Audi A8 / S8 Audi A8 / S8 2017 Mercedes-Benz SLK Mercedes-Benz SLK 2009

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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: $56,225

Mercedes-Benz SLK SLK300   
Difference: $60,625

Lowest Total Invoice: $52,352

Mercedes-Benz SLK SLK300   
Difference: $56,386

Calculate Payments

  Down Payment Interest Rate Term
Model Year2017200920092009
ModelA8 / S8SLKSLKSLK
TrimS8 PlusSLK300SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $115,900 $45,950 $50,950 $65,700
Base Invoice $107,788 $42,734 $47,384 $61,101
Wood trim 0      
Lighting Package   1,030 1,030 1,030
Multimedia Package   2,980 2,980 2,980
Heating Package   990 990  
Premium I Package   2,950 2,950  
Metallic paint (extra cost)   720 720 720
Automatic climate control, front   730 730 730
Wood trim 0      
Lighting Package   958 958 958
Multimedia Package   2,771 2,771 2,771
Heating Package   921 921  
Premium I Package   2,744 2,744  
Metallic paint (extra cost)   670 670 670
Automatic climate control, front   679 679 679
Options (change) 0 9,400 9,400 5,460
Options (change) 0 8,743 8,743 5,078
Destination 950 875 875 875
Gas Tax 0 0 0 1,000
Total Price $116,850 $56,225 $61,225 $73,035
Total Invoice $108,738 $52,352 $57,002 $68,054

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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: Audi A8 / S8 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK300
TrueDelta Adjusted Price Difference: $51,480
TrueDelta Adjusted Invoice Difference: $47,876
Model Year2017200920092009
ModelA8 / S8SLKSLKSLK
TrimS8 PlusSLK300SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine605hp V8228hp V6300hp V6355hp V8
TransmissionT8M6T7T7
DrivetrainAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14380, 11380, 11380, 11
Tire (rear if not all the same)275/35-21225/45-17225/45-17225/40-18
Total Price$116,850$56,225$61,225$73,035
Adjustments for Features-9,1450-1,050-1,300
Feature-Adjusted Total Price$107,705$56,225$60,175$71,735
Cost Above Minimum$0$0$3,950$15,510
Total Invoice$108,738$52,352$57,002$68,054
Adjustments for Features-8,5100-978-1,211
Feature-Adjusted Total Invoice$100,228$52,352$56,024$66,843
Cost Above Minimum$0$0$3,672$14,491

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

Model Year2017200920092009
ModelA8 / S8SLKSLKSLK
TrimS8 PlusSLK300SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300   
6-speed manual $150  
7-speed manually-shiftable automatic  $1200$1200
AWD$1700   
RWD $0$0$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   
Proximity key$250   
Sunshade, rear, power$225   
Sunshades, second row, power$225   
Wind blocker, small $100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0   
Around view cameras$500   
Blind spot warning system$200   
Brake- or yaw-sensor-initiated collision preparation system$0   
Collision preparation system, rear$100   
Full-size spare tire$225   
Obstacle detection, front$150   
Obstacle detection, rear$250   
Rear side airbags$300   
Rollover sensor$50   
Side curtain airbags$350   
Temporary spare tire $150$150$150
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 
Dual-mode exhaust, switchable$500   
Exterior 
Body kit$0  $0
Laminated front side windows$200   
Laminated rear side windows$100   
Power retractable hardtop $6750$6750$6750
Rear spoiler$200  $200
Sunroof$900   
Infotainment 
Bluetooth audio streaming$25   
CD changer, in-dash $325$325$325
CD player$125   
Handwriting recognition$200   
HD radio$50   
In-vehicle Internet$150   
iPod integration $100$100$100
Telematics service, such as OnStar $200$200$200
Traffic + travel information$25   
USB port$25   
Wi-Fi hotspot$50   
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200   
Auto-dimming passenger-side mirror$75   
Compass$0   
Fog lights $125$125$125
Head-up display (HUD)$350   
Illuminated visor mirror, driver$50   
Illuminated visor mirror, passenger$50   
Interior ambient lighting $150$150$150
Interior ambient lighting, configurable$150   
LED headlights$1000   
Power-folding mirrors$50   
Steering-linked headlights$150   
Visor mirror, driver $10$10$10
Visor mirror, passenger $10$10$10
Xenon HID headlights $500$500$500
Seats and Interior Trim 
Aluminum trim   $100
Center armrest(s), second row$50   
Cooled or ventilated front seats$300   
Massage, driver seat$100   
Massage, passenger seat$100   
Metal pedals $75$75$75
Neck-level heating, front seats $150$150 
No leather in second row $-300$-300$-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   
Wood trim$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
Transmission 
Steering-wheel-mounted transmission controls$100  $100
Total Value of Features$17,640$8,495$9,545$9,795
Value of Feature Adjustments$9,145$0$1,050$1,300
Value of Feature Adjustments-8,5100-978-1,211

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

Model Year20172009
ModelA8 / S8SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase117.8 in95.7 in
Length202.6 in160.7 in
Width76.7 in70.4 in
Height57.4 in51.0 in
Curb Weight4,686 lb.3,210 lb.
Fuel Capacity21.7 gal.18.5 gal.
Row 1 Headroom37.2 in37.9 in
Row 1 Shoulder Room59.1 in52.2 in
Row 1 Hip Room0.0 in54.6 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 ft36.5 ft3
Cargo Volume,
Maximum
14.29.8 ft3

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Option Package Details
Mercedes-Benz SLK SLK300

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25Yes
Total Requested99074%
Total Not Requested35026%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium I Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150Yes
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15Yes
Mirror tilt-down in reverse25Yes
Interior ambient lighting150Yes
iPod integration100Yes
Total Requested2340100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25Yes
Total Requested99074%
Total Not Requested35026%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium I Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150Yes
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15Yes
Mirror tilt-down in reverse25Yes
Interior ambient lighting150Yes
iPod integration100Yes
Total Requested2340100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25Yes
Total Requested99074%
Total Not Requested35026%

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