Audi A6 Audi A6 2019 Mercedes-Benz SLK Mercedes-Benz SLK 2008

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Audi A6 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 A6 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $54,015

Mercedes-Benz SLK SLK280   
Difference: $4,635

Lowest Total Invoice: $50,294

Mercedes-Benz SLK SLK280   
Difference: $4,863

Calculate Payments

  Down Payment Interest Rate Term
Model Year20192019200820082008
ModelA6A6SLKSLKSLK
Trim4555SLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $54,100 $58,900 $44,150 $49,450 $63,200
Base Invoice $50,856 $55,368 $41,060 $45,988 $58,776
Competition Package 3,000 3,000      
Metallic paint (extra cost) 575 575 710 710 710
Premium II Package     3,995 3,995 1,410
Heating Package     980 980  
Lighting Package     1,010 1,010 1,010
Navigation system     1,200 1,200 1,200
Automatic climate control, front     720 720 720
iPod integration     375 375 375
Competition Package 2,790 2,790      
Metallic paint (extra cost) 536 536 659 659 659
Premium II Package     3,715 3,715 1,311
Heating Package     911 911  
Lighting Package     939 939 939
Navigation system     1,116 1,116 1,116
Automatic climate control, front     670 670 670
iPod integration     349 349 349
Options (change) 3,575 3,575 8,990 8,990 5,425
Options (change) 3,326 3,326 8,359 8,359 5,044
Destination 975 995 875 875 875
Gas Tax 0 0 0 0 1,300
Total Price $58,650 $63,470 $54,015 $59,315 $70,800
Total Invoice $55,157 $59,689 $50,294 $55,222 $65,995

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

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TrueDelta Value Comparison: Audi A6 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK280
TrueDelta Adjusted Price Difference: $2,690
TrueDelta Adjusted Invoice Difference: $3,034
Model Year20192019200820082008
ModelA6A6SLKSLKSLK
Trim4555SLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine335hp V6 H335hp V6 H228hp V6268hp V6355hp V8
TransmissionS7S7M6T7T7
DrivetrainAWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14630, 14380, 11380, 11380, 11
Tire (rear if not all the same)245/45-19245/45-19205/55-16225/45-17225/40-18
Total Price$58,650$63,470$54,015$59,315$70,800
Adjustments for Features-1,945-1,9450-1,050-1,300
Feature-Adjusted Total Price$56,705$61,525$54,015$58,265$69,500
Cost Above Minimum$0$4,820$0$4,250$15,485
Total Invoice$55,157$59,689$50,294$55,222$65,995
Adjustments for Features-1,829-1,8290-978-1,212
Feature-Adjusted Total Invoice$53,328$57,860$50,294$54,244$64,783
Cost Above Minimum$0$4,532$0$3,950$14,489

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Features Comparison: Audi A6 vs. Mercedes-Benz SLK

Model Year20192019200820082008
ModelA6A6SLKSLKSLK
Trim4555SLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200$1200   
6-speed manual  $150  
7-speed manually-shiftable automatic   $1200$1200
AWD$1700$1700   
RWD  $0$0$0
Accessories 
Power rear side windows$200$200   
Proximity key$250$250   
Remote window/roof operation  $15$15$15
Wind blocker, small  $100$100$100
Brakes, Airbags, and Other Safety 
Blind spot warning system$200$200   
Collision preparation system, rear$100$100   
Obstacle detection, front$150$150   
Obstacle detection, rear$250$250   
Rearview camera$200$200   
Rollover sensor$50$50   
Secondary collision brake assist$25$25   
Side curtain airbags$350$350   
Cargo Management 
Cargo net$40$40   
Rear seat pass-through$100$100   
Climate Control 
Automatic air recirculation$100$100   
Rear air vents with automatic controls$250$250   
Rear dual-zone climate control$125$125   
Drivetrain 
Active rear differential$500$500   
Engine / Motor 
Automatic start / stop$150$150   
Regenerative braking$0$0   
Exterior 
Black exterior trim (optional)$0$0   
Body kit    $0
Laminated front side windows$200$200   
Painted brake calipers (optional)$0$0   
Power retractable hardtop  $6750$6750$6750
Rear spoiler    $200
Sunroof$900$900   
Infotainment 
4G LTE connectivity$0$0   
Android Auto support$100$100   
Apple CarPlay support$100$100   
Bluetooth audio streaming$25$25   
DVD-compatible player$0$0   
Handwriting recognition$200$200   
HD radio$50$50   
In-vehicle Internet$150$150   
iPod integration  $100$100$100
Media drive$15$15   
MP3-compatible player$50$50   
SD Card slot$25$25   
Telematics service, such as OnStar  $200$200$200
Traffic + travel information$25$25   
USB port$25$25   
Voice control for nav and audio$100$100   
Wi-Fi hotspot$50$50   
Instruments, Lights, and Mirrors 
Analog clock  $25$25$25
Auto-dimming passenger-side mirror$75$75   
Compass$0$0   
Cornering lights  $50$50$50
Fog lights  $125$125$125
Headlight washers  $50$50$50
Illuminated visor mirror, driver$50$50   
Illuminated visor mirror, passenger$50$50   
LED headlights$1000$1000   
Power-folding mirrors$50$50   
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$100  $100
Center armrest(s), second row$50$50   
Door sill trim plates  $100$100$100
Folding second row seats$300$300   
Illuminated door sill trim plates$200$200   
Memory system, passenger seat  $150$150$150
Neck-level heating, front seats  $150$150 
No leather in second row  $-300$-300$-300
Synthetic suede inserts in leather seating surfaces    $0
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200$200   
Sport suspension (upgrade)$0$0  $0
Transmission 
Steering-wheel-mounted transmission controls$100$100  $100
Total Value of Features$10,130$10,130$8,185$9,235$9,485
Value of Feature Adjustments$1,945$1,945$0$1,050$1,300
Value of Feature Adjustments-1,829-1,8290-978-1,212

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Specifications Comparison: Audi A6 vs. Mercedes-Benz SLK

Model Year20192008
ModelA6SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase115.1 in95.7 in
Length194.4 in160.7 in
Width74.3 in70.4 in
Height57.4 in51.0 in
Curb Weight4,102 lb.3,210 lb.
Fuel Capacity19.3 gal.18.5 gal.
Row 1 Headroom38.0 in37.9 in
Row 1 Shoulder Room57.8 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.3 in42.5 in
Row 2 Headroom38.1 in0.0 in
Row 2 Shoulder Room56.5 in0.0 in
Row 2 Legroom37.4 in0.0 in
Cargo Volume,
Minimum
13.7 ft36.5 ft3
Cargo Volume,
Maximum
13.79.8 ft3

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Option Package Details
Audi A6 45

Competition Package
FeatureValueRequested?
Front sport buckets100Yes
Aluminum trim100Yes
Active rear differential500No
Painted brake calipers (optional)0No
Sport suspension (upgrade)250Yes
Upgraded leather upholstery0No
Power 4-way lumbar adjuster, passenger seat150Yes
Metal pedals75Yes
Dark-colored headliner (optional)0No
Leather door panel trim250Yes
Black exterior trim (optional)0No
Total Requested92565%
Total Not Requested50035%

Option Package Details
Audi A6 55

Competition Package
FeatureValueRequested?
Front sport buckets100Yes
Aluminum trim100Yes
Active rear differential500No
Painted brake calipers (optional)0No
Sport suspension (upgrade)250Yes
Upgraded leather upholstery0No
Power 4-way lumbar adjuster, passenger seat150Yes
Metal pedals75Yes
Dark-colored headliner (optional)0No
Leather door panel trim250Yes
Black exterior trim (optional)0No
Total Requested92565%
Total Not Requested50035%

Option Package Details
Mercedes-Benz SLK SLK280

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Tilt/telescoping steering wheel, power100Yes
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Auto-dimming driver-side mirror75Yes
Power height adjuster, driver seat50Yes
Remote window/roof operation15No
Power tilt adjuster, driver seat50Yes
Mirror tilt-down in reverse25Yes
Power recliner, driver seat100Yes
Interior ambient lighting150Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Total Requested247583%
Total Not Requested51517%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%

Option Package Details
Mercedes-Benz SLK SLK350

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Tilt/telescoping steering wheel, power100Yes
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Auto-dimming driver-side mirror75Yes
Power height adjuster, driver seat50Yes
Remote window/roof operation15No
Power tilt adjuster, driver seat50Yes
Mirror tilt-down in reverse25Yes
Power recliner, driver seat100Yes
Interior ambient lighting150Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Total Requested247583%
Total Not Requested51517%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

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