Audi A4 / S4 Audi A4 / S4 2006 Audi A6 / S6 Audi A6 / S6 2008

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Audi A4 / S4 vs. Audi A6 / S6 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. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $58,620

Audi A4 / S4 S4   
Difference: $21,470

Lowest Total Invoice: $54,156

Audi A4 / S4 S4   
Difference: $20,482

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062008
ModelA4 / S4A6 / S6
TrimS4S6
Body4dr Sedan4dr Sedan
Base Price $46,400 $72,350
Base Invoice $42,758 $67,285
Cold Weather Package 400  
Premium Package 2,900  
6-speed shiftable automatic 1,200  
Sunshade, rear, power 400  
Metallic paint (extra cost) 450  
Bluetooth cell phone link 500  
Bose 215W 10 speakers 1,000  
Tire-pressure monitor 250  
CA/NE emissions (extra-cost) 150 150
Rear side airbags 350 350
Carbon fiber trim 300 400
Navigation system 1,950  
Obstacle detection, rear 350  
Technology Package   3,350
Warm Weather Package   1,190
Heated second row seats   225
Cold Weather Package 364  
Premium Package 2,639  
6-speed shiftable automatic 1,172  
Sunshade, rear, power 364  
Metallic paint (extra cost) 410  
Bluetooth cell phone link 455  
Bose 215W 10 speakers 910  
Tire-pressure monitor 228  
CA/NE emissions (extra-cost) 150 150
Rear side airbags 319 325
Carbon fiber trim 273 373
Navigation system 1,775  
Obstacle detection, rear 319  
Technology Package   3,115
Warm Weather Package   1,106
Heated second row seats   209
Options (change) 10,200 5,665
Options (change) 9,378 5,278
Destination 720 775
Gas Tax 1,300 1,300
Total Price $58,620 $80,090
Total Invoice $54,156 $74,638

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

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TrueDelta Value Comparison: Audi A4 / S4 vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4
TrueDelta Adjusted Price Difference: $19,780
TrueDelta Adjusted Invoice Difference: $18,907
Model Year20062008
ModelA4 / S4A6 / S6
TrimS4S6
Body4dr Sedan4dr Sedan
Engine340hp V8435hp V10
TransmissionT6T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)15/23 MPG14/19 MPG
Audio (watts, speakers)215, 10330, 13
Tire (rear if not all the same)235/40-18265/35-19
Total Price$58,620$80,090
Adjustments for Features0-1,690
Feature-Adjusted Total Price$58,620$78,400
Total Invoice$54,156$74,638
Adjustments for Features0-1,575
Feature-Adjusted Total Invoice$54,156$73,063

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Features Comparison: Audi A4 / S4 vs. Audi A6 / S6

Model Year20062008
ModelA4 / S4A6 / S6
TrimS4S6
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
AWD$1700$1700
Accessories 
Proximity key $250
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Rearview camera $200
Cargo Management 
Cargo mat $40
Storage compartment under front seat(s) $50
Climate Control 
Rear air vents $100
Residual heat $50
Exterior 
Bodyside cladding $350
Bodyside moldings$75 
Rear spoiler$200 
Solar panel $300
Infotainment 
MP3-compatible player $50
Surround sound $250
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Mirror tilt-down in reverse $25
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,325$5,015
Value of Feature Adjustments$0$1,690
Value of Feature Adjustments0-1,575

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Specifications Comparison: Audi A4 / S4 vs. Audi A6 / S6

Model Year20062008
ModelA4 / S4A6 / S6
Body4dr Sedan4dr Sedan
Wheelbase104.3 in111.9 in
Length180.6 in193.5 in
Width69.8 in73.1 in
Height56.2 in57.5 in
Curb Weight3,902 lb.4,486 lb.
Fuel Capacity16.6 gal.21.1 gal.
Row 1 Headroom38.4 in38.7 in
Row 1 Shoulder Room55.1 in57.1 in
Row 1 Legroom41.3 in41.3 in
Row 2 Headroom37.2 in37.8 in
Row 2 Shoulder Room53.4 in55.9 in
Row 2 Legroom34.3 in36.9 in
Cargo Volume13.4 ft315.9 ft3

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Option Package Details
Audi A4 / S4 S4

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100Yes
Ski sack50Yes
Total Requested350100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Heated front seats200Yes
Sunroof900Yes
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Total Requested2125100%
Total Not Requested00%

Option Package Details
Audi A6 / S6 S6

Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200No
Proximity key250No
Voice control for nav and audio100No
Total Requested85061%
Total Not Requested55039%
Warm Weather Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Solar panel300No
Total Requested35054%
Total Not Requested30046%

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