Mercedes-Benz SLK Mercedes-Benz SLK 2008 Audi A8 Audi A8 2012

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Mercedes-Benz SLK vs. Audi A8 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 Invoice Comparison

Lowest Total Price: $70,800

Mercedes-Benz SLK SLK55 AMG   
Difference: $9,575

Lowest Total Invoice: $65,995

Mercedes-Benz SLK SLK55 AMG   
Difference: $8,816

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082012
ModelSLKA8
TrimSLK55 AMGA8
Body2dr Hardtop conv.4dr Sedan
Base Price $63,200 $78,750
Base Invoice $58,776 $73,237
Lighting Package 1,010  
Premium II Package 1,410  
Metallic paint (extra cost) 710  
Navigation system 1,200  
iPod integration 375  
Automatic climate control, front 720  
Leather door panel trim   750
Lighting Package 939  
Premium II Package 1,311  
Metallic paint (extra cost) 659  
Navigation system 1,116  
iPod integration 349  
Automatic climate control, front 670  
Leather door panel trim   699
Options (change) 5,425 750
Options (change) 5,044 699
Destination 875 875
Gas Tax 1,300 0
Total Price $70,800 $80,375
Total Invoice $65,995 $74,811

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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 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $9,005
TrueDelta Adjusted Invoice Difference: $8,285
Model Year20082012
ModelSLKA8
TrimSLK55 AMGA8
Body2dr Hardtop conv.4dr Sedan
Engine355hp V8372hp V8
TransmissionT7T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)14/20 MPG14/21 MPG
Audio (watts, speakers)380, 11630, 14
Tire (rear if not all the same)225/40-18255/45-19
Total Price$70,800$80,375
Adjustments for Features0-570
Feature-Adjusted Total Price$70,800$79,805
Total Invoice$65,995$74,811
Adjustments for Features0-531
Feature-Adjusted Total Invoice$65,995$74,280

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Features Comparison: Mercedes-Benz SLK vs. Audi A8

Model Year20082012
ModelSLKA8
TrimSLK55 AMGA8
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 
Power rear side windows $200
Sunshade, rear, power $225
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Brake- or yaw-sensor-initiated collision preparation system $0
Full-size spare tire $225
Rear side airbags $300
Rollover sensor $50
Side curtain airbags $350
Temporary spare tire$150 
Cargo Management 
Air-conditioned storage compartment $50
Climate Control 
Automatic air recirculation $100
Rear air vents $100
Exterior 
Body kit$0 
Power retractable hardtop$6750 
Rear spoiler$200 
Sunroof $900
Infotainment 
Bluetooth audio streaming $25
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
iPod integration$100 
Media drive $15
MP3-compatible player $50
SD Card slot $25
Telematics service, such as OnStar$200 
Traffic information $25
USB port $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
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
Metal pedals$75 
No leather in second row$-300 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power seat belt height adjusters, front row $25
Power 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 inserts in leather seating surfaces$0 
Upholstered instrument panel $300
Wood trim $300
Suspension, Wheels, and Tires 
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 
Total Value of Features$8,695$9,265
Value of Feature Adjustments$0$570
Value of Feature Adjustments0-531

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Specifications Comparison: Mercedes-Benz SLK vs. Audi A8

Model Year20082012
ModelSLKA8
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in117.8 in
Length160.7 in202.2 in
Width70.4 in76.7 in
Height51.0 in57.5 in
Curb Weight3,420 lb.4,729 lb.
Fuel Capacity18.5 gal.23.8 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 ft313.2 ft3
Cargo Volume,
Maximum
9.8 ft313.2 ft3

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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 input50Yes
Total Requested40053%
Total Not Requested35047%

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