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

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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: $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 Year2009200920092017
ModelSLKSLKSLKA8 / S8
TrimSLK300SLK350SLK55 AMGS8 Plus
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $45,950 $50,950 $65,700 $115,900
Base Invoice $42,734 $47,384 $61,101 $107,788
Premium I Package 2,950 2,950    
Multimedia Package 2,980 2,980 2,980  
Heating Package 990 990    
Lighting Package 1,030 1,030 1,030  
Metallic paint (extra cost) 720 720 720  
Automatic climate control, front 730 730 730  
Wood trim       0
Premium I Package 2,744 2,744    
Multimedia Package 2,771 2,771 2,771  
Heating Package 921 921    
Lighting Package 958 958 958  
Metallic paint (extra cost) 670 670 670  
Automatic climate control, front 679 679 679  
Wood trim       0
Options (change) 9,400 9,400 5,460 0
Options (change) 8,743 8,743 5,078 0
Destination 875 875 875 950
Gas Tax 0 0 1,000 0
Total Price $56,225 $61,225 $73,035 $116,850
Total Invoice $52,352 $57,002 $68,054 $108,738

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK300
TrueDelta Adjusted Price Difference: $51,480
TrueDelta Adjusted Invoice Difference: $47,876
Model Year2009200920092017
ModelSLKSLKSLKA8 / S8
TrimSLK300SLK350SLK55 AMGS8 Plus
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine228hp V6300hp V6355hp V8605hp V8
TransmissionM6T7T7T8
DrivetrainRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)380, 11380, 11380, 11630, 14
Tire (rear if not all the same)225/45-17225/45-17225/40-18275/35-21
Total Price$56,225$61,225$73,035$116,850
Adjustments for Features0-1,050-1,300-9,145
Feature-Adjusted Total Price$56,225$60,175$71,735$107,705
Cost Above Minimum$0$3,950$15,510$0
Total Invoice$52,352$57,002$68,054$108,738
Adjustments for Features0-978-1,211-8,510
Feature-Adjusted Total Invoice$52,352$56,024$66,843$100,228
Cost Above Minimum$0$3,672$14,491$0

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

Model Year2009200920092017
ModelSLKSLKSLKA8 / S8
TrimSLK300SLK350SLK55 AMGS8 Plus
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
6-speed manual$150   
7-speed manually-shiftable automatic $1200$1200 
8-speed manually-shiftable automatic   $1300
RWD$0$0$0 
AWD   $1700
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$8,495$9,545$9,795$17,640
Value of Feature Adjustments$0$1,050$1,300$9,145
Value of Feature Adjustments0-978-1,211-8,510

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

Model Year20092017
ModelSLKA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in117.8 in
Length160.7 in202.6 in
Width70.4 in76.7 in
Height51.0 in57.4 in
Curb Weight3,210 lb.4,686 lb.
Fuel Capacity18.5 gal.21.7 gal.
Row 1 Headroom37.9 in37.2 in
Row 1 Shoulder Room52.2 in59.1 in
Row 1 Hip Room54.6 in0.0 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
6.5 ft314.2 ft3
Cargo Volume,
Maximum
9.8 ft314.2 ft3

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Option Package Details
Mercedes-Benz SLK SLK300

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%
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%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK350

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%
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%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

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%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

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