Audi A6 / S6 Audi A6 / S6 2018 Mercedes-Benz C-Class Mercedes-Benz C-Class 2008

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Audi A6 / S6 vs. Mercedes-Benz C-Class 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 / S6 vs. Mercedes-Benz C-Class Invoice Comparison

Lowest Total Price: $61,490

Mercedes-Benz C-Class C63 AMG   
Difference: $12,460

Lowest Total Invoice: $57,366

Mercedes-Benz C-Class C63 AMG   
Difference: $11,479

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182008
ModelA6 / S6C-Class
TrimS6 4.0 TFSIC63 AMG
Body4dr Sedan4dr Sedan
Base Price $71,900 $53,800
Base Invoice $66,868 $50,034
Metallic paint (extra cost) 575 710
Sunshade, rear, power 500  
Multimedia Package   2,950
Premium II Package   1,080
iPod integration   375
Wood trim   0
Metallic paint (extra cost) 536 660
Sunshade, rear, power 466  
Multimedia Package   2,744
Premium II Package   1,004
iPod integration   349
Wood trim   0
Options (change) 1,075 5,115
Options (change) 1,002 4,757
Destination 975 875
Gas Tax 0 1,700
Total Price $73,950 $61,490
Total Invoice $68,845 $57,366

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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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TrueDelta Value Comparison: Audi A6 / S6 vs. Mercedes-Benz C-Class

Lowest Adjusted Price and Invoice: Mercedes-Benz C-Class C63 AMG
TrueDelta Adjusted Price Difference: $5,885
TrueDelta Adjusted Invoice Difference: $5,358
Model Year20182008
ModelA6 / S6C-Class
TrimS6 4.0 TFSIC63 AMG
Body4dr Sedan4dr Sedan
Engine450hp V8451hp V8
TransmissionS7T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)16/24 MPG12/19 MPG
Audio (watts, speakers)630, 14450, 12
Tire (rear if not all the same)255/35-20235/40-18
Total Price$73,950$61,490
Adjustments for Features-6,5750
Feature-Adjusted Total Price$67,375$61,490
Total Invoice$68,845$57,366
Adjustments for Features-6,1210
Feature-Adjusted Total Invoice$62,724$57,366

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Features Comparison: Audi A6 / S6 vs. Mercedes-Benz C-Class

Model Year20182008
ModelA6 / S6C-Class
TrimS6 4.0 TFSIC63 AMG
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Proximity key$250 
Remote window/roof operation $15
Sunshades, second row$125 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Blind spot warning system$200 
Collision preparation system, rear$100 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Rearview camera$200 
Rollover sensor$50 
Secondary collision brake assist$25 
Cargo Management 
Cargo net$40 
Climate Control 
Rear air vents $100
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Residual heat$50 
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Body kit $0
Laminated front side windows$200 
Rear spoiler $200
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
Apple CarPlay support$100 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
iPod integration $100
Traffic + travel information$25 
USB port$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Chronometer $100
Compass$0 
Fog lights $125
Headlight washers $50
Interior ambient lighting$150 
LED headlights$1000 
Steering-linked fog lights $50
Xenon HID headlights $500
Seats and Interior Trim 
Door sill trim plates $100
Illuminated door sill trim plates$200 
Manual lumbar adjuster, driver seat $50
Manual lumbar adjuster, passenger seat $50
Memory system, driver seat$200 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power-folding headrests, second row seats $50
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000 
Electronic systems calibration selector$200 
Total Value of Features$10,040$3,465
Value of Feature Adjustments$6,575$0
Value of Feature Adjustments-6,1210

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Specifications Comparison: Audi A6 / S6 vs. Mercedes-Benz C-Class

Model Year20182008
ModelA6 / S6C-Class
Body4dr Sedan4dr Sedan
Wheelbase114.6 in108.7 in
Length194.2 in182.3 in
Width73.8 in69.7 in
Height57.8 in56.3 in
Curb Weight4,398 lb.3,662 lb.
Fuel Capacity19.8 gal.17.4 gal.
Row 1 Headroom37.2 in37.1 in
Row 1 Shoulder Room57.5 in54.7 in
Row 1 Hip Room0.0 in52.3 in
Row 1 Legroom41.3 in41.7 in
Row 2 Headroom37.8 in36.9 in
Row 2 Shoulder Room56.3 in55.1 in
Row 2 Hip Room0.0 in54.9 in
Row 2 Legroom37.4 in33.4 in
Cargo Volume14.1 ft312.4 ft3

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Option Package Details
Mercedes-Benz C-Class C63 AMG

Multimedia Package
FeatureValueRequested?
Navigation system600Yes
CD changer, in-dash200No
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive, large15Yes
Harman/Kardon, 450W, 12 speakers (with subwoofer)350No
SD Card slot25Yes
Total Requested99064%
Total Not Requested55036%
Premium II Package
FeatureValueRequested?
Xenon HID headlights500Yes
Sunshade, rear, power225Yes
Headlight washers50No
Steering-linked fog lights50No
Total Requested72588%
Total Not Requested10012%

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