Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 Audi A6 / S6 Audi A6 / S6 2015

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Audi A4 / S4 / RS4 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 / RS4 vs. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $74,135

Audi A4 / S4 / RS4 RS4   
Difference: $4,190

Lowest Total Invoice: $69,147

Audi A4 / S4 / RS4 RS4   
Difference: $3,765

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082015
ModelA4 / S4 / RS4A6 / S6
TrimRS4S6 4.0 TFSI
Body4dr Sedan4dr Sedan
Base Price $66,910 $75,500
Base Invoice $62,227 $70,217
Premium Package 4,000  
iPod integration 0  
Aluminum trim 0 0
Rear side airbags 350 350
Cold Weather Package   500
Warm Weather Package   500
Metallic paint (extra cost)   550
Premium Package 3,720  
iPod integration 0  
Aluminum trim 0 0
Rear side airbags 325 325
Cold Weather Package   467
Warm Weather Package   467
Metallic paint (extra cost)   511
Options (change) 4,350 1,900
Options (change) 4,045 1,770
Destination 775 925
Gas Tax 2,100 0
Total Price $74,135 $78,325
Total Invoice $69,147 $72,912

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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 / RS4 dealer quotes or Audi A6 / S6 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 / RS4 vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $2,575
TrueDelta Adjusted Invoice Difference: $2,532
Model Year20082015
ModelA4 / S4 / RS4A6 / S6
TrimRS4S6 4.0 TFSI
Body4dr Sedan4dr Sedan
Engine420hp V8420hp V8
TransmissionM6S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/20 MPG17/27 MPG
Audio (watts, speakers)215, 10630, 14
Tire (rear if not all the same)255/35-19255/40-19
Total Price$74,135$78,325
Adjustments for Features0-6,765
Feature-Adjusted Total Price$74,135$71,560
Total Invoice$69,147$72,912
Adjustments for Features0-6,297
Feature-Adjusted Total Invoice$69,147$66,615

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Features Comparison: Audi A4 / S4 / RS4 vs. Audi A6 / S6

Model Year20082015
ModelA4 / S4 / RS4A6 / S6
TrimRS4S6 4.0 TFSI
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
7-speed automated manual $1200
AWD$1700$1700
Accessories 
Heated steering wheel $100
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 
Blind spot warning system $200
Collision preparation system, rear $100
Full-size spare tire$225 
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rearview camera $200
Rollover sensor $50
Temporary spare tire $150
Cargo Management 
Ski sack$50 
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Residual heat $50
Drivetrain 
Active rear differential $500
Engine / Motor 
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Bodyside moldings$75 
Rear spoiler$200 
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD player $125
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
SD Card slot$25 
Surround sound $250
Traffic + travel information $25
Voice control for nav and audio $100
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Cornering lights $50
Fog lights$125 
Head-up display (HUD) $350
Headlight washers$50 
LED headlights $1000
Mirror tilt-down in reverse $25
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Door sill trim plates$100 
Illuminated door sill trim plates $200
Manual thigh support length adjuster, driver seat$50 
Metal pedals $75
Power fore-aft adjuster, driver seat $100
Power height adjuster, driver seat $100
Power recliner, driver seat $100
Power tilt adjuster, driver seat $100
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Hydraulically cross-linked dampers$500 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$4,200$10,965
Value of Feature Adjustments$0$6,765
Value of Feature Adjustments0-6,297

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Specifications Comparison: Audi A4 / S4 / RS4 vs. Audi A6 / S6

Model Year20082015
ModelA4 / S4 / RS4A6 / S6
Body4dr Sedan4dr Sedan
Wheelbase104.3 in114.7 in
Length180.6 in193.9 in
Width69.8 in73.8 in
Height56.2 in57.8 in
Curb Weight3,957 lb.4,398 lb.
Fuel Capacity16.6 gal.19.8 gal.
Row 1 Headroom38.4 in37.2 in
Row 1 Shoulder Room55.1 in57.5 in
Row 1 Legroom41.3 in41.3 in
Row 2 Headroom37.2 in37.8 in
Row 2 Shoulder Room53.4 in56.3 in
Row 2 Legroom34.3 in37.4 in
Cargo Volume13.4 ft314.1 ft3

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Option Package Details
Audi A4 / S4 / RS4 RS4

Premium Package
FeatureValueRequested?
Navigation system600Yes
Heated second row seats200Yes
CD changer, remote-125No
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Memory system, driver seat200Yes
Bose, 215W, 10 speakers (with subwoofer)350No
SD Card slot25No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Total Requested202589%
Total Not Requested25011%

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100No
Total Requested20067%
Total Not Requested10033%
Warm Weather Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Total Requested350100%
Total Not Requested00%

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