Audi A4 / S4 Audi A4 / S4 2015 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: $54,275

Audi A4 / S4 S4 3.0T   
Difference: $7,855

Lowest Total Invoice: $50,542

Audi A4 / S4 S4 3.0T   
Difference: $3,395

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520082008
ModelA4 / S4BoxsterBoxster
TrimS4 3.0TBaseS
Body4dr Sedan2dr Convertible2dr Convertible
Base Price $48,400 $45,800 $55,700
Base Invoice $45,012 $39,923 $43,512
Technology Package 2,900    
Metallic paint (extra cost) 550 690 690
Carbon fiber trim 500 890 890
Adaptive dampers - electrical 1,000 1,990 1,990
Sport Chrono Package   920 920
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
Technology Package 2,698    
Metallic paint (extra cost) 511 587 587
Carbon fiber trim 466 757 757
Adaptive dampers - electrical 930 1,692 1,692
Sport Chrono Package   782 782
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) 4,950 15,470 15,470
Options (change) 4,605 13,154 13,154
Destination 925 860 860
Total Price $54,275 $62,130 $72,030
Total Invoice $50,542 $53,937 $57,526

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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 and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $9,340
TrueDelta Adjusted Invoice Difference: $4,778
Model Year201520082008
ModelA4 / S4BoxsterBoxster
TrimS4 3.0TBaseS
Body4dr Sedan2dr Convertible2dr Convertible
Engine333hp V6245hp H6295hp H6
TransmissionM6M5M6
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 1050, 4230, 7
Tire (rear if not all the same)245/40-18205/55-17235/40-18
Total Price$54,275$62,130$72,030
Adjustments for Features-1,4850-150
Feature-Adjusted Total Price$52,790$62,130$71,880
Cost Above Minimum$0$0$9,750
Total Invoice$50,542$53,937$57,526
Adjustments for Features-1,3830-120
Feature-Adjusted Total Invoice$49,159$53,937$57,406
Cost Above Minimum$0$0$3,469

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Features Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year201520082008
ModelA4 / S4BoxsterBoxster
TrimS4 3.0TBaseS
Body4dr Sedan2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150 $150
5-speed manual $0 
AWD$1700  
RWD $0$0
Accessories 
Power rear side windows$200  
Proximity key$250  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0  
Blind spot warning system$200  
Brake assist$50  
Rearview camera$200  
Roll bar $200$200
Side curtain airbags$350  
Temporary spare tire$150  
Cargo Management 
Air-conditioned storage compartment$50  
Cargo net $40$40
Climate Control 
Automatic air recirculation$100  
Dual-zone climate control$125  
Rear air vents with automatic controls$250  
Water-repellent front-door glass $15$15
Engine / Motor 
Mid-engine configuration $0$0
Exterior 
Body kit$0  
Power convertible top $4000$4000
Retractable rear spoiler $400$400
Sunroof$900  
Infotainment 
Aux input$50  
Bluetooth audio streaming$25  
Bluetooth cell phone link$100  
DVD-compatible player$0  
HD radio$50  
In-vehicle Internet$150  
iPod integration$100  
Media drive$15  
MP3-compatible player$50  
Satellite radio$200  
SD Card slot$25  
Traffic + travel information$25  
Voice control for nav and audio$100  
Wi-Fi hotspot$50  
Instruments, Lights, and Mirrors 
Automatic headlights$125  
Chronometer $100$100
Compass$0  
Headlight washers $50$50
Turn signals on or near mirrors$25  
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel $150$150
Center armrest(s), second row$50  
Folding second row seats$300  
Leather-wrapped steering wheel$150  
Manual thigh support length adjuster, driver seat$50  
Manual thigh support length adjuster, passenger seat$50  
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$6,615$5,130$5,280
Value of Feature Adjustments$1,485$0$150
Value of Feature Adjustments-1,3830-120

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Specifications Comparison: Audi A4 / S4 vs. Porsche Boxster

Model Year20152008
ModelA4 / S4Boxster
Body4dr Sedan2dr Convertible
Wheelbase110.6 in95.1 in
Length185.1 in170.4 in
Width71.9 in70.9 in
Height56.2 in51.0 in
Curb Weight3,510 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 S4 3.0T

Technology Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Rearview camera200No
Blind spot warning system200No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
HD radio50No
Media drive15No
Traffic + travel information25No
Bluetooth audio streaming25No
Total Requested85051%
Total Not Requested81549%

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%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
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 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
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver 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%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
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 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
Power fore-aft adjuster, driver seat100Yes
Total Requested95070%
Total Not Requested40030%

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