Porsche Boxster Porsche Boxster 2013 Audi A4 / S4 Audi A4 / S4 2009

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $56,050

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

Calculate Payments

  Down Payment Interest Rate Term
Model Year2013201320092009
ModelBoxsterBoxsterA4 / S4A4 / S4
TrimBaseSA4 3.2 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $49,500 $60,900 $48,800 $57,125
Infotainment Package 3,860 3,860    
Adaptive sport seats plus 3,825 3,825    
Metallic paint (extra cost) 710 710 475 475
Audio controls on steering wheel 615 615    
Obstacle detection, rear 530 530 350 350
Wood trim 1,515 1,515   400
Sport suspension (upgrade) 1,235 1,235    
Premium Package 2,040 1,440    
Bose 505W 10 speakers   0    
Convenience Package     1,550 2,275
Upgraded leather upholstery     1,000  
Heated front seats     450  
Navigation system     2,100 1,950
iPod integration     0 0
Front sport buckets     500  
Infotainment Package 0 0    
Adaptive sport seats plus 0 0    
Metallic paint (extra cost) 0 0 443 443
Audio controls on steering wheel 0 0    
Obstacle detection, rear 451 451 325 325
Wood trim 0 0   373
Sport suspension (upgrade) 0 0    
Premium Package 0 0    
Bose 505W 10 speakers   0    
Convenience Package     1,442 2,115
Upgraded leather upholstery     930  
Heated front seats     418  
Navigation system     1,953 1,813
iPod integration     0 0
Front sport buckets     466  
Options (change) 14,330 13,730 6,425 5,450
Options (change) 451 451 5,977 5,069
Destination 950 950 825 825
Gas Tax 0 0 0 1,700
Total Price $64,780 $75,580 $56,050 $65,100

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

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

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

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 Year2013201320092009
ModelBoxsterBoxsterA4 / S4A4 / S4
TrimBaseSA4 3.2 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine265hp H6315hp H6255hp V6340hp V8
TransmissionM6M6T6M6
DrivetrainRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)185, 7445, 10180, 9215, 9
Tire (rear if not all the same)235/45-18235/40-19235/40-18235/40-18
Total Price$64,780$75,580$56,050$65,100
Adjustments for Features0-500-3,155-1,605
Feature-Adjusted Total Price$64,780$75,080$52,895$63,495
Cost Above Minimum$0$10,300$0$10,600

Return to top

Features Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year2013201320092009
ModelBoxsterBoxsterA4 / S4A4 / S4
TrimBaseSA4 3.2 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150$150 $150
6-speed manually-shiftable automatic  $1100 
RWD$0$0  
AWD  $1700$1700
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$2,820$3,320$5,975$4,425
Value of Feature Adjustments$0$500$3,155$1,605
Value of Feature Adjustments0-9-2,938-1,497

Return to top

Specifications Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year20132009
ModelBoxsterA4 / S4
Body2dr Convertible2dr Convertible
Wheelbase97.4 in104.3 in
Length172.2 in180.0 in
Width70.9 in70.0 in
Height50.5 in54.8 in
Curb Weight2,889 lb.3,859 lb.
Fuel Capacity16.9 gal.16.6 gal.
Row 1 Headroom38.6 in38.0 in
Row 1 Shoulder Room51.7 in53.0 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom42.6 in41.3 in
Row 2 Headroom0.0 in36.3 in
Row 2 Shoulder Room0.0 in45.1 in
Row 2 Legroom0.0 in32.4 in
Cargo Volume9.9 ft38.9 ft3

Return to top

Option Package Details
Porsche Boxster

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%
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 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
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
Front sport buckets100Yes
Total Requested110061%
Total Not Requested70039%
Premium Package
FeatureValueRequested?
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
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
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

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%
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 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
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
Front sport buckets100Yes
Total Requested110061%
Total Not Requested70039%
Premium Package
FeatureValueRequested?
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
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
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%

Option Package Details
Audi A4 / S4 A4 3.2 Cabriolet

Upgraded leather upholstery
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Upholstered door panels, leather250Yes
Total Requested250100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote-125No
SD Card slot25No
Total Requested600120%
Total Not Requested-100-20%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Aluminum trim100No
Steering-wheel-mounted transmission controls100No
235/40HR18 tires400No
Total Requested25029%
Total Not Requested60071%
Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Auto-dimming passenger-side mirror75Yes
Total Requested1475100%
Total Not Requested00%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote200No
SD Card slot25No
Total Requested60073%
Total Not Requested22527%
Convenience Package
FeatureValueRequested?
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Bose, 215W, 9 speakers (with subwoofer)350No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Auto-dimming passenger-side mirror75Yes
Total Requested97574%
Total Not Requested35026%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Porsche models.