Audi A8 Audi A8 2012 Mercedes-Benz SLK Mercedes-Benz SLK 2007
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Audi A8 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 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $70,510

Mercedes-Benz SLK SLK55 AMG   
Difference: $9,115

Lowest Total Invoice: $65,718

Mercedes-Benz SLK SLK55 AMG   
Difference: $8,394

Calculate Payments

  Down Payment Interest Rate Term
Model Year20122007
ModelA8SLK
TrimA8SLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $78,750 $62,500
Base Invoice $73,237 $58,125
Lighting Package   1,000
Premium II Package   1,400
Metallic paint (extra cost)   700
Automatic climate control, front   710
Bluetooth cell phone link   925
Navigation system   1,200
Lighting Package   930
Premium II Package   1,302
Metallic paint (extra cost)   650
Automatic climate control, front   660
Bluetooth cell phone link   860
Navigation system   1,116
Options (change) 0 5,935
Options (change) 0 5,518
Destination 875 775
Gas Tax 0 1,300
Total Price $79,625 $70,510
Total Invoice $74,112 $65,718

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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 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $8,520
TrueDelta Adjusted Invoice Difference: $7,840
Model Year20122007
ModelA8SLK
TrimA8SLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Engine372hp V8355hp V8
TransmissionT8T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)14/21 MPG16/22 MPG
Audio (watts, speakers)630, 14380, 11
Tire (rear if not all the same)255/45-19225/40-18
Total Price$79,625$70,510
Adjustments for Features-5950
Feature-Adjusted Total Price$79,030$70,510
Total Invoice$74,112$65,718
Adjustments for Features-5540
Feature-Adjusted Total Invoice$73,558$65,718

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Features Comparison: Audi A8 vs. Mercedes-Benz SLK

Model Year20122007
ModelA8SLK
TrimA8SLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
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 
Rear side airbags$300 
Rollover sensor$50 
Side curtain airbags$350 
Tire-pressure monitor$75 
Cargo Management 
Air-conditioned storage compartment$50 
Climate Control 
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 
Media drive$15 
MP3-compatible player$50 
Telematics service, such as OnStar $200
Traffic information$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 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
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$9,265$8,670
Value of Feature Adjustments$595$0
Value of Feature Adjustments-5540

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

Specifications Comparison: Audi A8 vs. Mercedes-Benz SLK

Model Year20122007
ModelA8SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase117.8 in95.7 in
Length202.2 in160.7 in
Width76.7 in70.4 in
Height57.5 in51.0 in
Curb Weight4,729 lb.3,420 lb.
Fuel Capacity23.8 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		13.2 ft36.5 ft3
Cargo Volume,
Maximum		13.29.8 ft3

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See a complete comparison of Audi A8 vs. Mercedes-Benz SLK 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?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested30046%
Total Not Requested35054%

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