dr Convertible2dr Convertible
Base Price $55,500 $81,900
Base Invoice $48,415 $76,168
Power Seat Package 1,550  
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,090  
CD changer, remote 650  
Navigation system 3,070  
Obstacle detection, rear 530  
Carbon fiber trim 890  
Heated front seats 480  
Front sport buckets 760  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Floor mats 115  
Wind blocker, small 375  
5-speed shiftable automatic 3,210  
Adaptive dampers - electrical 1,990  
Power Seat Package 1,318  
Auto-dimming rearview mirror 587  
Xenon HID headlights 927  
CD changer, remote 553  
Navigation system 2,610  
Obstacle detection, rear 451  
Carbon fiber trim 757  
Heated front seats 408  
Front sport buckets 646  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Floor mats 98  
Wind blocker, small 319  
5-speed shiftable automatic 2,729  
Adaptive dampers - electrical 1,692  
Options (change) 16,940 0
Options (change) 14,405 0
Destination 795 775
Gas Tax 0 2,100
Total Price $73,235 $84,775
Total Invoice $63,615 $79,043

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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 / RS4

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $8,070
TrueDelta Adjusted Invoice Difference: $12,193
Model Year20072008
ModelBoxsterA4 / S4 / RS4
TrimSRS4 Cabriolet
Body2dr Convertible2dr Convertible
Engine295hp H6420hp V8
TransmissionT5M6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)20/27 MPG13/20 MPG
Audio (watts, speakers)230, 7215, 9
Tire (rear if not all the same)235/40-18255/35-19
Total Price$73,235$84,775
Adjustments for Features0-3,470
Feature-Adjusted Total Price$73,235$81,305
Total Invoice$63,615$79,043
Adjustments for Features0-3,235
Feature-Adjusted Total Invoice$63,615$75,808

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Features Comparison: Porsche Boxster vs. Audi A4 / S4 / RS4

Model Year20072008
ModelBoxsterA4 / S4 / RS4
TrimSRS4 Cabriolet
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed manual $150
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
Brake assist $50
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 
Dual-zone climate control $125
Water-repellent front-door glass$15 
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Body kit $0
Bodyside moldings $75
Rear spoiler $200
Retractable rear spoiler$400 
Sunroof $900
Infotainment 
Bluetooth cell phone link $100
CD player$125 
MP3-compatible player $50
Satellite radio $200
Instruments, Lights, and Mirrors 
Automatic headlights $125
Compass $0
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors $25
Seats and Interior Trim 
Center armrest(s), second row $50
Heated second row seats $200
Manual height adjuster, driver seat $50
Manual thigh support length adjuster, driver seat $50
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 tilt adjuster, driver seat$100 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Hydraulically cross-linked dampers $500
Ultra-sport suspension (upgrade) $0
Total Value of Features$2,780$6,250
Value of Feature Adjustments$0$3,470
Value of Feature Adjustments0-3,235

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Specifications Comparison: Porsche Boxster vs. Audi A4 / S4 / RS4

Model Year20072008
ModelBoxsterA4 / S4 / RS4
Body2dr Convertible2dr Convertible
Wheelbase95.1 in104.3 in
Length170.4 in180.0 in
Width70.9 in70.0 in
Height51.0 in54.8 in
Curb Weight3,053 lb.4,266 lb.
Fuel Capacity17.0 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 S

Power Seat Package
FeatureValueRequested?
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 Requested60071%
Total Not Requested25029%

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