Audi A4 / S4 Audi A4 / S4 2006 Porsche Boxster Porsche Boxster 2013

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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: $49,835

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $12,645

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620132013
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 3.0 CabrioletS4 CabrioletBaseS
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $45,490 $54,640 $49,500 $60,900
Premium Package 1,825 1,775 2,040 1,440
Metallic paint (extra cost) 450 450 710 710
Bluetooth cell phone link 500 500    
Tire-pressure monitor 250 250    
Obstacle detection, rear 350 350 530 530
Sport suspension (upgrade) 250   1,235 1,235
Bose 215W 9 speakers   1,000    
Audio controls on steering wheel   150 615 615
Adaptive sport seats plus     3,825 3,825
Power-folding mirrors     320 320
CD changer, in-dash     570 570
Satellite radio     670 670
Wood trim     1,515 1,515
Premium Package 1,661 1,615 0 0
Metallic paint (extra cost) 410 410 0 0
Bluetooth cell phone link 455 455    
Tire-pressure monitor 228 228    
Obstacle detection, rear 319 319 451 451
Sport suspension (upgrade) 228   0 0
Bose 215W 9 speakers   910    
Audio controls on steering wheel   137 0 0
Adaptive sport seats plus     0 0
Power-folding mirrors     0 0
CD changer, in-dash     0 0
Satellite radio     0 0
Wood trim     0 0
Options (change) 3,625 4,475 12,030 11,430
Options (change) 3,301 4,074 451 451
Destination 720 720 950 950
Gas Tax 0 1,700 0 0
Total Price $49,835 $61,535 $62,480 $73,280

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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: $14,090
TrueDelta Adjusted Invoice Difference: $43,295
Model Year2006200620132013
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 3.0 CabrioletS4 CabrioletBaseS
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine220hp V6340hp V8265hp H6315hp 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)235/45-17235/40-18235/45-18235/40-19
Total Price$49,835$61,535$62,480$73,280
Adjustments for Features-1,445-84500
Feature-Adjusted Total Price$48,390$60,690$62,480$73,280
Cost Above Minimum$0$12,300$0$10,800

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Features Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year2006200620132013
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  
Tilt/telescoping steering wheel, manual$250$250  
Tilt/telescoping steering wheel, power  $350$350
Wind blocker$300$300  
Wind blocker, small  $100$100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500  
Roll bar  $200$200
Side curtain airbags  $350$350
Cargo Management 
Cargo net  $40$40
Rear seat pass-through$100$100  
Ski sack$50$50  
Climate Control 
Rain-sensing wipers  $175$175
Residual heat  $50$50
Variable intermittent wipers$75$75  
Water-repellent front-door glass  $15$15
Engine / Motor 
Automatic start / stop  $150$150
Mid-engine configuration  $0$0
Regenerative braking  $0$0
Exterior 
Bodyside moldings$75$75  
Retractable rear spoiler  $400$400
Infotainment 
Aux input  $50$50
Bluetooth audio streaming  $25$25
Cassette player$50$50  
MP3-compatible player  $50$50
Satellite radio $200$200$200
Instruments, Lights, and Mirrors 
Compass$0$0  
Fog lights$125$125  
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 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
Power thigh support length adjuster, driver seat  $100$100
Power thigh support length adjuster, passenger seat  $100$100
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 $0$0
Ultra-sport suspension (upgrade) $0  
Total Value of Features$4,500$3,900$3,055$3,055
Value of Feature Adjustments$1,445$845$0$0
Value of Feature Adjustments-1,335-77900

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Specifications Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year20062013
ModelA4 / S4Boxster
Body2dr Convertible2dr Convertible
Wheelbase104.5 in97.4 in
Length180.0 in172.2 in
Width70.0 in70.9 in
Height54.8 in50.5 in
Curb Weight3,683 lb.2,889 lb.
Fuel Capacity16.6 gal.16.9 gal.
Row 1 Headroom38.0 in38.6 in
Row 1 Shoulder Room53.0 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom41.3 in42.6 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
Compass0No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75Yes
Total Requested147583%
Total Not Requested30017%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Automatic headlights125Yes
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Wind blocker300No
Compass0No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested97576%
Total Not Requested30024%

Option Package Details
Porsche Boxster

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Front sport buckets100Yes
Total Requested110061%
Total Not Requested70039%
Premium Package
FeatureValueRequested?
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Wind blocker, small100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50Yes
Automatic air recirculation100No
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Total Requested247578%
Total Not Requested70022%

Option Package Details
Porsche Boxster S

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Front sport buckets100Yes
Total Requested110061%
Total Not Requested70039%
Premium Package
FeatureValueRequested?
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Wind blocker, small100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Steering-linked headlights150No
Headlight washers50Yes
Automatic air recirculation100No
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Total Requested197574%
Total Not Requested70026%

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