Porsche Boxster Porsche Boxster 2008 Audi A4 / S4 Audi A4 / S4 2010

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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: $55,200

Audi A4 / S4 S4 3.0T   
Difference: $17,100

Lowest Total Invoice: $51,397

Audi A4 / S4 S4 3.0T   
Difference: $6,357

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082010
ModelBoxsterA4 / S4
TrimSS4 3.0T
Body2dr Convertible4dr Sedan
Base Price $55,700 $45,900
Base Invoice $43,512 $42,687
Adaptive Sports Seats 3,055  
Preferred Package 2,190  
Metallic paint (extra cost) 690 475
Automatic climate control, front 550  
Carbon fiber / leather-wrapped steering wheel 1,360  
Xenon HID headlights 1,090  
Wood trim 890 500
Navigation system 3,110  
5-speed shiftable automatic 2,805  
Prestige Package   6,100
7-speed automated manual   1,400
Adaptive Sports Seats 2,597  
Preferred Package 1,862  
Metallic paint (extra cost) 587 443
Automatic climate control, front 468  
Carbon fiber / leather-wrapped steering wheel 1,156  
Xenon HID headlights 927  
Wood trim 757 466
Navigation system 2,644  
5-speed shiftable automatic 2,384  
Prestige Package   5,674
7-speed automated manual   1,302
Options (change) 15,740 8,475
Options (change) 13,382 7,885
Destination 860 825
Total Price $72,300 $55,200
Total Invoice $57,754 $51,397

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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: $18,010
TrueDelta Adjusted Invoice Difference: $7,204
Model Year20082010
ModelBoxsterA4 / S4
TrimSS4 3.0T
Body2dr Convertible4dr Sedan
Engine295hp H6333hp V6
TransmissionT5S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)18/25 MPG18/28 MPG
Audio (watts, speakers)325, 11505, 14
Tire (rear if not all the same)235/40-18255/35-19
Total Price$72,300$55,200
Adjustments for Features0-910
Feature-Adjusted Total Price$72,300$54,290
Total Invoice$57,754$51,397
Adjustments for Features0-847
Feature-Adjusted Total Invoice$57,754$50,550

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Features Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year20082010
ModelBoxsterA4 / S4
TrimSS4 3.0T
Body2dr Convertible4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
7-speed automated manual $1200
RWD$0 
AWD $1700
Accessories 
Power rear side windows $200
Proximity key $250
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Brake assist $50
Roll bar$200 
Side curtain airbags $350
Temporary spare tire $150
Cargo Management 
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 
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Power convertible top$4000 
Retractable rear spoiler$400 
Sunroof $900
Infotainment 
Aux input $50
Bluetooth cell phone link $100
DVD-compatible player $0
iPod integration $100
Media drive $15
MP3-compatible player $50
Satellite radio $200
SD Card slot $25
Traffic information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Automatic headlights $125
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
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,030$6,940
Value of Feature Adjustments$0$910
Value of Feature Adjustments0-847

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Specifications Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year20082010
ModelBoxsterA4 / S4
Body2dr Convertible4dr Sedan
Wheelbase95.1 in110.6 in
Length170.4 in185.2 in
Width70.9 in71.9 in
Height51.0 in56.2 in
Curb Weight3,053 lb.3,637 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, 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 Requested95070%
Total Not Requested40030%
Preferred Package
FeatureValueRequested?
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Floor mats75Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested92573%
Total Not Requested35027%

Option Package Details
Audi A4 / S4 S4 3.0T

Prestige Package
FeatureValueRequested?
255/35YR19 tires400No
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Surround sound250Yes
Proximity key250No
Auto-dimming passenger-side mirror75Yes
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Traffic information25No
Media drive, large15No
Total Requested135054%
Total Not Requested114046%

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