Audi A8 / S8 Audi A8 / S8 2018 Mercedes-Benz SLK Mercedes-Benz SLK 2016

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Audi A8 / S8 vs. Mercedes-Benz SLK 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.

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

Lowest Total Price: $80,840

Mercedes-Benz SLK AMG SLK55   
Difference: $36,035

Lowest Total Invoice: $75,247

Mercedes-Benz SLK AMG SLK55   
Difference: $33,516

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182016
ModelA8 / S8SLK
TrimS8 PlusAMG SLK55
Body4dr Sedan2dr Hardtop conv.
Base Price $115,900 $72,600
Base Invoice $107,788 $67,518
Premium 2 Package   3,050
Premium 3 Package   1,295
Carbon fiber trim   2,250
Metallic paint (extra cost)   720
Premium 2 Package   2,837
Premium 3 Package   1,204
Carbon fiber trim   2,093
Metallic paint (extra cost)   670
Options (change) 0 7,315
Options (change) 0 6,804
Destination 975 925
Total Price $116,875 $80,840
Total Invoice $108,763 $75,247

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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 Audi A8 / S8 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK AMG SLK55
TrueDelta Adjusted Price Difference: $32,515
TrueDelta Adjusted Invoice Difference: $30,240
Model Year20182016
ModelA8 / S8SLK
TrimS8 PlusAMG SLK55
Body4dr Sedan2dr Hardtop conv.
Engine605hp V8415hp V8
TransmissionT8T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)14/24 MPG19/28 MPG
Audio (watts, speakers)630, 14500, 11
Tire (rear if not all the same)275/35-21235/40-18
Total Price$116,875$80,840
Adjustments for Features-3,5200
Feature-Adjusted Total Price$113,355$80,840
Total Invoice$108,763$75,247
Adjustments for Features-3,2760
Feature-Adjusted Total Invoice$105,487$75,247

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

Model Year20182016
ModelA8 / S8SLK
TrimS8 PlusAMG SLK55
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Active noise reduction$0 
Hands-free trunk or liftgate$100 
Power door closers$300 
Power rear side windows$200 
Power trunk closer$350 
Remote app $25
Semi-automated parking system $500
Sunshade, rear, power$225 
Sunshades, second row, power$225 
Brakes, Airbags, and Other Safety 
Around view cameras$500 
Brake- or yaw-sensor-initiated collision preparation system$0 
Collision preparation system, rear$100 
Driver drowsiness monitor $150
Full-size spare tire$225 
Lane departure warning $200
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 
Air suspension, auto-leveling and height adjustable$1000 
Electronic systems calibration selector$200 
Sport suspension (upgrade) $0
Total Value of Features$14,090$10,570
Value of Feature Adjustments$3,520$0
Value of Feature Adjustments-3,2760

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

Model Year20182016
ModelA8 / S8SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase117.8 in95.7 in
Length202.6 in162.8 in
Width76.7 in71.5 in
Height57.4 in51.2 in
Curb Weight4,685 lb.3,528 lb.
Fuel Capacity21.7 gal.15.9 gal.
Row 1 Headroom37.2 in38.0 in
Row 1 Shoulder Room59.1 in52.2 in
Row 1 Legroom41.4 in42.5 in
Row 2 Headroom38.1 in0.0 in
Row 2 Shoulder Room57.8 in0.0 in
Row 2 Legroom38.7 in0.0 in
Cargo Volume,
Minimum
14.2 ft36.4 ft3
Cargo Volume,
Maximum
14.210.1 ft3

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Option Package Details
Mercedes-Benz SLK AMG SLK55

Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Blind spot warning system200Yes
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 Requested1440100%
Total Not Requested00%
Premium 3 Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Lane departure warning system200No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Parking guidance system - active500No
Total Requested90056%
Total Not Requested70044%

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