Porsche Boxster Porsche Boxster 2008 Audi A4 / S4 Audi A4 / S4 2013

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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: $55,020

Audi A4 / S4 S4 3.0T   
Difference: $20,220

Lowest Total Invoice: $51,235

Audi A4 / S4 S4 3.0T   
Difference: $9,020

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082013
ModelBoxsterA4 / S4
TrimSS4 3.0T
Body2dr Convertible4dr Sedan
Base Price $55,700 $47,600
Base Invoice $43,512 $44,268
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990 1,250
Metallic paint (extra cost) 690 475
Automatic climate control, front 550  
Carbon fiber / leather-wrapped steering wheel 1,360  
Floor mats 115  
Heated front seats 480  
Xenon HID headlights 1,090  
Carbon fiber trim 890 500
Navigation system 3,110  
Obstacle detection, rear 530  
5-speed shiftable automatic 3,210  
Navigation Package   3,050
Active rear differential   1,250
6-speed manual   0
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692 1,163
Metallic paint (extra cost) 587 443
Automatic climate control, front 468  
Carbon fiber / leather-wrapped steering wheel 1,156  
Floor mats 98  
Heated front seats 408  
Xenon HID headlights 927  
Carbon fiber trim 757 466
Navigation system 2,644  
Obstacle detection, rear 451  
5-speed shiftable automatic 2,729  
Navigation Package   2,837
Active rear differential   1,163
6-speed manual   0
Options (change) 18,680 6,525
Options (change) 15,883 6,072
Destination 860 895
Total Price $75,240 $55,020
Total Invoice $60,255 $51,235

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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 and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $20,655
TrueDelta Adjusted Invoice Difference: $9,425
Model Year20082013
ModelBoxsterA4 / S4
TrimSS4 3.0T
Body2dr Convertible4dr Sedan
Engine295hp H6333hp V6
TransmissionT5M6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)18/25 MPG17/26 MPG
Audio (watts, speakers)230, 7180, 10
Tire (rear if not all the same)235/40-18245/40-18
Total Price$75,240$55,020
Adjustments for Features0-435
Feature-Adjusted Total Price$75,240$54,585
Total Invoice$60,255$51,235
Adjustments for Features0-405
Feature-Adjusted Total Invoice$60,255$50,830

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Features Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year20082013
ModelBoxsterA4 / S4
TrimSS4 3.0T
Body2dr Convertible4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed manual $150
RWD$0 
AWD $1700
Accessories 
Power rear side windows $200
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Brake assist $50
Rearview camera $200
Roll bar$200 
Side curtain airbags $350
Temporary spare tire $150
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents with automatic controls $250
Water-repellent front-door glass$15 
Drivetrain 
Active rear differential $500
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Power convertible top$4000 
Retractable rear spoiler$400 
Sunroof $900
Infotainment 
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
iPod integration $100
Media drive $15
MP3-compatible player $50
Satellite radio $200
SD Card slot $25
Traffic + travel information $25
Voice control for nav and audio $100
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Automatic headlights $125
Chronometer$100 
Compass $0
Headlight washers$50 
Turn signals on or near mirrors $25
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel$150 
Center armrest(s), second row $50
Folding second row seats $300
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 seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Total Value of Features$6,130$6,565
Value of Feature Adjustments$0$435
Value of Feature Adjustments0-405

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Specifications Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year20082013
ModelBoxsterA4 / S4
Body2dr Convertible4dr Sedan
Wheelbase95.1 in110.6 in
Length170.4 in185.1 in
Width70.9 in71.9 in
Height51.0 in56.2 in
Curb Weight3,053 lb.3,847 lb.
Fuel Capacity17.0 gal.16.9 gal.
Row 1 Headroom38.4 in40.0 in
Row 1 Shoulder Room51.7 in55.5 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in41.3 in
Row 2 Headroom0.0 in37.5 in
Row 2 Shoulder Room0.0 in54.3 in
Row 2 Legroom0.0 in35.2 in
Cargo Volume9.9 ft312.4 ft3

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Option Package Details
Porsche Boxster S

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, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Total Requested95070%
Total Not Requested40030%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
Audi A4 / S4 S4 3.0T

Active rear differential
FeatureValueRequested?
Active rear differential500No
Electronic systems calibration selector200Yes
Total Requested20029%
Total Not Requested50071%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200No
DVD-compatible player0No
Voice control for nav and audio100No
HD radio50No
Media drive, large15No
Traffic + travel information25No
In-vehicle Internet150No
Bluetooth audio streaming25No
Wi-Fi hotspot50No
Total Requested85058%
Total Not Requested61542%

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