Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 Mercedes-Benz C-Class Mercedes-Benz C-Class 2006
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Audi A4 / S4 / RS4 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 A4 / S4 / RS4 vs. Mercedes-Benz C-Class Invoice Comparison

Lowest Total Price: $62,405

Mercedes-Benz C-Class C55   
Difference: $11,730

Lowest Total Invoice: $58,182

Mercedes-Benz C-Class C55   
Difference: $10,965

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082006
ModelA4 / S4 / RS4C-Class
TrimRS4C55
Body4dr Sedan4dr Sedan
Base Price $66,910 $54,450
Base Invoice $62,227 $50,639
Premium Package 4,000 925
Rear side airbags 350  
Aluminum trim 0  
Xenon HID headlights   790
Metallic paint (extra cost)   690
Satellite radio   500
Bluetooth cell phone link   765
Navigation system   2,210
Premium Package 3,720 860
Rear side airbags 325  
Aluminum trim 0  
Xenon HID headlights   735
Metallic paint (extra cost)   642
Satellite radio   465
Bluetooth cell phone link   711
Navigation system   2,055
Options (change) 4,350 5,880
Options (change) 4,045 5,468
Destination 775 775
Gas Tax 2,100 1,300
Total Price $74,135 $62,405
Total Invoice $69,147 $58,182

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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 Audi A4 / S4 / RS4 dealer quotes or Mercedes-Benz C-Class 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: Audi A4 / S4 / RS4 vs. Mercedes-Benz C-Class

Lowest Adjusted Price and Invoice: Mercedes-Benz C-Class C55
TrueDelta Adjusted Price Difference: $10,480
TrueDelta Adjusted Invoice Difference: $9,799
Model Year20082006
ModelA4 / S4 / RS4C-Class
TrimRS4C55
Body4dr Sedan4dr Sedan
Engine420hp V8362hp V8
TransmissionM6T5
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)13/20 MPG17/22 MPG
Audio (watts, speakers)215, 10320, 12
Tire (rear if not all the same)255/35-19225/40-18
Total Price$74,135$62,405
Adjustments for Features-1,2500
Feature-Adjusted Total Price$72,885$62,405
Total Invoice$69,147$58,182
Adjustments for Features-1,1660
Feature-Adjusted Total Invoice$67,981$58,182

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Features Comparison: Audi A4 / S4 / RS4 vs. Mercedes-Benz C-Class

Model Year20082006
ModelA4 / S4 / RS4C-Class
TrimRS4C55
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
5-speed manually-shiftable automatic $1000
AWD$1700 
RWD $0
Accessories 
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 
Obstacle detection, rear$250 
Tire-pressure monitor$75 
Cargo Management 
Cargo net$40 
Ski sack$50 
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents $100
Infotainment 
CD player $125
Surround sound $250
Telematics service, such as OnStar $200
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Compass$0 
Mirror tilt-down in reverse $25
Power-folding mirrors$50 
Steering-linked headlights$150 
Seats and Interior Trim 
Heated second row seats$200 
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 fore-aft adjuster, driver seat $100
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power height adjuster, driver seat $100
Power recliner, driver seat $100
Power tilt adjuster, driver seat $100
Power tilt adjuster, passenger seat$100 
Power-folding headrests, second row seats $50
Suspension, Wheels, and Tires 
Hydraulically cross-linked dampers$500 
Total Value of Features$4,115$2,865
Value of Feature Adjustments$1,250$0
Value of Feature Adjustments-1,1660

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See a complete comparison of Audi A4 / S4 / RS4 vs. Mercedes-Benz C-Class features.

Specifications Comparison: Audi A4 / S4 / RS4 vs. Mercedes-Benz C-Class

Model Year20082006
ModelA4 / S4 / RS4C-Class
Body4dr Sedan4dr Sedan
Wheelbase104.3 in106.9 in
Length180.6 in178.4 in
Width69.8 in68.0 in
Height56.2 in55.6 in
Curb Weight3,957 lb.3,540 lb.
Fuel Capacity16.6 gal.16.4 gal.
Row 1 Headroom38.4 in38.9 in
Row 1 Shoulder Room55.1 in53.1 in
Row 1 Hip Room0.0 in51.9 in
Row 1 Legroom41.3 in41.7 in
Row 2 Headroom37.2 in37.3 in
Row 2 Shoulder Room53.4 in54.3 in
Row 2 Hip Room0.0 in54.5 in
Row 2 Legroom34.3 in33.0 in
Cargo Volume13.4 ft312.2 ft3

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See a complete comparison of Audi A4 / S4 / RS4 vs. Mercedes-Benz C-Class specs.

Option Package Details
Audi A4 / S4 / RS4 RS4

Premium Package
FeatureValueRequested?
Navigation system600Yes
Heated second row seats200No
CD changer, remote-125Yes
Sunshades, second row125No
Sunshade, rear, power225Yes
Memory system, driver seat200Yes
Bose, 215W, 10 speakers (with subwoofer)350No
SD Card slot25No
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers25Yes
Automatic headlights125Yes
Total Requested137563%
Total Not Requested82537%

Option Package Details
Mercedes-Benz C-Class C55

Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
CD changer, remote200Yes
Rain-sensing wipers175Yes
Sunshade, rear, power225Yes
Total Requested600100%
Total Not Requested00%

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