Audi A6 / S6 Audi A6 / S6 2014 Mercedes-Benz SLC Mercedes-Benz SLC 2017
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Audi A6 / S6 vs. Mercedes-Benz SLC 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 A6 / S6 vs. Mercedes-Benz SLC Invoice Comparison

Lowest Total Price: $71,335

Mercedes-Benz SLC AMG SLC43   
Difference: $8,560

Lowest Total Invoice: $66,407

Mercedes-Benz SLC AMG SLC43   
Difference: $7,961

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142017
ModelA6 / S6SLC
TrimS6 4.0 TFSIAMG SLC43
Body4dr Sedan2dr Hardtop conv.
Base Price $73,400 $60,300
Base Invoice $68,262 $56,079
Driver Assistance Package 2,800  
Metallic paint (extra cost) 500 720
Wood trim, alternative type 900 950
LED headlights 1,400  
Premium 3 Package   7,100
Adaptive dampers - electrical   990
Illuminated door sill trim plates   350
Driver Assistance Package 2,604  
Metallic paint (extra cost) 467 670
Wood trim, alternative type 838 883
LED headlights 1,302  
Premium 3 Package   6,603
Adaptive dampers - electrical   921
Illuminated door sill trim plates   326
Options (change) 5,600 10,110
Options (change) 5,211 9,403
Destination 895 925
Total Price $79,895 $71,335
Total Invoice $74,368 $66,407

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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 A6 / S6 dealer quotes or Mercedes-Benz SLC dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A6 / S6 vs. Mercedes-Benz SLC

Lowest Adjusted Price and Invoice: Mercedes-Benz SLC AMG SLC43
TrueDelta Adjusted Price Difference: $11,655
TrueDelta Adjusted Invoice Difference: $10,842
Model Year20142017
ModelA6 / S6SLC
TrimS6 4.0 TFSIAMG SLC43
Body4dr Sedan2dr Hardtop conv.
Engine420hp V8362hp V6
TransmissionS7T9
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)17/27 MPG20/29 MPG
Audio (watts, speakers)630, 14500, 11
Tire (rear if not all the same)255/40-19235/40-18
Total Price$79,895$71,335
Adjustments for Features0-3,095
Feature-Adjusted Total Price$79,895$68,240
Total Invoice$74,368$66,407
Adjustments for Features0-2,881
Feature-Adjusted Total Invoice$74,368$63,526

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Features Comparison: Audi A6 / S6 vs. Mercedes-Benz SLC

Model Year20142017
ModelA6 / S6SLC
TrimS6 4.0 TFSIAMG SLC43
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
9-speed manually-shiftable automatic $1400
AWD$1700 
RWD $0
Accessories 
Power rear side windows$200 
Remote app $25
Remote climate control $25
Remote start via app $75
Remote window/roof operation $15
Semi-automated parking system $500
Wind blocker, small $100
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
Collision preparation system, rear$100 
Driver drowsiness monitor $150
Lane departure prevention$150 
Rearview camera $200
Roll bar $200
Rollover sensor$50 
Torque vectoring, brake-based $100
Wide-view front camera$150 
Wide-view rear camera$0 
Cargo Management 
Cargo net$40 
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation$100 
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Residual heat$50 
Drivetrain 
Active rear differential$500 
Engine / Motor 
Automatic start / stop $150
Regenerative braking$0 
Exterior 
Body kit$0 
Glass roof panel(s) $300
Power retractable hardtop $6750
Rear spoiler $200
Sunroof$900 
Infotainment 
Android Auto support $100
App support $0
Apple CarPlay support $100
Aux input$50 
Handwriting recognition$200 
iPod integration$100 
Navigation map updates, three years $0
SD Card slot $25
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
USB port $25
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Cornering lights$50 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Center armrest(s), second row$50 
Folding second row seats$300 
Memory system, passenger seat $150
Neck-level heating, front seats $150
No leather in second row $-300
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000 
Total Value of Features$8,190$11,285
Value of Feature Adjustments$0$3,095
Value of Feature Adjustments0-2,881

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz SLC features.

Specifications Comparison: Audi A6 / S6 vs. Mercedes-Benz SLC

Model Year20142017
ModelA6 / S6SLC
Body4dr Sedan2dr Hardtop conv.
Wheelbase114.7 in95.7 in
Length193.9 in162.8 in
Width73.8 in71.5 in
Height57.8 in51.3 in
Curb Weight4,398 lb.3,541 lb.
Fuel Capacity19.8 gal.15.9 gal.
Row 1 Headroom37.2 in38.0 in
Row 1 Shoulder Room57.5 in52.2 in
Row 1 Legroom41.3 in42.5 in
Row 2 Headroom37.8 in0.0 in
Row 2 Shoulder Room56.3 in0.0 in
Row 2 Legroom37.4 in0.0 in
Cargo Volume,
Minimum		14.1 ft36.4 ft3
Cargo Volume,
Maximum		14.110.1 ft3

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz SLC specs.

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Lane departure prevention system150No
Around view cameras300No
Automatic braking, low-speed200Yes
Forward collision alert200Yes
Wide-view front camera150No
Wide-view rear camera0No
Total Requested130068%
Total Not Requested60032%

Option Package Details
Mercedes-Benz SLC AMG SLC43

Premium 3 Package
FeatureValueRequested?
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Semi-automated parking system500No
Interior ambient lighting, configurable0No
Apple CarPlay support100No
Android Auto support100No
Automatic climate control, front200Yes
CD player125Yes
Steering-linked headlights150Yes
Dual-zone climate control125Yes
MP3-compatible player50Yes
Auto-dimming headlights200No
LED headlights1000Yes
Smartphone integration0No
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio75Yes
Total Requested386581%
Total Not Requested90019%

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