Audi A4 / S4 Audi A4 / S4 2009 Mercedes-Benz SLK Mercedes-Benz SLK 2014

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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: $56,900

Audi A4 / S4 A4 3.2 Cabriolet   
Difference: $21,540

Lowest Total Invoice: $52,978

Audi A4 / S4 A4 3.2 Cabriolet   
Difference: $20,038

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092014
ModelA4 / S4A4 / S4SLK
TrimA4 3.2 CabrioletS4 CabrioletSLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Base Price $48,800 $57,125 $68,925
Base Invoice $45,385 $53,127 $64,100
Convenience Package 1,550 2,275  
Navigation system 2,100 1,950  
Sport Package 850    
Upgraded leather upholstery 1,000    
Metallic paint (extra cost) 475 475 720
Obstacle detection, rear 350 350 970
Heated front seats 450    
iPod integration 0 0  
Front sport buckets 500    
Carbon fiber trim   400 2,250
Multimedia Package     2,150
Lighting Package     1,390
Automatic climate control, front     760
Wind blocker, small     350
Convenience Package 1,442 2,115  
Navigation system 1,953 1,813  
Sport Package 791    
Upgraded leather upholstery 930    
Metallic paint (extra cost) 443 443 670
Obstacle detection, rear 325 325 902
Heated front seats 418    
iPod integration 0 0  
Front sport buckets 466    
Carbon fiber trim   373 2,093
Multimedia Package     2,000
Lighting Package     1,293
Automatic climate control, front     707
Wind blocker, small     326
Options (change) 7,275 5,450 8,590
Options (change) 6,768 5,069 7,991
Destination 825 825 925
Gas Tax 0 1,700 0
Total Price $56,900 $65,100 $78,440
Total Invoice $52,978 $60,721 $73,016

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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 3.2 Cabriolet
TrueDelta Adjusted Price Difference: $18,015
TrueDelta Adjusted Invoice Difference: $16,757
Model Year200920092014
ModelA4 / S4A4 / S4SLK
TrimA4 3.2 CabrioletS4 CabrioletSLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Engine255hp V6340hp V8415hp V8
TransmissionT6M6T7
DrivetrainAWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9215, 9500, 11
Tire (rear if not all the same)235/40-18235/40-18235/40-18
Total Price$56,900$65,100$78,440
Adjustments for Features-1,2500-4,775
Feature-Adjusted Total Price$55,650$65,100$73,665
Cost Above Minimum$0$9,450$0
Total Invoice$52,978$60,721$73,016
Adjustments for Features-1,1640-4,445
Feature-Adjusted Total Invoice$51,814$60,721$68,571
Cost Above Minimum$0$8,907$0

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

Model Year200920092014
ModelA4 / S4A4 / S4SLK
TrimA4 3.2 CabrioletS4 CabrioletSLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100  
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 
Auto-raising roll bars / headrests$500$500 
Driver drowsiness monitor  $150
Full-size spare tire$225$225 
Obstacle detection, front  $150
Roll bar  $200
Side curtain airbags  $350
Temporary spare tire  $150
Torque vectoring, brake-based  $100
Cargo Management 
Rear seat pass-through$100$100 
Ski sack$50$50 
Storage compartment under front seat(s)$50$50 
Climate Control 
Automatic air recirculation$100$100 
Residual heat  $50
Engine / Motor 
Automatic start / stop  $150
Dual-mode exhaust, switchable  $500
Exterior 
Body kit  $0
Bodyside moldings$75$75 
Glass roof panel(s)  $300
Power convertible top$4000$4000 
Power retractable hardtop  $6750
Rear spoiler  $200
Infotainment 
App support  $0
Aux input  $50
Bluetooth audio streaming  $25
Bluetooth cell phone link$100 $100
CD changer, in-dash  $325
CD player$125$125 
DVD-compatible player  $0
HD radio  $50
In-vehicle Internet  $150
iPod integration$100$100 
Media drive  $15
SMS text-to-speech reader  $25
Surround sound  $250
Telematics service, such as OnStar, with navigation  $225
Traffic + travel information  $25
USB port  $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
Power-folding mirrors  $50
Visor mirror, driver  $10
Visor mirror, passenger  $10
Seats and Interior Trim 
Aluminum trim$100$100 
Carbon fiber trim $200$200
Center armrest(s), second row$50$50 
Manual height adjuster, driver seat $50 
Manual thigh support length adjuster, driver seat $50 
Memory system, passenger seat  $150
Metal pedals  $75
Neck-level heating, front seats  $150
No leather in second row  $-300
Power fore-aft adjuster, driver seat$100 $100
Power height adjuster, driver seat$100 $100
Power recliner, driver seat$100 $100
Power tilt adjuster, driver seat$100 $100
Synthetic suede inserts in leather seating surfaces  $0
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 $0
Ultra-sport suspension (upgrade) $0 
Transmission 
Steering-wheel-mounted transmission controls$100 $100
Total Value of Features$9,925$8,675$13,450
Value of Feature Adjustments$1,250$0$4,775
Value of Feature Adjustments-1,1640-4,445

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

Model Year20092014
ModelA4 / S4SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase104.3 in95.7 in
Length180.0 in162.8 in
Width70.0 in71.5 in
Height54.8 in51.2 in
Curb Weight3,859 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 3.2 Cabriolet

Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Auto-dimming passenger-side mirror75No
Total Requested140095%
Total Not Requested755%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Aluminum trim100No
Steering-wheel-mounted transmission controls100Yes
235/40HR18 tires400No
Total Requested35041%
Total Not Requested50059%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Convenience Package
FeatureValueRequested?
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Bose, 215W, 9 speakers (with subwoofer)350No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Auto-dimming passenger-side mirror75No
Total Requested90068%
Total Not Requested42532%

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%
Multimedia Package
FeatureValueRequested?
CD changer, in-dash200No
DVD-compatible player0No
Media drive, large15No
Traffic + travel information25No
SD Card slot25Yes
In-vehicle Internet150No
App support0No
Navigation system600Yes
Voice control for nav and audio100No
Total Requested62556%
Total Not Requested49044%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Total Requested70078%
Total Not Requested20022%

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