Mercedes-Benz SLK Mercedes-Benz SLK 2008 Audi A6 Audi A6 2006
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Mercedes-Benz SLK vs. Audi A6 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 A6 Invoice Comparison

Lowest Total Price: $56,790

Audi A6 4.2   
Difference: $14,085

Lowest Total Invoice: $52,372

Audi A6 4.2   
Difference: $13,692

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082006
ModelSLKA6
TrimSLK55 AMG4.2
Body2dr Hardtop conv.4dr Sedan
Base Price $63,200 $53,770
Base Invoice $58,776 $49,559
Premium II Package 1,410  
Lighting Package 1,010  
Metallic paint (extra cost) 710  
Automatic climate control, front 720  
CD changer, remote 450  
Navigation system 1,200 1,800
Front sport buckets   500
Premium II Package 1,311  
Lighting Package 939  
Metallic paint (extra cost) 659  
Automatic climate control, front 670  
CD changer, remote 418  
Navigation system 1,116 1,638
Front sport buckets   455
Options (change) 5,500 2,300
Options (change) 5,113 2,093
Destination 875 720
Gas Tax 1,300 0
Total Price $70,875 $56,790
Total Invoice $66,064 $52,372

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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

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

Request free, no-obligation Mercedes-Benz SLK dealer quotes or Audi A6 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 A6

Lowest Adjusted Price and Invoice: Audi A6 4.2
TrueDelta Adjusted Price Difference: $10,390
TrueDelta Adjusted Invoice Difference: $10,248
Model Year20082006
ModelSLKA6
TrimSLK55 AMG4.2
Body2dr Hardtop conv.4dr Sedan
Engine355hp V8335hp V8
TransmissionT7T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)14/20 MPG17/23 MPG
Audio (watts, speakers)380, 11330, 13
Tire (rear if not all the same)225/40-18245/45-17
Total Price$70,875$56,790
Adjustments for Features-3,6950
Feature-Adjusted Total Price$67,180$56,790
Total Invoice$66,064$52,372
Adjustments for Features-3,4440
Feature-Adjusted Total Invoice$62,620$52,372

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Features Comparison: Mercedes-Benz SLK vs. Audi A6

Model Year20082006
ModelSLKA6
TrimSLK55 AMG4.2
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
Remote window/roof operation$15 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Knee airbag, driver$75 
Knee airbag, passenger$75 
Side curtain airbags $350
Cargo Management 
Cargo net $40
Storage compartment under front seat(s) $50
Climate Control 
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 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming passenger-side mirror $75
Compass $0
Cornering lights$50 
Headlight washers$50 
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
Folding second row seats $300
Manual thigh support length adjuster, driver seat $50
Memory system, passenger seat$150 
Synthetic suede inserts in leather seating surfaces$0 
Wood trim $300
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$9,285$5,590
Value of Feature Adjustments$3,695$0
Value of Feature Adjustments-3,4440

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See a complete comparison of Mercedes-Benz SLK vs. Audi A6 features.

Specifications Comparison: Mercedes-Benz SLK vs. Audi A6

Model Year20082006
ModelSLKA6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in111.9 in
Length160.7 in193.5 in
Width70.4 in73.1 in
Height51.0 in57.5 in
Curb Weight3,420 lb.4,145 lb.
Fuel Capacity18.5 gal.21.1 gal.
Row 1 Headroom37.9 in38.7 in
Row 1 Shoulder Room52.2 in57.1 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in41.3 in
Row 2 Headroom0.0 in37.8 in
Row 2 Shoulder Room0.0 in55.9 in
Row 2 Legroom0.0 in36.9 in
Cargo Volume,
Minimum		6.5 ft315.9 ft3
Cargo Volume,
Maximum		9.8 ft315.9 ft3

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See a complete comparison of Mercedes-Benz SLK vs. Audi A6 specs.

Option Package Details
Mercedes-Benz SLK SLK55 AMG

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%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%

Option Package Details
Audi A6 4.2

Navigation system
FeatureValueRequested?
Navigation system600Yes
Trip computer150Yes
Outside temperature display50Yes
Total Requested800100%
Total Not Requested00%
Front sport buckets
FeatureValueRequested?
Front sport buckets100Yes
Manual thigh support adjuster, driver seat50No
Total Requested10067%
Total Not Requested5033%

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