Audi A4 / S4 Audi A4 / S4 2011 Porsche Boxster Porsche Boxster 2008

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Audi A4 / S4 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.

Audi A4 / S4 vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $42,600

Audi A4 / S4 A4 2.0T   
Difference: $16,620

Lowest Total Invoice: $39,681

Audi A4 / S4 A4 2.0T   
Difference: $11,782

Calculate Payments

  Down Payment Interest Rate Term
Model Year2011201120082008
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 2.0TS4 3.0TBaseS
Body4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Base Price $32,300 $47,100 $45,800 $55,700
Base Invoice $30,040 $43,804 $39,923 $43,512
Prestige Package 8,600      
Wood trim 350 500 890 890
Metallic paint (extra cost) 475 475 690 690
Navigation Package   2,550    
Adaptive Sports Seats     3,055 3,055
Auto-dimming rearview mirror     690 690
Floor mats     115 115
Heated front seats     480 480
Obstacle detection, rear     530 530
Automatic climate control, front     550 550
Carbon fiber / leather-wrapped steering wheel     1,360 1,360
Xenon HID headlights     1,090 1,090
Navigation system     3,110 3,110
Prestige Package 7,998      
Wood trim 325 466 757 757
Metallic paint (extra cost) 443 443 587 587
Navigation Package   2,371    
Adaptive Sports Seats     2,597 2,597
Auto-dimming rearview mirror     587 587
Floor mats     98 98
Heated front seats     408 408
Obstacle detection, rear     451 451
Automatic climate control, front     468 468
Carbon fiber / leather-wrapped steering wheel     1,156 1,156
Xenon HID headlights     927 927
Navigation system     2,644 2,644
Options (change) 9,425 3,525 12,560 12,560
Options (change) 8,766 3,280 10,680 10,680
Destination 875 875 860 860
Total Price $42,600 $51,500 $59,220 $69,120
Total Invoice $39,681 $47,959 $51,463 $55,052

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Audi A4 / S4 vs. Porsche Boxster

Lowest Adjusted Price and Invoice: Audi A4 / S4 A4 2.0T
TrueDelta Adjusted Price Difference: $16,630
TrueDelta Adjusted Invoice Difference: $11,791
Model Year2011201120082008
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 2.0TS4 3.0TBaseS
Body4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Engine211hp I4333hp V6245hp H6295hp H6
TransmissionCVT-8M6M5M6
DrivetrainFWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)505, 14180, 1050, 4230, 7
Tire (rear if not all the same)245/40-18245/40-18205/55-17235/40-18
Total Price$42,600$51,500$59,220$69,120
Adjustments for Features-10-5100-150
Feature-Adjusted Total Price$42,590$50,990$59,220$68,970
Cost Above Minimum$0$8,400$0$9,750
Total Invoice$39,681$47,959$51,463$55,052
Adjustments for Features-9-4750-119
Feature-Adjusted Total Invoice$39,672$47,484$51,463$54,933
Cost Above Minimum$0$7,812$0$3,470

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Features Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year2011201120082008
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 2.0TS4 3.0TBaseS
Body4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Transmission and Drivetrain 
8-speed manually-shiftable CVT$1100   
6-speed manual $150 $150
5-speed manual  $0 
FWD$0   
AWD $1700  
RWD  $0$0
Accessories 
Power rear side windows$200$200  
Proximity key$250   
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0  
Brake assist$50$50  
Rearview camera$200$200  
Roll bar  $200$200
Side curtain airbags$350$350  
Temporary spare tire$150$150  
Cargo Management 
Cargo net  $40$40
Climate Control 
Automatic air recirculation$100$100  
Dual-zone climate control$125$125  
Rear air vents with automatic controls$250$250  
Water-repellent front-door glass  $15$15
Engine / Motor 
Mid-engine configuration  $0$0
Exterior 
Power convertible top  $4000$4000
Retractable rear spoiler  $400$400
Sunroof$900$900  
Infotainment 
Aux input$50$50  
Bluetooth cell phone link$100$100  
DVD-compatible player$0$0  
HD radio$50$50  
iPod integration$100$100  
Media drive$15$15  
MP3-compatible player$50$50  
Satellite radio$200$200  
SD Card slot$25$25  
Surround sound$250   
Traffic information$25$25  
Voice control for nav and audio$100$100  
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75 $75$75
Auto-dimming passenger-side mirror$75 $75$75
Automatic headlights$125$125  
Compass$0$0  
Headlight washers  $50$50
Turn signals on or near mirrors$25$25  
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel  $150$150
Center armrest(s), second row$50$50  
Folding second row seats$300$300  
Leather door panel trim $250$250$250
Leather-wrapped steering wheel$150$150  
Manual thigh support length adjuster, driver seat $50  
Manual thigh support length adjuster, passenger seat $50  
Memory system, driver seat$200 $200$200
Metal pedals  $75$75
No leather in second row  $-300$-300
Power 4-way lumbar adjuster, passenger seat $150  
Power seatback bolsters, driver seat  $100$100
Power seatback bolsters, passenger seat  $100$100
Power thigh bolsters, driver seat  $100$100
Power thigh bolsters, passenger seat  $100$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$5,640$6,140$5,630$5,780
Value of Feature Adjustments$10$510$0$150
Value of Feature Adjustments-9-4750-119

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Specifications Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year20112008
ModelA4 / S4Boxster
Body4dr Sedan2dr Convertible
Wheelbase110.6 in95.1 in
Length185.2 in170.4 in
Width71.9 in70.9 in
Height56.2 in51.0 in
Curb Weight3,591 lb.2,856 lb.
Fuel Capacity16.9 gal.17.0 gal.
Row 1 Headroom40.0 in38.4 in
Row 1 Shoulder Room55.5 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom41.3 in41.6 in
Row 2 Headroom37.5 in0.0 in
Row 2 Shoulder Room54.3 in0.0 in
Row 2 Legroom35.2 in0.0 in
Cargo Volume12.4 ft39.9 ft3

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Option Package Details
Audi A4 / S4 A4 2.0T

Prestige Package
FeatureValueRequested?
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Surround sound250No
Proximity key250No
Auto-dimming passenger-side mirror75Yes
245/40HR18 tires400No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Automatic headlights125No
Xenon HID headlights500Yes
Bluetooth cell phone link100No
Compass0No
Dual-zone climate control125No
iPod integration100No
Heated front seats200Yes
Rear air vents with automatic controls250No
Folding second row seats300No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Trip computer150Yes
Rain-sensing wipers100Yes
Second-row 2-section 3-person split bench100No
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200No
DVD-compatible player0No
Voice control for nav and audio100No
Traffic information25No
HD radio50No
Media drive, large15No
Total Requested240047%
Total Not Requested274053%

Option Package Details
Audi A4 / S4 S4 3.0T

Navigation Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200No
DVD-compatible player0No
Voice control for nav and audio100No
Traffic information25No
HD radio50No
Media drive, large15No
Total Requested85069%
Total Not Requested39031%

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%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Total Requested50091%
Total Not Requested509%
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%

Option Package Details
Porsche Boxster S

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%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Total Requested50091%
Total Not Requested509%
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%

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