Mercedes-Benz SLK Mercedes-Benz SLK 2015 Audi A8 / S8 Audi A8 / S8 2018

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Mercedes-Benz SLK vs. Audi A8 / S8 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 A8 / S8 Invoice Comparison

Lowest Total Price: $79,505

Mercedes-Benz SLK SLK55 AMG   
Difference: $37,370

Lowest Total Invoice: $74,006

Mercedes-Benz SLK SLK55 AMG   
Difference: $34,757

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152018
ModelSLKA8 / S8
TrimSLK55 AMGS8 Plus
Body2dr Hardtop conv.4dr Sedan
Base Price $70,900 $115,900
Base Invoice $65,937 $107,788
Multimedia Package 2,330  
Automatic climate control, front 760  
Obstacle detection, rear 970  
Metallic paint (extra cost) 720  
Carbon fiber trim 2,250  
Proximity key 650  
Multimedia Package 2,167  
Automatic climate control, front 707  
Obstacle detection, rear 902  
Metallic paint (extra cost) 670  
Carbon fiber trim 2,093  
Proximity key 605  
Options (change) 7,680 0
Options (change) 7,144 0
Destination 925 975
Total Price $79,505 $116,875
Total Invoice $74,006 $108,763

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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 A8 / S8

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $32,700
TrueDelta Adjusted Invoice Difference: $30,411
Model Year20152018
ModelSLKA8 / S8
TrimSLK55 AMGS8 Plus
Body2dr Hardtop conv.4dr Sedan
Engine415hp V8605hp V8
TransmissionT7T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)19/28 MPG14/24 MPG
Audio (watts, speakers)500, 11630, 14
Tire (rear if not all the same)235/40-18275/35-21
Total Price$79,505$116,875
Adjustments for Features0-4,670
Feature-Adjusted Total Price$79,505$112,205
Total Invoice$74,006$108,763
Adjustments for Features0-4,346
Feature-Adjusted Total Invoice$74,006$104,417

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Features Comparison: Mercedes-Benz SLK vs. Audi A8 / S8

Model Year20152018
ModelSLKA8 / S8
TrimSLK55 AMGS8 Plus
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Active noise reduction $0
Hands-free trunk or liftgate $100
Parking guidance system - passive$250 
Power door closers $300
Power rear side windows $200
Power trunk closer $350
Remote app$25 
Sunshade, rear, power $225
Sunshades, second row, power $225
Brakes, Airbags, and Other Safety 
Around view cameras $500
Blind spot warning system $200
Brake- or yaw-sensor-initiated collision preparation system $0
Collision preparation system, rear $100
Driver drowsiness monitor$150 
Full-size spare tire $225
Rear side airbags $300
Roll bar$200 
Rollover sensor $50
Temporary spare tire$150 
Torque vectoring, brake-based$100 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Cargo net $40
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 
Exterior 
Glass roof panel(s)$300 
Laminated front side windows $200
Laminated rear side windows $100
Power retractable hardtop$6750 
Sunroof $900
Infotainment 
App support$0 
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 
Auto-dimming passenger-side mirror $75
Cornering lights $50
Head-up display (HUD) $350
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
Cooled or ventilated front seats $300
Massage, driver seat $100
Massage, passenger seat $100
Metal pedals$75 
Neck-level heating, front seats$150 
No leather in second row$-300 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power seat belt height adjusters, front row $25
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Power upper seatback recliner, driver seat $100
Power upper seatback recliner, passenger seat $100
Synthetic suede headliner $650
Synthetic suede inserts in leather seating surfaces$0 
Upholstered instrument panel $300
Suspension, Wheels, and Tires 
Active steering $1000
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Sport suspension (upgrade)$0 
Total Value of Features$10,120$14,790
Value of Feature Adjustments$0$4,670
Value of Feature Adjustments0-4,346

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Specifications Comparison: Mercedes-Benz SLK vs. Audi A8 / S8

Model Year20152018
ModelSLKA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in117.8 in
Length162.8 in202.6 in
Width71.5 in76.7 in
Height51.2 in57.4 in
Curb Weight3,583 lb.4,685 lb.
Fuel Capacity15.9 gal.21.7 gal.
Row 1 Headroom38.0 in37.2 in
Row 1 Shoulder Room52.2 in59.1 in
Row 1 Legroom42.5 in41.4 in
Row 2 Headroom0.0 in38.1 in
Row 2 Shoulder Room0.0 in57.8 in
Row 2 Legroom0.0 in38.7 in
Cargo Volume,
Minimum
6.4 ft314.2 ft3
Cargo Volume,
Maximum
10.1 ft314.2 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Multimedia Package
FeatureValueRequested?
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
SD Card slot25Yes
In-vehicle Internet150Yes
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested915100%
Total Not Requested00%

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