Audi A4 / S4 Audi A4 / S4 2021 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: $59,150

Audi A4 / S4 S4   
Difference: $23,690

Calculate Payments

  Down Payment Interest Rate Term
Model Year20212008
ModelA4 / S4A6 / S6
TrimS4S6
Body4dr Sedan4dr Sedan
Base Price $49,900 $72,350
Driver Assistance Package 1,800  
Prestige Package 4,400  
Cold Weather Package 500  
Metallic paint (extra cost) 575  
Cargo net 80  
Rear side airbags 350 350
Carbon fiber trim 500 400
Technology Package   3,350
iPod integration   290
Laminated front side windows   900
Lane departure warning   900
Adaptive cruise control   2,000
Heated second row seats   225
Driver Assistance Package 1,674  
Prestige Package 4,092  
Cold Weather Package 466  
Metallic paint (extra cost) 536  
Cargo net 74  
Rear side airbags 326 325
Carbon fiber trim 466 373
Technology Package   3,115
iPod integration   225
Laminated front side windows   838
Lane departure warning   838
Adaptive cruise control   1,860
Heated second row seats   209
Options (change) 8,205 8,415
Options (change) 7,634 7,783
Destination 1,045 775
Gas Tax 0 1,300
Total Price $59,150 $82,840

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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. Audi A6 / S6

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4
TrueDelta Adjusted Price Difference: $29,915
TrueDelta Adjusted Invoice Difference: $69,377
Model Year20212008
ModelA4 / S4A6 / S6
TrimS4S6
Body4dr Sedan4dr Sedan
Engine349hp V6435hp V10
TransmissionT8T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)20/28 MPG14/19 MPG
Audio (watts, speakers)755, 19330, 13
Tire (rear if not all the same)245/40-18265/35-19
Total Price$59,150$82,840
Adjustments for Features-6,2250
Feature-Adjusted Total Price$52,925$82,840

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

Model Year20212008
ModelA4 / S4A6 / S6
TrimS4S6
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manually-shiftable automatic $1100
AWD$1700$1700
Accessories 
Adaptive cruise control $600
Adaptive cruise control, all-speed, topography and road sign aware$1100 
Heated steering wheel$100 
Low-speed semi-autonomous driving$100 
Remote app$25 
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
Around view cameras$500 
Automatic braking, high-speed or partial$200 
Automatic braking, low-speed$200 
Blind spot warning system$200 
Collision preparation system, rear$100 
Cross-traffic warning, rear$100 
Driver drowsiness monitor$150 
Evasive maneuver assist$200 
Following distance indicator$25 
Forward collision warning$200 
Full-size spare tire $225
Knee airbag, driver$75 
Knee airbag, passenger$75 
Lane keeping assist$400 
Obstacle detection, front$150 
Pedestrian detection$50 
Radar- or camera-based collision preparation system$0 
Rearview camera $200
Rollover sensor$50 
Secondary collision brake assist$25 
Temporary spare tire$150 
Torque vectoring, brake-based$100 
Turn assist$25 
Vehicle exit assist$25 
Wide-view front camera$150 
Wide-view rear camera$0 
Cargo Management 
Air-conditioned storage compartment$50 
Cargo mat $40
Rear seat pass-through $100
Ski sack $50
Storage compartment under front seat(s) $50
Climate Control 
Rear air vents $100
Rear air vents with automatic controls$250 
Residual heat $50
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Body kit$0 
Bodyside cladding $350
Rear spoiler$200 
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
Apple CarPlay support$100 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, remote $200
CD player, remote$100 
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
iPod integration $100
Media drive$15 
SD Card slot$25 
Telematics service, such as OnStar$200 
Traffic + travel information$25 
USB port$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Boost gauge$75 
Head-up display (HUD)$350 
Headlight washers $50
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Large color reconfigurable instrument cluster display$250 
LED headlights$1000 
Mirror tilt-down in reverse $25
Predictive efficiency assist$0 
Road sign information$75 
Steering-linked headlights $150
Xenon HID headlights $500
Seats and Interior Trim 
Door sill trim plates $100
Illuminated door sill trim plates$200 
Leather door panel trim $250
Manual thigh support length adjuster, passenger seat$50 
Massage, driver seat$100 
Massage, passenger seat$100 
Metal pedals$75 
Synthetic suede door panel trim$250 
Synthetic suede inserts in leather seating surfaces$0 
Upholstered door armrests (optional)$0 
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Transmission 
Launch control$100 
Total Value of Features$12,665$6,440
Value of Feature Adjustments$6,225$0
Value of Feature Adjustments-9130

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

Model Year20212008
ModelA4 / S4A6 / S6
Body4dr Sedan4dr Sedan
Wheelbase111.0 in111.9 in
Length187.5 in193.5 in
Width72.7 in73.1 in
Height56.2 in57.5 in
Curb Weight3,847 lb.4,486 lb.
Fuel Capacity15.3 gal.21.1 gal.
Row 1 Headroom37.3 in38.7 in
Row 1 Shoulder Room55.9 in57.1 in
Row 1 Legroom41.3 in41.3 in
Row 2 Headroom37.4 in37.8 in
Row 2 Shoulder Room54.5 in55.9 in
Row 2 Legroom35.7 in36.9 in
Cargo Volume12.0 ft315.9 ft3

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Option Package Details
Audi A4 / S4 S4

Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200No
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400No
Following distance indicator25No
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Total Requested2009%
Total Not Requested197591%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350No
Laminated front side windows200Yes
Around view cameras300No
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable0No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250No
4G LTE connectivity0No
Handwriting recognition200No
Remote app25No
Speed limit information0No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
Media drive15No
Traffic + travel information25No
Total Requested87537%
Total Not Requested151563%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100No
Total Requested20067%
Total Not Requested10033%

Option Package Details
Audi A6 / S6 S6

Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested1400100%
Total Not Requested00%

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