Audi A8 / S8 Audi A8 / S8 2017 Mercedes-Benz SLK Mercedes-Benz SLK 2006

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $53,080

Mercedes-Benz SLK SLK280   
Difference: $63,770

Lowest Total Invoice: $49,419

Mercedes-Benz SLK SLK280   
Difference: $59,319

Calculate Payments

  Down Payment Interest Rate Term
Model Year2017200620062006
ModelA8 / S8SLKSLKSLK
TrimS8 PlusSLK280SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $115,900 $42,900 $46,950 $61,500
Base Invoice $107,788 $39,897 $43,664 $57,195
Wood trim 0      
Lighting Package   990 990 990
Interior Trim Package   710 710  
Premium Package   1,200 1,200 1,470
Comfort Package   1,300 1,300  
Metallic paint (extra cost)   690 690 690
Heated front seats   690 690  
Bluetooth cell phone link   925 925 925
Navigation system   1,200 1,200  
Entertainment Package   1,700 1,700  
Satellite radio       500
Wood trim 0      
Lighting Package   921 921 921
Interior Trim Package   660 660  
Premium Package   1,116 1,116 1,367
Comfort Package   1,209 1,209  
Metallic paint (extra cost)   642 642 642
Heated front seats   642 642  
Bluetooth cell phone link   860 860 860
Navigation system   1,116 1,116  
Entertainment Package   1,581 1,581  
Satellite radio       465
Options (change) 0 9,405 9,405 4,575
Options (change) 0 8,747 8,747 4,255
Destination 950 775 775 775
Gas Tax 0 0 0 1,300
Total Price $116,850 $53,080 $57,130 $68,150
Total Invoice $108,738 $49,419 $53,186 $63,525

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Audi A8 / S8 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK280
TrueDelta Adjusted Price Difference: $54,810
TrueDelta Adjusted Invoice Difference: $50,981
Model Year2017200620062006
ModelA8 / S8SLKSLKSLK
TrimS8 PlusSLK280SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine605hp V8228hp V6268hp V6355hp V8
TransmissionT8M6M6T7
DrivetrainAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14380, 11380, 11?, 9
Tire (rear if not all the same)275/35-21205/55-16225/45-17225/40-18
Total Price$116,850$53,080$57,130$68,150
Adjustments for Features-8,96000-300
Feature-Adjusted Total Price$107,890$53,080$57,130$67,850
Cost Above Minimum$0$0$4,050$14,770
Total Invoice$108,738$49,419$53,186$63,525
Adjustments for Features-8,33800-280
Feature-Adjusted Total Invoice$100,400$49,419$53,186$63,245
Cost Above Minimum$0$0$3,767$13,826

Return to top

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

Model Year2017200620062006
ModelA8 / S8SLKSLKSLK
TrimS8 PlusSLK280SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300   
6-speed manual $150$150 
7-speed manually-shiftable automatic   $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   
Obstacle detection, front$150   
Obstacle detection, rear$250   
Rear side airbags$300   
Rollover sensor$50   
Side curtain airbags$350   
Tire-pressure monitor$75   
Wide-view front camera$150   
Wide-view rear camera$0   
Cargo Management 
Air-conditioned storage compartment$50   
Cargo net$40   
Climate Control 
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 
Aux input$50   
Bluetooth audio streaming$25   
DVD-compatible player$0   
Handwriting recognition$200   
HD radio$50   
In-vehicle Internet$150   
Media drive$15   
MP3-compatible player$50   
Navigation system$600$600$600 
Surround sound$250$250$250 
Telematics service, such as OnStar $200$200$200
Traffic + travel information$25   
Voice control for nav and audio$100   
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, 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   
Leather-wrapped steering wheel$150  $150
Massage, driver seat$100   
Massage, passenger seat$100   
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 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 inserts in leather seating surfaces   $0
Upholstered instrument panel$300   
Wood trim$300$300$300 
Wood/leather-wrapped steering wheel $150$150 
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$18,105$9,145$9,145$9,445
Value of Feature Adjustments$8,960$0$0$300
Value of Feature Adjustments-8,33800-280

Return to top

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

Model Year20172006
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

Return to top

Option Package Details
Mercedes-Benz SLK SLK280

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Variable assist steering (optional)0No
Remote window/roof operation15Yes
Total Requested490100%
Total Not Requested00%
Comfort 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 recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25Yes
Total Requested1300100%
Total Not Requested00%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Variable assist steering (optional)0No
Remote window/roof operation15Yes
Total Requested490100%
Total Not Requested00%
Comfort 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 recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25Yes
Total Requested1300100%
Total Not Requested00%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Total Requested475100%
Total Not Requested00%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Audi models.