Audi A4 / S4 Audi A4 / S4 2006 Mercedes-Benz SLK Mercedes-Benz SLK 2013

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Audi A4 / S4 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 A4 / S4 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $51,785

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $25,600

Lowest Total Invoice: $47,806

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $24,228

Calculate Payments

  Down Payment Interest Rate Term
Model Year200620062013
ModelA4 / S4A4 / S4SLK
TrimA4 3.0 CabrioletS4 CabrioletSLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Base Price $45,490 $54,640 $67,990
Base Invoice $42,010 $50,256 $63,231
Premium Package 1,825 1,775  
Metallic paint (extra cost) 450 450 720
Bluetooth cell phone link 500 500  
Tire-pressure monitor 250 250  
Obstacle detection, rear 350 350 970
Navigation system 1,950 1,950  
Sport suspension (upgrade) 250    
Audio controls on steering wheel   150  
Bose 215W 9 speakers   1,000  
Carbon fiber trim   300 2,250
Lighting Package     1,290
Multimedia Package     2,150
Automatic climate control, front     760
Wind blocker, small     350
Premium Package 1,661 1,615  
Metallic paint (extra cost) 410 410 670
Bluetooth cell phone link 455 455  
Tire-pressure monitor 228 228  
Obstacle detection, rear 319 319 902
Navigation system 1,775 1,775  
Sport suspension (upgrade) 228    
Audio controls on steering wheel   137  
Bose 215W 9 speakers   910  
Carbon fiber trim   273 2,093
Lighting Package     1,200
Multimedia Package     2,000
Automatic climate control, front     707
Wind blocker, small     326
Options (change) 5,575 6,725 8,490
Options (change) 5,076 6,122 7,898
Destination 720 720 905
Gas Tax 0 1,700 0
Total Price $51,785 $63,785 $77,385
Total Invoice $47,806 $58,798 $72,034

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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 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Audi A4 / S4 A4 3.0 Cabriolet
TrueDelta Adjusted Price Difference: $21,475
TrueDelta Adjusted Invoice Difference: $20,383
Model Year200620062013
ModelA4 / S4A4 / S4SLK
TrimA4 3.0 CabrioletS4 CabrioletSLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Engine220hp V6340hp V8415hp V8
TransmissionT5M6T7
DrivetrainAWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9215, 9500, 11
Tire (rear if not all the same)235/45-17235/40-18235/40-18
Total Price$51,785$63,785$77,385
Adjustments for Features-7000-4,825
Feature-Adjusted Total Price$51,085$63,785$72,560
Cost Above Minimum$0$12,700$0
Total Invoice$47,806$58,798$72,034
Adjustments for Features-6460-4,491
Feature-Adjusted Total Invoice$47,160$58,798$67,543
Cost Above Minimum$0$11,638$0

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Features Comparison: Audi A4 / S4 vs. Mercedes-Benz SLK

Model Year200620062013
ModelA4 / S4A4 / S4SLK
TrimA4 3.0 CabrioletS4 CabrioletSLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000  
6-speed manual $150 
7-speed manually-shiftable automatic  $1200
AWD$1700$1700 
RWD  $0
Accessories 
Parking guidance system - passive  $250
Power rear side windows$200$200 
Remote app  $25
Remote window/roof operation  $15
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
Wind blocker$300$300 
Wind blocker, small  $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0
Auto-raising roll bars / headrests$500$500 
Driver drowsiness monitor  $150
Obstacle detection, front  $150
Roll bar  $200
Side curtain airbags  $350
Torque vectoring, brake-based  $100
Cargo Management 
Rear seat pass-through$100$100 
Ski sack$50$50 
Climate Control 
Rain-sensing wipers  $175
Residual heat  $50
Variable intermittent wipers$75$75 
Engine / Motor 
Automatic start / stop  $150
Dual-mode exhaust, switchable  $500
Exterior 
Body kit  $0
Bodyside moldings$75$75 
Power convertible top$4000$4000 
Power retractable hardtop  $6750
Rear spoiler  $200
Infotainment 
App support  $0
Aux input  $50
Bluetooth audio streaming  $25
CD changer, in-dash  $325
CD changer, remote$200$200 
DVD-compatible player  $0
HD radio  $50
In-vehicle Internet  $150
Media drive  $15
MP3-compatible player  $50
Satellite radio $200$200
SMS text-to-speech reader  $25
Surround sound  $250
Telematics service, such as OnStar, with navigation  $225
Traffic + travel information  $25
Voice control for nav and audio  $100
Instruments, Lights, and Mirrors 
Analog clock  $25
Auto-dimming headlights  $200
Auto-dimming passenger-side mirror$75$75 
Fog lights$125$125 
Illuminated visor mirror, driver$50$50 
Illuminated visor mirror, passenger$50$50 
Mirror tilt-down in reverse  $25
Steering-linked headlights  $150
Visor mirror, driver  $10
Visor mirror, passenger  $10
Seats and Interior Trim 
Carbon fiber trim $200$200
Center armrest(s), second row$50$50 
Manual thigh support length adjuster, driver seat $50 
Memory system, passenger seat  $150
Neck-level heating, front seats  $150
Synthetic suede inserts in leather seating surfaces  $0
Wood trim$300  
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 $0
Ultra-sport suspension (upgrade) $0 
Transmission 
Steering-wheel-mounted transmission controls  $100
Total Value of Features$9,100$8,400$13,225
Value of Feature Adjustments$700$0$4,825
Value of Feature Adjustments-6460-4,491

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Specifications Comparison: Audi A4 / S4 vs. Mercedes-Benz SLK

Model Year20062013
ModelA4 / S4SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase104.5 in95.7 in
Length180.0 in162.8 in
Width70.0 in71.5 in
Height54.8 in51.2 in
Curb Weight3,683 lb.3,242 lb.
Fuel Capacity16.6 gal.15.9 gal.
Row 1 Headroom38.0 in38.0 in
Row 1 Shoulder Room53.0 in52.2 in
Row 1 Legroom41.3 in42.5 in
Row 2 Headroom36.3 in0.0 in
Row 2 Shoulder Room45.1 in0.0 in
Row 2 Legroom32.4 in0.0 in
Cargo Volume,
Minimum
8.9 ft36.4 ft3
Cargo Volume,
Maximum
8.910.1 ft3

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Option Package Details
Audi A4 / S4 A4 3.0 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75No
Total Requested140079%
Total Not Requested37521%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Automatic headlights125Yes
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75No
Total Requested90071%
Total Not Requested37529%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Total Requested325100%
Total Not Requested00%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Parking guidance system - passive250No
Total Requested25038%
Total Not Requested40062%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Total Requested55061%
Total Not Requested35039%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
CD changer, in-dash200Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Total Requested80072%
Total Not Requested31528%

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