Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2018 Mercedes-Benz C-Class Mercedes-Benz C-Class 2018

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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: $62,645

Audi A4 / S4 / RS4 S4 3.0T   
Difference: $14,530

Lowest Total Invoice: $58,333

Audi A4 / S4 / RS4 S4 3.0T   
Difference: $13,511

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820182018
ModelA4 / S4 / RS4C-ClassC-Class
TrimS4 3.0TAMG C63AMG C63 S
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $51,400 $66,100 $73,700
Base Invoice $47,802 $61,473 $68,541
Warm Weather Package 950    
Prestige Package 4,400    
S Sport Package 2,500    
Metallic paint (extra cost) 575 720 720
Rear side airbags 350    
Carbon fiber rear spoiler 995 700 700
Carbon fiber trim 500 975 975
designo Package   3,100 500
Advanced Lighting Package   1,050 1,050
Parking Assist Package   1,090 1,090
Garmin Map Pilot   625 625
Sunshades, second row   380 380
Head-up display (HUD)   990 990
Cooled or ventilated front seats   450 450
Warm Weather Package 884    
Prestige Package 4,092    
S Sport Package 2,326    
Metallic paint (extra cost) 536 670 670
Rear side airbags 326    
Carbon fiber rear spoiler 926 651 651
Carbon fiber trim 466 907 907
designo Package   2,883 465
Advanced Lighting Package   977 977
Parking Assist Package   1,014 1,014
Garmin Map Pilot   581 581
Sunshades, second row   353 353
Head-up display (HUD)   921 921
Cooled or ventilated front seats   419 419
Options (change) 10,270 10,080 7,480
Options (change) 9,556 9,376 6,958
Destination 975 995 995
Total Price $62,645 $77,175 $82,175
Total Invoice $58,333 $71,844 $76,494

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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 A4 / S4 / RS4 dealer quotes or Mercedes-Benz C-Class dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A4 / S4 / RS4 S4 3.0T
TrueDelta Adjusted Price Difference: $16,280
TrueDelta Adjusted Invoice Difference: $15,141
Model Year201820182018
ModelA4 / S4 / RS4C-ClassC-Class
TrimS4 3.0TAMG C63AMG C63 S
Body4dr Sedan4dr Sedan4dr Sedan
Engine354hp V6469hp V8503hp V8
TransmissionT8T7T7
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)755, 19590, 13590, 13
Tire (rear if not all the same)245/40-18245/40-18245/35-19
Total Price$62,645$77,175$82,175
Adjustments for Features-1,7500-700
Feature-Adjusted Total Price$60,895$77,175$81,475
Cost Above Minimum$0$0$4,300
Total Invoice$58,333$71,844$76,494
Adjustments for Features-1,6300-652
Feature-Adjusted Total Invoice$56,703$71,844$75,842
Cost Above Minimum$0$0$3,998

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

Model Year201820182018
ModelA4 / S4 / RS4C-ClassC-Class
TrimS4 3.0TAMG C63AMG C63 S
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300  
7-speed manually-shiftable automatic $1200$1200
AWD$1700  
RWD $0$0
Accessories 
Remote climate control $25$25
Remote start via app $75$75
Remote window/roof operation $15$15
Semi-automated parking system $500$500
Tilt/telescoping steering wheel, manual$250  
Tilt/telescoping steering wheel, power $350$350
Brakes, Airbags, and Other Safety 
Collision preparation system, rear$100  
Knee airbag, passenger$100  
Pedestrian detection$50  
Rear cross-traffic detection$100  
Rollover sensor$50  
Secondary collision brake assist$25  
Temporary spare tire$150  
Vehicle exit assist$25  
Wide-view front camera$150  
Wide-view rear camera$0  
Cargo Management 
Air-conditioned storage compartment$50  
Console with shifter$150  
Console without shifter $150$150
Overhead sunglass holder $25$25
Climate Control and Infotainment 
4G LTE connectivity$50  
Android Auto support$0  
Apple CarPlay support$0  
Aux input$50  
CD player $125$125
CD player, remote$100  
DVD-compatible player$0  
Handwriting recognition$200  
Media drive$15  
Rear air vents $100$100
Rear air vents with automatic controls$250  
SMS text-to-speech reader $25$25
Telematics service, such as OnStar$300  
Telematics service, such as OnStar, with navigation $325$325
Traffic + travel information$25  
Traffic information $25$25
Exterior 
Laminated front side windows$200  
Painted brake calipers (optional)$0 $0
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200$200
Auto-dimming passenger-side mirror$75  
Boost gauge $75$75
Chronometer $100$100
Cornering lights $50$50
Fog lights$125  
Large color reconfigurable instrument cluster display$250  
Mirror tilt-down in reverse $25$25
Steering-linked headlights $150$150
Powertrain 
Active rear differential$500 $500
Dual-mode exhaust $250$250
Electronically-variable engine mounts (performance-oriented)  $500
Limited-slip rear differential $300 
Raised top speed limiter  $0
Regenerative braking$0  
Seats and Interior Trim 
Leather door panel trim $250$250
Leather-wrapped steering wheel$150$150 
Manual thigh support length adjuster, driver seat$50  
Manual thigh support length adjuster, passenger seat$50  
Massage, driver seat$100  
Massage, passenger seat$100  
Memory system, passenger seat $150$150
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
Power thigh support length adjuster, driver seat $100$100
Power thigh support length adjuster, passenger seat $100$100
Synthetic suede door panel trim$250  
Synthetic suede steering wheel  $150
Upholstered door armrests (optional)$0  
Upholstered instrument panel $300$300
Suspension, Wheels, and Tires 
Crosswind stabilization $50$50
Suggestive steering $0$0
Total Value of Features$7,040$5,290$5,990
Value of Feature Adjustments$1,750$0$700
Value of Feature Adjustments-1,6300-652

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

Model Year20182018
ModelA4 / S4 / RS4C-Class
Body4dr Sedan4dr Sedan
Wheelbase111.0 in111.8 in
Length186.1 in184.5 in
Width72.5 in71.3 in
Height56.2 in56.8 in
Curb Weight3,451 lb.3,418 lb.
Fuel Capacity16.9 gal.17.4 gal.
Row 1 Headroom38.9 in37.1 in
Row 1 Shoulder Room55.9 in55.3 in
Row 1 Legroom41.3 in41.7 in
Row 2 Headroom37.4 in37.1 in
Row 2 Shoulder Room54.5 in55.0 in
Row 2 Legroom35.7 in35.2 in
Cargo Volume13.0 ft312.6 ft3

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Option Package Details
Audi A4 / S4 / RS4 S4 3.0T

Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125Yes
Total Requested425100%
Total Not Requested00%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350Yes
Laminated front side windows200No
Around view cameras300Yes
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable150Yes
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250No
4G LTE connectivity50No
Handwriting recognition200No
Remote app25Yes
Speed limit information0No
Traffic + travel information25No
In-vehicle Internet150Yes
Wi-Fi hotspot50Yes
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
Media drive15No
Total Requested170066%
Total Not Requested89034%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500Yes
Painted brake calipers (optional)0Yes
Total Requested1000100%
Total Not Requested00%

Option Package Details
Mercedes-Benz C-Class AMG C63

designo Package
FeatureValueRequested?
Special interior trim0No
Leather door panel trim250Yes
Upgraded leather upholstery0No
Leather seating surfaces900Yes
Total Requested1150100%
Total Not Requested00%
Advanced Lighting Package
FeatureValueRequested?
Interior ambient lighting, configurable150Yes
Steering-linked headlights150No
Cornering lights50No
Auto-dimming headlights200No
LED headlights-500Yes
Total Requested-350-700%
Total Not Requested400800%
Parking Assist Package
FeatureValueRequested?
Obstacle detection, front200Yes
Obstacle detection, rear300Yes
Semi-automated parking system500No
Around view cameras300Yes
Total Requested80062%
Total Not Requested50038%
Garmin Map Pilot
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25Yes
Total Requested725100%
Total Not Requested00%

Option Package Details
Mercedes-Benz C-Class AMG C63 S

Garmin Map Pilot
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25Yes
Total Requested725100%
Total Not Requested00%
Parking Assist Package
FeatureValueRequested?
Obstacle detection, front200Yes
Obstacle detection, rear300Yes
Semi-automated parking system500No
Around view cameras300Yes
Total Requested80062%
Total Not Requested50038%
Advanced Lighting Package
FeatureValueRequested?
LED tail lights0No
Interior ambient lighting, configurable150Yes
Steering-linked headlights150No
Cornering lights50No
Auto-dimming headlights200No
LED headlights250Yes
Total Requested40050%
Total Not Requested40050%
designo Package
FeatureValueRequested?
Special interior trim0No
Leather door panel trim250Yes
Total Requested250100%
Total Not Requested00%

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