Audi A6 / S6 Audi A6 / S6 2008 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: $70,795

Mercedes-Benz SLC AMG SLC43   
Difference: $10,570

Lowest Total Invoice: $65,905

Mercedes-Benz SLC AMG SLC43   
Difference: $9,866

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082017
ModelA6 / S6SLC
TrimS6AMG SLC43
Body4dr Sedan2dr Hardtop conv.
Base Price $72,350 $60,300
Base Invoice $67,285 $56,079
Technology Package 3,350  
iPod integration 290  
Carbon fiber trim 400 1,750
Lane departure warning 900  
Adaptive cruise control 2,000  
Premium 3 Package   7,100
Metallic paint (extra cost)   720
Technology Package 3,115  
iPod integration 225  
Carbon fiber trim 373 1,628
Lane departure warning 838  
Adaptive cruise control 1,860  
Premium 3 Package   6,603
Metallic paint (extra cost)   670
Options (change) 6,940 9,570
Options (change) 6,411 8,901
Destination 775 925
Gas Tax 1,300 0
Total Price $81,365 $70,795
Total Invoice $75,771 $65,905

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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 A6 / S6 vs. Mercedes-Benz SLC

Lowest Adjusted Price and Invoice: Mercedes-Benz SLC AMG SLC43
TrueDelta Adjusted Price Difference: $18,465
TrueDelta Adjusted Invoice Difference: $17,216
Model Year20082017
ModelA6 / S6SLC
TrimS6AMG SLC43
Body4dr Sedan2dr Hardtop conv.
Engine435hp V10362hp V6
TransmissionT6T9
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)14/19 MPG20/29 MPG
Audio (watts, speakers)330, 13500, 11
Tire (rear if not all the same)265/35-19235/40-18
Total Price$81,365$70,795
Adjustments for Features0-7,895
Feature-Adjusted Total Price$81,365$62,900
Total Invoice$75,771$65,905
Adjustments for Features0-7,350
Feature-Adjusted Total Invoice$75,771$58,555

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

Model Year20082017
ModelA6 / S6SLC
TrimS6AMG SLC43
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
9-speed manually-shiftable automatic $1400
AWD$1700 
RWD $0
Accessories 
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
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 
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Blind spot warning system $200
Driver drowsiness monitor $150
Forward collision warning $200
Full-size spare tire$225 
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Radar- or camera-based collision preparation system $0
Roll bar $200
Temporary spare tire $150
Torque vectoring, brake-based $100
Cargo Management 
Cargo mat$40 
Cargo net$40 
Rear seat pass-through$100 
Ski sack$50 
Storage compartment under front seat(s)$50 
Climate Control 
Automatic air recirculation$100 
Rear air vents$100 
Residual heat$50 
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Exterior 
Bodyside cladding$350 
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
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Media drive $15
Navigation map updates, three years $0
SD Card slot $25
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
Traffic + travel information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Fog lights$125 
Headlight washers$50 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
LED headlights $1000
Visor mirror, driver $10
Visor mirror, passenger $10
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row$50 
Folding second row seats$300 
Manual thigh support length adjuster, driver seat$50 
Memory system, passenger seat $150
Metal pedals $75
Neck-level heating, front seats $150
No leather in second row $-300
Suspension, Wheels, and Tires 
Electronic systems calibration selector $200
Total Value of Features$7,305$15,200
Value of Feature Adjustments$0$7,895
Value of Feature Adjustments0-7,350

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

Model Year20082017
ModelA6 / S6SLC
Body4dr Sedan2dr Hardtop conv.
Wheelbase111.9 in95.7 in
Length193.5 in162.8 in
Width73.1 in71.5 in
Height57.5 in51.3 in
Curb Weight4,486 lb.3,541 lb.
Fuel Capacity21.1 gal.15.9 gal.
Row 1 Headroom38.7 in38.0 in
Row 1 Shoulder Room57.1 in52.2 in
Row 1 Legroom41.3 in42.5 in
Row 2 Headroom37.8 in0.0 in
Row 2 Shoulder Room55.9 in0.0 in
Row 2 Legroom36.9 in0.0 in
Cargo Volume,
Minimum
15.9 ft36.4 ft3
Cargo Volume,
Maximum
15.910.1 ft3

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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%

Option Package Details
Mercedes-Benz SLC AMG SLC43

Premium 3 Package
FeatureValueRequested?
Lane departure warning system200Yes
Adaptive cruise control, all-speed700No
Blind spot warning system200No
Obstacle detection, front150No
Obstacle detection, rear250Yes
Semi-automated parking system500No
LED headlights1000No
Smartphone integration0No
Interior ambient lighting, configurable0No
Apple CarPlay support100No
Android Auto support100No
Automatic climate control, front200Yes
CD player125No
Steering-linked headlights150Yes
Dual-zone climate control125Yes
MP3-compatible player50Yes
Auto-dimming headlights200No
Navigation map updates, three years0No
DVD-compatible player0No
Media drive15No
Traffic + travel information25No
App support0No
Navigation system600Yes
Voice control for nav and audio75Yes
Total Requested165035%
Total Not Requested311565%

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