Mercedes-Benz SLK Mercedes-Benz SLK 2014 Audi A6 / S6 Audi A6 / S6 2016

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Mercedes-Benz SLK 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.

Mercedes-Benz SLK vs. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $72,900

Audi A6 / S6 S6 4.0 TFSI   
Difference: $5,840

Lowest Total Invoice: $67,866

Audi A6 / S6 S6 4.0 TFSI   
Difference: $5,429

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142016
ModelSLKA6 / S6
TrimSLK55 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Base Price $68,925 $70,900
Base Invoice $64,100 $65,938
Automatic climate control, front 760  
Multimedia Package 2,150  
Lighting Package 1,390  
Obstacle detection, rear 970  
Metallic paint (extra cost) 720 575
Proximity key 650  
Carbon fiber trim 2,250 500
Automatic climate control, front 707  
Multimedia Package 2,000  
Lighting Package 1,293  
Obstacle detection, rear 902  
Metallic paint (extra cost) 670 536
Proximity key 605  
Carbon fiber trim 2,093 467
Options (change) 8,890 1,075
Options (change) 8,270 1,003
Destination 925 925
Total Price $78,740 $72,900
Total Invoice $73,295 $67,866

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

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $3,445
TrueDelta Adjusted Invoice Difference: $3,200
Model Year20142016
ModelSLKA6 / S6
TrimSLK55 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Engine415hp V8450hp V8
TransmissionT7S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)19/28 MPG18/27 MPG
Audio (watts, speakers)500, 11?, 10
Tire (rear if not all the same)235/40-18255/40-19
Total Price$78,740$72,900
Adjustments for Features-2,3950
Feature-Adjusted Total Price$76,345$72,900
Total Invoice$73,295$67,866
Adjustments for Features-2,2290
Feature-Adjusted Total Invoice$71,066$67,866

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

Model Year20142016
ModelSLKA6 / S6
TrimSLK55 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
RWD$0 
AWD $1700
Accessories 
Parking guidance system - passive$250 
Power rear side windows $200
Remote app$25 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Blind spot warning system $200
Collision preparation system, rear $100
Driver drowsiness monitor$150 
Rearview camera $200
Roll bar$200 
Rollover sensor $50
Secondary collision brake assist $25
Torque vectoring, brake-based$100 
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
Engine / Motor 
Regenerative braking $0
Exterior 
Body kit$0 
Glass roof panel(s)$300 
Laminated front side windows $200
Power retractable hardtop$6750 
Rear spoiler$200 
Sunroof $900
Infotainment 
4G LTE connectivity $0
App support$0 
CD changer, in-dash$325 
CD player $125
Handwriting recognition $200
iPod integration $100
Siri Eyes Free support $0
SMS text-to-speech reader$25 
Surround sound$250 
Telematics service, such as OnStar, with navigation$225 
USB port$25 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Headlight washers$50 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Steering-linked headlights$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 
Synthetic suede inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Total Value of Features$10,485$8,090
Value of Feature Adjustments$2,395$0
Value of Feature Adjustments-2,2290

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

Model Year20142016
ModelSLKA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in114.6 in
Length162.8 in194.2 in
Width71.5 in73.8 in
Height51.2 in57.8 in
Curb Weight3,583 lb.4,486 lb.
Fuel Capacity15.9 gal.19.8 gal.
Row 1 Headroom38.0 in37.2 in
Row 1 Shoulder Room52.2 in57.5 in
Row 1 Legroom42.5 in41.3 in
Row 2 Headroom0.0 in37.8 in
Row 2 Shoulder Room0.0 in56.3 in
Row 2 Legroom0.0 in37.4 in
Cargo Volume,
Minimum
6.4 ft314.1 ft3
Cargo Volume,
Maximum
10.1 ft314.1 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Multimedia Package
FeatureValueRequested?
CD changer, in-dash200No
DVD-compatible player0Yes
Media drive, large15Yes
Traffic + travel information25Yes
SD Card slot25Yes
In-vehicle Internet150Yes
App support0No
Voice control for nav and audio100Yes
Navigation system600Yes
Total Requested91582%
Total Not Requested20018%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Total Requested50056%
Total Not Requested40044%

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