Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2018 Audi A6 / S6 Audi A6 / S6 2018

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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: $65,370

Audi A4 / S4 / RS4 S4 3.0T   
Difference: $19,880

Lowest Total Invoice: $60,868

Audi A4 / S4 / RS4 S4 3.0T   
Difference: $18,492

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  Down Payment Interest Rate Term
Model Year20182018
ModelA4 / S4 / RS4A6 / S6
TrimS4 3.0TS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Base Price $51,400 $71,900
Base Invoice $47,802 $66,868
Prestige Package 4,400 2,500
Cold Weather Package 500 500
Warm Weather Package 950  
Driver Assistance Package 1,800 2,000
S Sport Package 2,500  
Metallic paint (extra cost) 575 575
Cargo net 80  
All-weather floor mats 190 200
Rear side airbags 350 350
Carbon fiber trim 500 500
Active steering 1,150  
Comfort Seating Package   1,850
Sport Package   3,900
Prestige Package 4,092 2,326
Cold Weather Package 466 467
Warm Weather Package 884  
Driver Assistance Package 1,674 1,860
S Sport Package 2,326  
Metallic paint (extra cost) 536 536
Cargo net 74  
All-weather floor mats 177 186
Rear side airbags 326 325
Carbon fiber trim 466 467
Active steering 1,070  
Comfort Seating Package   1,722
Sport Package   3,628
Options (change) 12,995 12,375
Options (change) 12,091 11,517
Destination 975 975
Total Price $65,370 $85,250
Total Invoice $60,868 $79,360

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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 A4 / S4 / RS4 S4 3.0T
TrueDelta Adjusted Price Difference: $20,030
TrueDelta Adjusted Invoice Difference: $18,632
Model Year20182018
ModelA4 / S4 / RS4A6 / S6
TrimS4 3.0TS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Engine354hp V6450hp V8
TransmissionT8S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)21/30 MPG16/24 MPG
Audio (watts, speakers)755, 19630, 14
Tire (rear if not all the same)245/40-18255/35-20
Total Price$65,370$85,250
Adjustments for Features-1500
Feature-Adjusted Total Price$65,220$85,250
Total Invoice$60,868$79,360
Adjustments for Features-1400
Feature-Adjusted Total Invoice$60,728$79,360

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

Model Year20182018
ModelA4 / S4 / RS4A6 / S6
TrimS4 3.0TS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed automated manual $1200
AWD$1700$1700
Accessories 
Adaptive cruise control, all-speed $1000
Adaptive cruise control, all-speed, topography and road sign aware$1300 
Hands-free trunk or liftgate $100
Low-speed semi-autonomous driving$200 
Power trunk closer $350
Remote app$25 
Sunshade, rear, power $225
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$200 
Cross-traffic warning, rear$100 
Driver drowsiness monitor$150 
Evasive maneuver assist$200 
Following distance indicator$25 
Lane departure prevention, steering-based $200
Lane keeping assist$400 
Pedestrian detection$50 
Torque vectoring, brake-based$100 
Turn assist$25 
Vehicle exit assist$25 
Cargo Management 
Air-conditioned storage compartment$50 
Rear seat pass-through $100
Climate Control and Infotainment 
CD player $125
CD player, remote$100 
Rear dual-zone climate control $125
Residual heat $50
Telematics service, such as OnStar$300 
Exterior 
Body kit$0 
Bright-finished exhaust tip(s)$25 
Rear spoiler$200 
Instruments, Lights, and Mirrors 
Boost gauge$75 
Fog lights$125 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Large color reconfigurable instrument cluster display$250 
Mirror tilt-down in reverse $25
Predictive efficiency assist$0 
Road sign information$75 
Powertrain 
Dual-mode exhaust, switchable $500
Launch control$100 
Seats and Interior Trim 
Leather door panel trim $250
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Memory system, passenger seat $150
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Synthetic suede door panel trim$250 
Upholstered door armrests (optional)$0 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable $1000
Total Value of Features$8,350$8,200
Value of Feature Adjustments$150$0
Value of Feature Adjustments-1400

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

Model Year20182018
ModelA4 / S4 / RS4A6 / S6
Body4dr Sedan4dr Sedan
Wheelbase111.0 in114.6 in
Length186.1 in194.2 in
Width72.5 in73.8 in
Height56.2 in57.8 in
Curb Weight3,858 lb.4,398 lb.
Fuel Capacity16.9 gal.19.8 gal.
Row 1 Headroom38.9 in37.2 in
Row 1 Shoulder Room55.9 in57.5 in
Row 1 Legroom41.3 in41.3 in
Row 2 Headroom37.4 in37.8 in
Row 2 Shoulder Room54.5 in56.3 in
Row 2 Legroom35.7 in37.4 in
Cargo Volume13.0 ft314.1 ft3

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Option Package Details
Audi A4 / S4 / RS4 S4 3.0T

Prestige Package
FeatureValueRequested?
Head-up display (HUD)350Yes
Laminated front side windows200Yes
Around view cameras300Yes
Wide-view front camera150Yes
Wide-view rear camera0Yes
Interior ambient lighting, configurable0No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250No
4G LTE connectivity50Yes
Handwriting recognition200Yes
Remote app25No
Speed limit information0No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio75Yes
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50Yes
Total Requested216589%
Total Not Requested27511%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125Yes
Total Requested425100%
Total Not Requested00%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400Yes
Following distance indicator25No
Low-speed semi-autonomous driving200No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware1050No
Total Requested80034%
Total Not Requested157566%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500No
Active rear differential500Yes
Painted brake calipers (optional)0Yes
Total Requested50050%
Total Not Requested50050%

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support length adjuster, driver seat100No
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh support length adjuster, passenger seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Memory system, passenger seat150No
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested50040%
Total Not Requested75060%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system100Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed750Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Total Requested1850100%
Total Not Requested00%
Prestige Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225No
Power trunk closer350No
Head-up display (HUD)350Yes
Around view cameras300Yes
Wide-view front camera150Yes
Hands-free trunk or liftgate100No
Wide-view rear camera0Yes
Total Requested92558%
Total Not Requested67542%
Sport Package
FeatureValueRequested?
Active steering1000Yes
Sport exhaust0No
Active rear differential500Yes
Painted brake calipers (optional)0Yes
Total Requested1500100%
Total Not Requested00%

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