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

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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: $56,225

Mercedes-Benz SLK SLK300   
Difference: $325

Lowest Total Invoice: $52,352

Mercedes-Benz SLK SLK300   
Difference: $301

Calculate Payments

  Down Payment Interest Rate Term
Model Year2009200920092009
ModelA4 / S4SLKSLKSLK
TrimA4 3.2 CabrioletSLK300SLK350SLK55 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $48,800 $45,950 $50,950 $65,700
Base Invoice $45,385 $42,734 $47,384 $61,101
Convenience Package 1,550      
Upgraded leather upholstery 1,000      
Sport Package 850      
Navigation system 2,100      
Metallic paint (extra cost) 475 720 720 720
iPod integration 0      
Heated front seats 450      
Front sport buckets 500      
Lighting Package   1,030 1,030 1,030
Multimedia Package   2,980 2,980 2,980
Heating Package   990 990  
Premium I Package   2,950 2,950  
Automatic climate control, front   730 730 730
Convenience Package 1,442      
Upgraded leather upholstery 930      
Sport Package 791      
Navigation system 1,953      
Metallic paint (extra cost) 443 670 670 670
iPod integration 0      
Heated front seats 418      
Front sport buckets 466      
Lighting Package   958 958 958
Multimedia Package   2,771 2,771 2,771
Heating Package   921 921  
Premium I Package   2,744 2,744  
Automatic climate control, front   679 679 679
Options (change) 6,925 9,400 9,400 5,460
Options (change) 6,443 8,743 8,743 5,078
Destination 825 875 875 875
Gas Tax 0 0 0 1,000
Total Price $56,550 $56,225 $61,225 $73,035
Total Invoice $52,653 $52,352 $57,002 $68,054

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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: $325
TrueDelta Adjusted Invoice Difference: $304
Model Year2009200920092009
ModelA4 / S4SLKSLKSLK
TrimA4 3.2 CabrioletSLK300SLK350SLK55 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine255hp V6228hp V6300hp V6355hp V8
TransmissionT6M6T7T7
DrivetrainAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9380, 11380, 11380, 11
Tire (rear if not all the same)235/40-18225/45-17225/45-17225/40-18
Total Price$56,550$56,225$61,225$73,035
Adjustments for Features-6500-1,050-1,300
Feature-Adjusted Total Price$55,900$56,225$60,175$71,735
Cost Above Minimum$0$0$3,950$15,510
Total Invoice$52,653$52,352$57,002$68,054
Adjustments for Features-6050-978-1,211
Feature-Adjusted Total Invoice$52,048$52,352$56,024$66,843
Cost Above Minimum$0$0$3,672$14,491

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

Model Year2009200920092009
ModelA4 / S4SLKSLKSLK
TrimA4 3.2 CabrioletSLK300SLK350SLK55 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
6-speed manual $150  
7-speed manually-shiftable automatic  $1200$1200
AWD$1700   
RWD $0$0$0
Accessories 
Power rear side windows$200   
Remote window/roof operation $15$15$15
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350$350
Wind blocker$300   
Wind blocker, small $100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0   
Auto-raising roll bars / headrests$500   
Full-size spare tire$225   
Temporary spare tire $150$150$150
Cargo Management 
Rear seat pass-through$100   
Ski sack$50   
Storage compartment under front seat(s)$50   
Climate Control 
Automatic air recirculation$100   
Residual heat $50$50$50
Exterior 
Body kit   $0
Bodyside moldings$75   
Power convertible top$4000   
Power retractable hardtop $6750$6750$6750
Rear spoiler   $200
Infotainment 
Aux input $50$50$50
CD changer, in-dash $325$325$325
CD player$125   
DVD-compatible player $0$0$0
Media drive $15$15$15
Surround sound $250$250$250
Telematics service, such as OnStar $200$200$200
Voice control for nav and audio $100$100$100
Instruments, Lights, and Mirrors 
Analog clock $25$25$25
Auto-dimming passenger-side mirror$75   
Compass$0   
Cornering lights $50$50$50
Illuminated visor mirror, driver$50   
Illuminated visor mirror, passenger$50   
Mirror tilt-down in reverse $25$25$25
Steering-linked headlights$150   
Visor mirror, driver $10$10$10
Visor mirror, passenger $10$10$10
Seats and Interior Trim 
Aluminum trim$100  $100
Center armrest(s), second row$50   
Memory system, passenger seat $150$150$150
Metal pedals $75$75$75
Neck-level heating, front seats $150$150 
No leather in second row $-300$-300$-300
Synthetic suede inserts in leather seating surfaces   $0
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0  $0
Transmission 
Steering-wheel-mounted transmission controls$100  $100
Total Value of Features$9,350$8,700$9,750$10,000
Value of Feature Adjustments$650$0$1,050$1,300
Value of Feature Adjustments-6050-978-1,211

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

Model Year20092009
ModelA4 / S4SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase104.3 in95.7 in
Length180.0 in160.7 in
Width70.0 in70.4 in
Height54.8 in51.0 in
Curb Weight3,859 lb.3,210 lb.
Fuel Capacity16.6 gal.18.5 gal.
Row 1 Headroom38.0 in37.9 in
Row 1 Shoulder Room53.0 in52.2 in
Row 1 Hip Room0.0 in54.6 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 ft36.5 ft3
Cargo Volume,
Maximum
8.99.8 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 wipers25Yes
Automatic headlights125Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Auto-dimming passenger-side mirror75No
Total Requested117584%
Total Not Requested22516%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Aluminum trim100Yes
Steering-wheel-mounted transmission controls100Yes
235/40HR18 tires400No
Total Requested45053%
Total Not Requested40047%

Option Package Details
Mercedes-Benz SLK SLK300

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Voice control for nav and audio100No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15No
SD Card slot25Yes
Total Requested62547%
Total Not Requested71553%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium I Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15No
Mirror tilt-down in reverse25No
Interior ambient lighting150Yes
iPod integration100Yes
Total Requested197587%
Total Not Requested29013%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Voice control for nav and audio100No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15No
SD Card slot25Yes
Total Requested62547%
Total Not Requested71553%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium I Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15No
Mirror tilt-down in reverse25No
Interior ambient lighting150Yes
iPod integration100Yes
Total Requested197587%
Total Not Requested29013%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Voice control for nav and audio100No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15No
SD Card slot25Yes
Total Requested62547%
Total Not Requested71553%

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