Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2007 Mercedes-Benz SLK Mercedes-Benz SLK 2015
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Audi A4 / S4 / RS4 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 / RS4 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $63,545

Audi A4 / S4 / RS4 S4 Cabriolet   
Difference: $14,130

Lowest Total Invoice: $58,582

Audi A4 / S4 / RS4 S4 Cabriolet   
Difference: $13,722

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072015
ModelA4 / S4 / RS4SLK
TrimS4 CabrioletSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $55,700 $70,900
Base Invoice $51,221 $65,937
Convenience Package 1,050  
Metallic paint (extra cost) 475 720
Heated front seats 450  
Bluetooth cell phone link 500  
Tire-pressure monitor 250  
Obstacle detection, rear 350 970
Carbon fiber trim 400 2,250
Navigation system 1,950  
Becker Map Pilot   800
Automatic climate control, front   760
Wind blocker, small   350
Convenience Package 958  
Metallic paint (extra cost) 432 670
Heated front seats 410  
Bluetooth cell phone link 455  
Tire-pressure monitor 228  
Obstacle detection, rear 319 902
Carbon fiber trim 364 2,093
Navigation system 1,775  
Becker Map Pilot   744
Automatic climate control, front   707
Wind blocker, small   326
Options (change) 5,425 5,850
Options (change) 4,941 5,442
Destination 720 925
Gas Tax 1,700 0
Total Price $63,545 $77,675
Total Invoice $58,582 $72,304

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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 SLK 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 SLK

Lowest Adjusted Price and Invoice: Audi A4 / S4 / RS4 S4 Cabriolet
TrueDelta Adjusted Price Difference: $9,270
TrueDelta Adjusted Invoice Difference: $9,198
Model Year20072015
ModelA4 / S4 / RS4SLK
TrimS4 CabrioletSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine340hp V8415hp V8
TransmissionM6T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)14/21 MPG19/28 MPG
Audio (watts, speakers)180, 9500, 11
Tire (rear if not all the same)235/40-18235/40-18
Total Price$63,545$77,675
Adjustments for Features0-4,860
Feature-Adjusted Total Price$63,545$72,815
Total Invoice$58,582$72,304
Adjustments for Features0-4,524
Feature-Adjusted Total Invoice$58,582$67,780

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

Model Year20072015
ModelA4 / S4 / RS4SLK
TrimS4 CabrioletSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Parking guidance system - passive $250
Power rear side windows$200 
Remote app $25
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Wind blocker$300 
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$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 
Ski sack$50 
Storage compartment under front seat(s)$50 
Climate Control 
Residual heat $50
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Exterior 
Body kit $0
Bodyside moldings$75 
Glass roof panel(s) $300
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
HD radio $50
Satellite radio $200
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar, with navigation $225
Traffic 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 
Fog lights$125 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim$100 
Center armrest(s), second row$50 
Manual height adjuster, driver seat$50 
Manual thigh support length adjuster, driver seat$50 
Memory system, passenger seat $150
Neck-level heating, front seats $150
Power fore-aft adjuster, driver seat $100
Power height adjuster, driver seat $100
Power recliner, driver seat $100
Power tilt adjuster, driver seat $100
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$8,125$12,985
Value of Feature Adjustments$0$4,860
Value of Feature Adjustments0-4,524

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

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

Model Year20072015
ModelA4 / S4 / RS4SLK
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 Weight4,266 lb.3,583 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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See a complete comparison of Audi A4 / S4 / RS4 vs. Mercedes-Benz SLK specs.

Option Package Details
Audi A4 / S4 / RS4 S4 Cabriolet

Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75No
Total Requested95093%
Total Not Requested757%

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%
Becker Map Pilot
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100No
Traffic information25No
Total Requested60083%
Total Not Requested12517%

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