Mercedes-Benz SLK Mercedes-Benz SLK 2008 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: $70,800

Mercedes-Benz SLK SLK55 AMG   
Difference: $2,650

Lowest Total Invoice: $65,995

Mercedes-Benz SLK SLK55 AMG   
Difference: $2,384

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082018
ModelSLKA6 / S6
TrimSLK55 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Base Price $63,200 $71,900
Base Invoice $58,776 $66,868
Premium II Package 1,410  
Lighting Package 1,010  
Metallic paint (extra cost) 710 575
Automatic climate control, front 720  
iPod integration 375  
Navigation system 1,200  
Premium II Package 1,311  
Lighting Package 939  
Metallic paint (extra cost) 659 536
Automatic climate control, front 670  
iPod integration 349  
Navigation system 1,116  
Options (change) 5,425 575
Options (change) 5,044 536
Destination 875 975
Gas Tax 1,300 0
Total Price $70,800 $73,450
Total Invoice $65,995 $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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TrueDelta Value Comparison: Mercedes-Benz SLK vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $805
TrueDelta Adjusted Invoice Difference: $666
Model Year20082018
ModelSLKA6 / S6
TrimSLK55 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Engine355hp V8450hp V8
TransmissionT7S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)14/20 MPG16/24 MPG
Audio (watts, speakers)380, 11630, 14
Tire (rear if not all the same)225/40-18255/35-20
Total Price$70,800$73,450
Adjustments for Features0-1,845
Feature-Adjusted Total Price$70,800$71,605
Total Invoice$65,995$68,379
Adjustments for Features0-1,718
Feature-Adjusted Total Invoice$65,995$66,661

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

Model Year20082018
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
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Media drive $15
MP3-compatible player $50
SD Card slot $25
Telematics service, such as OnStar$200 
Traffic + travel information $25
USB port $25
Voice control for nav and audio $100
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$9,385$11,230
Value of Feature Adjustments$0$1,845
Value of Feature Adjustments0-1,718

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

Model Year20082018
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

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested40053%
Total Not Requested35047%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%

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