Audi A6 / S6 Audi A6 / S6 2008 Mercedes-Benz C-Class Mercedes-Benz C-Class 2006

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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: $60,475

Mercedes-Benz C-Class C55   
Difference: $14,300

Lowest Total Invoice: $56,388

Mercedes-Benz C-Class C55   
Difference: $13,297

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082006
ModelA6 / S6C-Class
TrimS6C55
Body4dr Sedan4dr Sedan
Base Price $72,350 $54,450
Base Invoice $67,285 $50,639
Rear side airbags 350  
Xenon HID headlights   790
Metallic paint (extra cost)   690
Satellite radio   500
Bluetooth cell phone link   765
CD changer, remote   430
Wood trim   775
Rear side airbags 325  
Xenon HID headlights   735
Metallic paint (extra cost)   642
Satellite radio   465
Bluetooth cell phone link   711
CD changer, remote   400
Wood trim   721
Options (change) 350 3,950
Options (change) 325 3,674
Destination 775 775
Gas Tax 1,300 1,300
Total Price $74,775 $60,475
Total Invoice $69,685 $56,388

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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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Request free, no-obligation Audi A6 / S6 dealer quotes or Mercedes-Benz C-Class dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz C-Class C55
TrueDelta Adjusted Price Difference: $11,960
TrueDelta Adjusted Invoice Difference: $11,116
Model Year20082006
ModelA6 / S6C-Class
TrimS6C55
Body4dr Sedan4dr Sedan
Engine435hp V10362hp V8
TransmissionT6T5
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)14/19 MPG17/22 MPG
Audio (watts, speakers)330, 13320, 12
Tire (rear if not all the same)265/35-19225/40-18
Total Price$74,775$60,475
Adjustments for Features-2,3400
Feature-Adjusted Total Price$72,435$60,475
Total Invoice$69,685$56,388
Adjustments for Features-2,1810
Feature-Adjusted Total Invoice$67,504$56,388

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

Model Year20082006
ModelA6 / S6C-Class
TrimS6C55
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
5-speed manually-shiftable automatic $1000
AWD$1700 
RWD $0
Accessories 
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Tire-pressure monitor$75 
Cargo Management 
Cargo mat$40 
Cargo net$40 
Ski sack$50 
Storage compartment under front seat(s)$50 
Climate Control 
Intermittent wipers $0
Rain-sensing wipers$175 
Residual heat$50 
Exterior 
Body kit $0
Bodyside cladding$350 
Bodyside moldings $75
Rear spoiler $200
Infotainment 
CD player $125
Telematics service, such as OnStar $200
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Compass$0 
Power-folding mirrors$50 
Steering-linked headlights$150 
Seats and Interior Trim 
Aluminum trim $100
Manual lumbar adjuster, driver seat $50
Manual thigh support length adjuster, driver seat$50 
Manual tilt adjuster, passenger seat $50
Memory system, passenger seat $150
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 tilt adjuster, passenger seat$100 
Power-folding headrests, second row seats $50
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Ultra-sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$4,455$2,115
Value of Feature Adjustments$2,340$0
Value of Feature Adjustments-2,1810

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

Model Year20082006
ModelA6 / S6C-Class
Body4dr Sedan4dr Sedan
Wheelbase111.9 in106.9 in
Length193.5 in178.4 in
Width73.1 in68.0 in
Height57.5 in55.6 in
Curb Weight4,486 lb.3,540 lb.
Fuel Capacity21.1 gal.16.4 gal.
Row 1 Headroom38.7 in38.9 in
Row 1 Shoulder Room57.1 in53.1 in
Row 1 Hip Room0.0 in51.9 in
Row 1 Legroom41.3 in41.7 in
Row 2 Headroom37.8 in37.3 in
Row 2 Shoulder Room55.9 in54.3 in
Row 2 Hip Room0.0 in54.5 in
Row 2 Legroom36.9 in33.0 in
Cargo Volume15.9 ft312.2 ft3

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Option Package Details
Mercedes-Benz C-Class C55

Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%

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