Audi A4 / S4 Audi A4 / S4 2006 Porsche Boxster Porsche Boxster 2010

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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: $51,535

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $12,170

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620102010
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 3.0 CabrioletS4 CabrioletBaseS
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $45,490 $54,640 $47,600 $58,000
Premium Package 1,825 1,775    
Metallic paint (extra cost) 450 450 710 710
Tire-pressure monitor 250 250    
Obstacle detection, rear 350 350 530 530
Bluetooth cell phone link 500 500 695 695
Navigation system 1,950 1,950 3,110 3,110
Bose 215W 9 speakers   1,000    
Audio controls on steering wheel   150 990 990
Adaptive Sports Seats     3,055 3,055
Auto-dimming rearview mirror     690 690
Xenon HID headlights     1,560 1,560
Floor mats     90 90
Heated front seats     510 510
Automatic climate control, front     550 550
CD changer, in-dash     650 650
Satellite radio     750 750
Wood trim     890 890
Wind blocker, small     375 375
Premium Package 1,661 1,615    
Metallic paint (extra cost) 410 410 0 0
Tire-pressure monitor 228 228    
Obstacle detection, rear 319 319 451 451
Bluetooth cell phone link 455 455 0 0
Navigation system 1,775 1,775 0 0
Bose 215W 9 speakers   910    
Audio controls on steering wheel   137 842 842
Adaptive Sports Seats     2,597 2,597
Auto-dimming rearview mirror     587 587
Xenon HID headlights     0 0
Floor mats     0 0
Heated front seats     0 0
Automatic climate control, front     468 468
CD changer, in-dash     553 553
Satellite radio     0 0
Wood trim     757 757
Wind blocker, small     319 319
Options (change) 5,325 6,425 15,155 15,155
Options (change) 4,848 5,849 6,574 6,574
Destination 720 720 950 950
Gas Tax 0 1,700 0 0
Total Price $51,535 $63,485 $63,705 $74,105

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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: Audi A4 / S4 vs. Porsche Boxster

Lowest Adjusted Price: Audi A4 / S4 A4 3.0 Cabriolet
Lowest Adjusted Invoice: Porsche Boxster
TrueDelta Adjusted Price Difference: $14,890
TrueDelta Adjusted Invoice Difference: $37,543
Model Year2006200620102010
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 3.0 CabrioletS4 CabrioletBaseS
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine220hp V6340hp V8255hp H6310hp H6
TransmissionT5M6M6M6
DrivetrainAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9215, 950, 4185, 7
Tire (rear if not all the same)235/45-17235/40-18205/55-17235/40-18
Total Price$51,535$63,485$63,705$74,105
Adjustments for Features-2,720-2,12000
Feature-Adjusted Total Price$48,815$61,365$63,705$74,105
Cost Above Minimum$0$12,550$0$10,400

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Features Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year2006200620102010
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 3.0 CabrioletS4 CabrioletBaseS
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000   
6-speed manual $150$150$150
AWD$1700$1700  
RWD  $0$0
Accessories 
Power rear side windows$200$200  
Wind blocker$300$300  
Wind blocker, small  $100$100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500  
Knee airbag, driver$75$75  
Knee airbag, passenger$75$75  
Roll bar  $200$200
Cargo Management 
Cargo net  $40$40
Rear seat pass-through$100$100  
Ski sack$50$50  
Climate Control 
Dual-zone climate control$125$125  
Rain-sensing wipers  $175$175
Variable intermittent wipers$75$75  
Water-repellent front-door glass  $15$15
Engine / Motor 
Mid-engine configuration  $0$0
Exterior 
Bodyside moldings$75$75  
Retractable rear spoiler  $400$400
Infotainment 
CD changer, in-dash  $325$325
CD changer, remote$200$200  
Off-road navigation system  $0$0
Satellite radio $200$200$200
Instruments, Lights, and Mirrors 
Automatic headlights$125$125  
Compass$0$0  
Power-folding mirrors$50$50  
Steering-linked headlights  $150$150
Turn signals on or near mirrors$25$25  
Seats and Interior Trim 
Center armrest(s), second row$50$50  
Manual thigh support length adjuster, driver seat $50  
Power 4-way lumbar adjuster, passenger seat$150$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
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade) $0  
Total Value of Features$4,875$4,275$2,155$2,155
Value of Feature Adjustments$2,720$2,120$0$0
Value of Feature Adjustments-2,511-1,95400

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Specifications Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year20062010
ModelA4 / S4Boxster
Body2dr Convertible2dr Convertible
Wheelbase104.5 in95.1 in
Length180.0 in172.1 in
Width70.0 in70.9 in
Height54.8 in50.9 in
Curb Weight3,683 lb.2,944 lb.
Fuel Capacity16.6 gal.16.9 gal.
Row 1 Headroom38.0 in38.4 in
Row 1 Shoulder Room53.0 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom41.3 in41.6 in
Row 2 Headroom36.3 in0.0 in
Row 2 Shoulder Room45.1 in0.0 in
Row 2 Legroom32.4 in0.0 in
Cargo Volume8.9 ft39.9 ft3

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Option Package Details
Audi A4 / S4 A4 3.0 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Automatic headlights125No
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Total Requested130073%
Total Not Requested47527%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Automatic headlights125No
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Total Requested80063%
Total Not Requested47537%

Option Package Details
Porsche Boxster

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested30075%
Total Not Requested10025%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Steering-linked headlights150No
Headlight washers50Yes
Total Requested55079%
Total Not Requested15021%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
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 wipers100No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested30075%
Total Not Requested10025%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Steering-linked headlights150No
Headlight washers50Yes
Total Requested55079%
Total Not Requested15021%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
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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