Mercedes-Benz SLK Mercedes-Benz SLK 2016 Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2018
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Mercedes-Benz SLK vs. Audi A6 / S6 / RS6 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 / RS6 Invoice Comparison

Lowest Total Price: $73,950

Audi A6 / S6 / RS6 S6 4.0 TFSI   
Difference: $6,445

Lowest Total Invoice: $68,846

Audi A6 / S6 / RS6 S6 4.0 TFSI   
Difference: $5,988

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162018
ModelSLKA6 / S6 / RS6
TrimAMG SLK55S6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Base Price $72,600 $71,900
Base Invoice $67,518 $66,868
Premium 2 Package 3,050  
Metallic paint (extra cost) 720 575
Illuminated door sill trim plates 850  
Carbon fiber trim 2,250 500
Premium 2 Package 2,837  
Metallic paint (extra cost) 670 536
Illuminated door sill trim plates 791  
Carbon fiber trim 2,093 467
Options (change) 6,870 1,075
Options (change) 6,391 1,003
Destination 925 975
Total Price $80,395 $73,950
Total Invoice $74,834 $68,846

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mercedes-Benz SLK dealer quotes or Audi A6 / S6 / RS6 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Mercedes-Benz SLK vs. Audi A6 / S6 / RS6

Lowest Adjusted Price and Invoice: Audi A6 / S6 / RS6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $5,075
TrueDelta Adjusted Invoice Difference: $4,713
Model Year20162018
ModelSLKA6 / S6 / RS6
TrimAMG SLK55S6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Engine415hp V8450hp V8
TransmissionT7S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)19/28 MPG16/24 MPG
Audio (watts, speakers)500, 11630, 14
Tire (rear if not all the same)235/40-18255/35-20
Total Price$80,395$73,950
Adjustments for Features-1,3700
Feature-Adjusted Total Price$79,025$73,950
Total Invoice$74,834$68,846
Adjustments for Features-1,2750
Feature-Adjusted Total Invoice$73,559$68,846

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Features Comparison: Mercedes-Benz SLK vs. Audi A6 / S6 / RS6

Model Year20162018
ModelSLKA6 / S6 / RS6
TrimAMG SLK55S6 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
Remote app$25 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Collision preparation system, rear $100
Driver drowsiness monitor$150 
Obstacle detection, front $150
Obstacle detection, rear $250
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
Android Auto support $100
App support$0 
Apple CarPlay support $100
Handwriting recognition $200
Navigation map updates, three years$0 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
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
LED headlights $1000
Steering-linked headlights$150 
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
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 
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Total Value of Features$10,135$8,765
Value of Feature Adjustments$1,370$0
Value of Feature Adjustments-1,2750

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See a complete comparison of Mercedes-Benz SLK vs. Audi A6 / S6 / RS6 features.

Specifications Comparison: Mercedes-Benz SLK vs. Audi A6 / S6 / RS6

Model Year20162018
ModelSLKA6 / S6 / RS6
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 Weight3,528 lb.4,398 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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See a complete comparison of Mercedes-Benz SLK vs. Audi A6 / S6 / RS6 specs.

Option Package Details
Mercedes-Benz SLK AMG SLK55

Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Blind spot warning system200Yes
In-vehicle Internet150Yes
App support0No
Navigation map updates, three years0No
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
SD Card slot25Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested1440100%
Total Not Requested00%

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