Mercedes-Benz SLK Mercedes-Benz SLK 2014 Audi A8 / S8 Audi A8 / S8 2008

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

Join Us

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: $77,120

Mercedes-Benz SLK SLK55 AMG   
Difference: $20,105

Lowest Total Invoice: $71,788

Mercedes-Benz SLK SLK55 AMG   
Difference: $18,825

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142008
ModelSLKA8 / S8
TrimSLK55 AMGS8
Body2dr Hardtop conv.4dr Sedan
Base Price $68,925 $93,300
Base Invoice $64,100 $86,771
Multimedia Package 2,150  
Lighting Package 1,390  
Automatic climate control, front 760  
Metallic paint (extra cost) 720  
Carbon fiber trim 2,250 500
Satellite radio   550
Multimedia Package 2,000  
Lighting Package 1,293  
Automatic climate control, front 707  
Metallic paint (extra cost) 670  
Carbon fiber trim 2,093 466
Satellite radio   501
Options (change) 7,270 1,050
Options (change) 6,763 967
Destination 925 775
Gas Tax 0 2,100
Total Price $77,120 $97,225
Total Invoice $71,788 $90,613

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 Mercedes-Benz SLK dealer quotes or Audi A8 / S8 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: Mercedes-Benz SLK vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $22,790
TrueDelta Adjusted Invoice Difference: $21,324
Model Year20142008
ModelSLKA8 / S8
TrimSLK55 AMGS8
Body2dr Hardtop conv.4dr Sedan
Engine415hp V8450hp V10
TransmissionT7T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)19/28 MPG13/19 MPG
Audio (watts, speakers)500, 11200, 12
Tire (rear if not all the same)235/40-18265/35-20
Total Price$77,120$97,225
Adjustments for Features-2,6850
Feature-Adjusted Total Price$74,435$97,225
Total Invoice$71,788$90,613
Adjustments for Features-2,4990
Feature-Adjusted Total Invoice$69,289$90,613

Return to top

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

Model Year20142008
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
Remote app$25 
Brakes, Airbags, and Other Safety 
Driver drowsiness monitor$150 
Full-size spare tire $225
Rear side airbags $300
Roll bar$200 
Temporary spare tire$150 
Torque vectoring, brake-based$100 
Climate Control 
Automatic air recirculation $100
Rear air vents $100
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Exterior 
Body kit$0 
Bodyside moldings $75
Glass roof panel(s)$300 
Power retractable hardtop$6750 
Rear spoiler$200 
Sunroof $900
Infotainment 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash$325 
CD changer, remote $200
DVD-compatible player$0 
HD radio$50 
In-vehicle Internet$150 
iPod integration $100
Media drive$15 
MP3-compatible player$50 
SD Card slot$25 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information$25 
USB port$25 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Compass$0 
Cornering lights $50
Fog lights $125
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
Center armrest(s), second row $50
Heated second row seats $200
Metal pedals$75 
Neck-level heating, front seats$150 
No leather in second row$-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 
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$10,985$8,300
Value of Feature Adjustments$2,685$0
Value of Feature Adjustments-2,4990

Return to top

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

Model Year20142008
ModelSLKA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in115.9 in
Length162.8 in199.3 in
Width71.5 in74.6 in
Height51.2 in56.9 in
Curb Weight3,583 lb.4,586 lb.
Fuel Capacity15.9 gal.23.8 gal.
Row 1 Headroom38.0 in37.3 in
Row 1 Shoulder Room52.2 in59.1 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
6.4 ft314.6 ft3
Cargo Volume,
Maximum
10.1 ft314.6 ft3

Return to top

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Multimedia Package
FeatureValueRequested?
CD changer, in-dash200Yes
DVD-compatible player0No
Media drive, large15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Voice control for nav and audio100Yes
Navigation system600Yes
Total Requested90081%
Total Not Requested21519%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Total Requested70078%
Total Not Requested20022%

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 Convertibles
See TrueDelta's information for all Mercedes-Benz models.