Mercedes-Benz SLK Mercedes-Benz SLK 2010 Audi A6 / S6 Audi A6 / S6 2018

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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: $73,450

Audi A6 / S6 S6 4.0 TFSI   
Difference: $445

Lowest Total Invoice: $68,379

Audi A6 / S6 S6 4.0 TFSI   
Difference: $475

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102018
ModelSLKA6 / S6
TrimSLK55 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Base Price $66,650 $71,900
Base Invoice $61,985 $66,868
Multimedia Package 2,850  
Lighting Package 1,050  
Metallic paint (extra cost) 720 575
Automatic climate control, front 750  
Multimedia Package 2,650  
Lighting Package 976  
Metallic paint (extra cost) 670 536
Automatic climate control, front 698  
Options (change) 5,370 575
Options (change) 4,994 536
Destination 875 975
Gas Tax 1,000 0
Total Price $73,895 $73,450
Total Invoice $68,854 $68,379

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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: $2,075
TrueDelta Adjusted Invoice Difference: $1,992
Model Year20102018
ModelSLKA6 / S6
TrimSLK55 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Engine355hp V8450hp V8
TransmissionT7S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)14/22 MPG16/24 MPG
Audio (watts, speakers)?, 9630, 14
Tire (rear if not all the same)225/40-18255/35-20
Total Price$73,895$73,450
Adjustments for Features0-1,630
Feature-Adjusted Total Price$73,895$71,820
Total Invoice$68,854$68,379
Adjustments for Features0-1,517
Feature-Adjusted Total Invoice$68,854$66,862

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

Model Year20102018
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 
Power rear side windows $200
Proximity key $250
Remote window/roof operation$15 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Blind spot warning system $200
Collision preparation system, rear $100
Obstacle detection, front $150
Obstacle detection, rear $250
Rearview camera $200
Rollover sensor $50
Secondary collision brake assist $25
Side curtain airbags $350
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 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Body kit$0 
Laminated front side windows $200
Power retractable hardtop$6750 
Rear spoiler$200 
Sunroof $900
Infotainment 
4G LTE connectivity $0
Android Auto support $100
Apple CarPlay support $100
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
Handwriting recognition $200
In-vehicle Internet $150
iPod integration$100 
Surround sound $250
Telematics service, such as OnStar$200 
Traffic + travel information $25
Traffic information$25 
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming passenger-side mirror $75
Compass $0
Cornering lights$50 
Fog lights$125 
Headlight washers$50 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
LED headlights $1000
Power-folding mirrors $50
Visor mirror, driver$10 
Visor mirror, passenger$10 
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim$100 
Center armrest(s), second row $50
Door sill trim plates$100 
Folding second row seats $300
Illuminated door sill trim plates $200
Memory system, passenger seat$150 
No leather in second row$-300 
Synthetic suede inserts in leather seating surfaces$0 
Wood trim $300
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Total Value of Features$9,735$11,365
Value of Feature Adjustments$0$1,630
Value of Feature Adjustments0-1,517

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

Model Year20102018
ModelSLKA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in114.6 in
Length160.7 in194.2 in
Width70.4 in73.8 in
Height51.0 in57.8 in
Curb Weight3,420 lb.4,398 lb.
Fuel Capacity18.5 gal.19.8 gal.
Row 1 Headroom37.9 in37.2 in
Row 1 Shoulder Room52.2 in57.5 in
Row 1 Hip Room54.6 in0.0 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
6.5 ft314.1 ft3
Cargo Volume,
Maximum
9.8 ft314.1 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50Yes
Media drive, large15Yes
SD Card slot25Yes
Total Requested1015100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%

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