Audi A4 / S4 Audi A4 / S4 2009 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: $56,050

Audi A4 / S4 A4 3.2 Cabriolet   
Difference: $8,730

Calculate Payments

  Down Payment Interest Rate Term
Model Year2009200920132013
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 3.2 CabrioletS4 CabrioletBaseS
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $48,800 $57,125 $49,500 $60,900
Convenience Package 1,550 2,275    
Upgraded leather upholstery 1,000      
Metallic paint (extra cost) 475 475 710 710
Obstacle detection, rear 350 350 530 530
Front sport buckets 500      
Heated front seats 450      
Navigation system 2,100 1,950    
iPod integration 0 0    
Wood trim   400 1,515 1,515
Adaptive sport seats plus     3,825 3,825
Infotainment Package     3,860 3,860
Sport suspension (upgrade)     1,235 1,235
Audio controls on steering wheel     615 615
Premium Package     2,040 1,440
Bose 505W 10 speakers       0
Convenience Package 1,442 2,115    
Upgraded leather upholstery 930      
Metallic paint (extra cost) 443 443 0 0
Obstacle detection, rear 325 325 451 451
Front sport buckets 466      
Heated front seats 418      
Navigation system 1,953 1,813    
iPod integration 0 0    
Wood trim   373 0 0
Adaptive sport seats plus     0 0
Infotainment Package     0 0
Sport suspension (upgrade)     0 0
Audio controls on steering wheel     0 0
Premium Package     0 0
Bose 505W 10 speakers       0
Options (change) 6,425 5,450 14,330 13,730
Options (change) 5,977 5,069 451 451
Destination 825 825 950 950
Gas Tax 0 1,700 0 0
Total Price $56,050 $65,100 $64,780 $75,580

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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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Request free, no-obligation Audi A4 / S4 dealer quotes or Porsche Boxster dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price: Audi A4 / S4 A4 3.2 Cabriolet
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $11,885
TrueDelta Adjusted Invoice Difference: $47,857
Model Year2009200920132013
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 3.2 CabrioletS4 CabrioletBaseS
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine255hp V6340hp V8265hp H6315hp H6
TransmissionT6M6M6M6
DrivetrainAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9215, 9185, 7445, 10
Tire (rear if not all the same)235/40-18235/40-18235/45-18235/40-19
Total Price$56,050$65,100$64,780$75,580
Adjustments for Features-3,155-1,6050-500
Feature-Adjusted Total Price$52,895$63,495$64,780$75,080
Cost Above Minimum$0$10,600$0$10,300

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Features Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year2009200920132013
ModelA4 / S4A4 / S4BoxsterBoxster
TrimA4 3.2 CabrioletS4 CabrioletBaseS
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
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 
Active or whiplash-reducing head restraints, front seats$0$0  
Auto-raising roll bars / headrests$500$500  
Full-size spare tire$225$225  
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  
Storage compartment under front seat(s)$50$50  
Climate Control 
Residual heat  $50$50
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
Bluetooth cell phone link$100 $100$100
DVD-Audio-compatible player  $0$0
iPod integration$100$100  
Media drive  $15$15
Off-road navigation system  $0$0
SD Card slot$25$25  
Surround sound   $250
Traffic information  $25$25
USB port  $25$25
Instruments, Lights, and Mirrors 
Compass$0$0  
Fog lights$125$125  
Interior ambient lighting$150$150  
Turn signals on or near mirrors$25$25  
Seats and Interior Trim 
Aluminum trim$100   
Center armrest(s), second row$50$50  
Leather door panel trim$250$250 $250
Manual height adjuster, driver seat $50  
Manual thigh support length adjuster, driver seat $50  
Metal pedals  $75$75
No leather in second row  $-300$-300
Power fore-aft adjuster, driver seat$100 $100$100
Power height adjuster, driver seat$100 $100$100
Power recliner, driver seat$100 $100$100
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
Power tilt adjuster, driver seat$100 $100$100
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 $0$0
Ultra-sport suspension (upgrade) $0  
Transmission 
Steering-wheel-mounted transmission controls$100   
Total Value of Features$5,975$4,425$2,820$3,320
Value of Feature Adjustments$3,155$1,605$0$500
Value of Feature Adjustments-2,938-1,4970-9

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Specifications Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year20092013
ModelA4 / S4Boxster
Body2dr Convertible2dr Convertible
Wheelbase104.3 in97.4 in
Length180.0 in172.2 in
Width70.0 in70.9 in
Height54.8 in50.5 in
Curb Weight3,859 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 3.2 Cabriolet

Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Compass0No
Auto-dimming passenger-side mirror75Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Auto-dimming driver-side mirror75Yes
Total Requested1475100%
Total Not Requested00%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Aluminum trim100No
Steering-wheel-mounted transmission controls100No
235/40HR18 tires400No
Total Requested25029%
Total Not Requested60071%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Convenience Package
FeatureValueRequested?
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Bose, 215W, 9 speakers (with subwoofer)350No
Compass0No
Auto-dimming passenger-side mirror75Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Total Requested97574%
Total Not Requested35026%

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 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
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Front sport buckets100Yes
Total Requested110061%
Total Not Requested70039%
Infotainment Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-Audio-compatible player0No
Traffic information25No
Off-road navigation system0No
Media drive, large15No
USB port25Yes
Unbranded, 185W, 7 speakers350No
Total Requested82568%
Total Not Requested39032%
Premium Package
FeatureValueRequested?
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
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Wind blocker, small100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100Yes
Total Requested282589%
Total Not Requested35011%

Option Package Details
Porsche Boxster S

Bose, 445W, 10 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 10 speakers (with subwoofer)350No
Surround sound250No
Total Requested00%
Total Not Requested600100%
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 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
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Front sport buckets100Yes
Total Requested110061%
Total Not Requested70039%
Infotainment Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-Audio-compatible player0No
Traffic information25No
Off-road navigation system0No
Media drive, large15No
USB port25Yes
Total Requested82595%
Total Not Requested405%
Premium Package
FeatureValueRequested?
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
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Wind blocker, small100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100Yes
Total Requested232587%
Total Not Requested35013%

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