Mercedes-Benz SLK Mercedes-Benz SLK 2008 Audi A8 / S8 Audi A8 / S8 2008
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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: $71,250

Mercedes-Benz SLK SLK55 AMG   
Difference: $25,475

Lowest Total Invoice: $66,413

Mercedes-Benz SLK SLK55 AMG   
Difference: $23,734

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008
ModelSLKA8 / S8
TrimSLK55 AMGS8
Body2dr Hardtop conv.4dr Sedan
Base Price $63,200 $93,300
Base Invoice $58,776 $86,771
Lighting Package 1,010  
Premium II Package 1,410  
Metallic paint (extra cost) 710  
Navigation system 1,200  
CD changer, remote 450  
Automatic climate control, front 720  
iPod integration 375  
Satellite radio   550
Lighting Package 939  
Premium II Package 1,311  
Metallic paint (extra cost) 659  
Navigation system 1,116  
CD changer, remote 418  
Automatic climate control, front 670  
iPod integration 349  
Satellite radio   501
Options (change) 5,875 550
Options (change) 5,462 501
Destination 875 775
Gas Tax 1,300 2,100
Total Price $71,250 $96,725
Total Invoice $66,413 $90,147

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

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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: $25,495
TrueDelta Adjusted Invoice Difference: $23,753
Model Year20082008
ModelSLKA8 / S8
TrimSLK55 AMGS8
Body2dr Hardtop conv.4dr Sedan
Engine355hp V8450hp V10
TransmissionT7T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)14/20 MPG13/19 MPG
Audio (watts, speakers)380, 11200, 12
Tire (rear if not all the same)225/40-18265/35-20
Total Price$71,250$96,725
Adjustments for Features-200
Feature-Adjusted Total Price$71,230$96,725
Total Invoice$66,413$90,147
Adjustments for Features-190
Feature-Adjusted Total Invoice$66,394$90,147

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

Model Year20082008
ModelSLKA8 / S8
TrimSLK55 AMGS8
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Power rear side windows $200
Power trunk / liftgate pull-down $50
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Full-size spare tire $225
Rear side airbags $300
Side curtain airbags $350
Temporary spare tire$150 
Climate Control 
Automatic air recirculation $100
Rear air vents $100
Exterior 
Body kit$0 
Bodyside moldings $75
Power retractable hardtop$6750 
Rear spoiler$200 
Sunroof $900
Infotainment 
Aux input$50 
CD player$125 
Telematics service, such as OnStar$200 
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming passenger-side mirror $75
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Power-folding mirrors $50
Steering-linked headlights $150
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
Aluminum trim$100 
Center armrest(s), second row $50
Heated second row seats $200
Metal pedals$75 
No leather in second row$-300 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
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 
Wood trim $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$8,795$8,775
Value of Feature Adjustments$20$0
Value of Feature Adjustments-190

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See a complete comparison of Mercedes-Benz SLK vs. Audi A8 / S8 features.

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

Model Year20082008
ModelSLKA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in115.9 in
Length160.7 in199.3 in
Width70.4 in74.6 in
Height51.0 in56.9 in
Curb Weight3,420 lb.4,586 lb.
Fuel Capacity18.5 gal.23.8 gal.
Row 1 Headroom37.9 in37.3 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 in38.0 in
Row 2 Shoulder Room0.0 in57.5 in
Row 2 Legroom0.0 in37.6 in
Cargo Volume,
Minimum		6.5 ft314.6 ft3
Cargo Volume,
Maximum		9.8 ft314.6 ft3

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See a complete comparison of Mercedes-Benz SLK vs. Audi A8 / S8 specs.

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50No
Total Requested35047%
Total Not Requested40053%

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