Audi A4 / S4 Audi A4 / S4 2014 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: $42,445

Audi A4 / S4 A4 2.0T   
Difference: $13,780

Lowest Total Invoice: $39,536

Audi A4 / S4 A4 2.0T   
Difference: $12,816

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142014200920092009
ModelA4 / S4A4 / S4SLKSLKSLK
TrimA4 2.0TS4 3.0TSLK300SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $33,800 $48,100 $45,950 $50,950 $65,700
Base Invoice $31,434 $44,734 $42,734 $47,384 $61,101
S Line Interior Package 950        
Prestige Package 5,300        
Sport Package 1,000        
Metallic paint (extra cost) 500 500 720 720 720
Navigation Plus Package   3,050      
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
S Line Interior Package 883        
Prestige Package 4,927        
Sport Package 930        
Metallic paint (extra cost) 467 467 670 670 670
Navigation Plus Package   2,837      
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) 7,750 3,550 9,400 9,400 5,460
Options (change) 7,207 3,304 8,743 8,743 5,078
Destination 895 895 875 875 875
Gas Tax 0 0 0 0 1,000
Total Price $42,445 $52,545 $56,225 $61,225 $73,035
Total Invoice $39,536 $48,933 $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 2.0T
TrueDelta Adjusted Price Difference: $11,345
TrueDelta Adjusted Invoice Difference: $10,549
Model Year20142014200920092009
ModelA4 / S4A4 / S4SLKSLKSLK
TrimA4 2.0TS4 3.0TSLK300SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine220hp I4333hp V6228hp V6300hp V6355hp V8
TransmissionCVT-8M6M6T7T7
DrivetrainFWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)505, 14180, 10380, 11380, 11380, 11
Tire (rear if not all the same)245/40-18245/40-18225/45-17225/45-17225/40-18
Total Price$42,445$52,545$56,225$61,225$73,035
Adjustments for Features00-2,435-3,485-3,735
Feature-Adjusted Total Price$42,445$52,545$53,790$57,740$69,300
Cost Above Minimum$0$10,100$0$3,950$15,510
Total Invoice$39,536$48,933$52,352$57,002$68,054
Adjustments for Features00-2,267-3,245-3,480
Feature-Adjusted Total Invoice$39,536$48,933$50,085$53,757$64,574
Cost Above Minimum$0$9,397$0$3,672$14,489

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

Model Year20142014200920092009
ModelA4 / S4A4 / S4SLKSLKSLK
TrimA4 2.0TS4 3.0TSLK300SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable CVT$1100    
6-speed manual $150$150  
7-speed manually-shiftable automatic   $1200$1200
FWD$0    
AWD $1700   
RWD  $0$0$0
Accessories 
Power rear side windows$200$200   
Proximity key$250$250   
Remote window/roof operation  $15$15$15
Tilt/telescoping steering wheel, manual$250$250   
Tilt/telescoping steering wheel, power  $350$350$350
Wind blocker, small  $100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0   
Blind spot warning system$200    
Knee airbag, driver  $75$75$75
Knee airbag, passenger  $75$75$75
Obstacle detection, rear$250$250   
Rearview camera$200$200   
Side curtain airbags$350$350   
Torque vectoring, brake-based$100    
Cargo Management 
Air-conditioned storage compartment$50$50   
Climate Control 
Automatic air recirculation$100$100   
Rear air vents with automatic controls$250$250   
Residual heat  $50$50$50
Exterior 
Body kit$0$0  $0
Power retractable hardtop  $6750$6750$6750
Rear spoiler    $200
Sunroof$900$900   
Infotainment 
Bluetooth audio streaming$25$25   
CD changer, in-dash  $325$325$325
CD player$125$125   
HD radio$50$50   
In-vehicle Internet$150$150   
Surround sound$250 $250$250$250
Telematics service, such as OnStar  $200$200$200
Traffic + travel information$25$25   
Wi-Fi hotspot$50$50   
Instruments, Lights, and Mirrors 
Analog clock  $25$25$25
Auto-dimming passenger-side mirror$75$75   
Compass$0$0   
Cornering lights$50 $50$50$50
Illuminated visor mirror, driver$50$50   
Illuminated visor mirror, passenger$50$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  $100
Center armrest(s), second row$50$50   
Folding second row seats$300$300   
Manual thigh support length adjuster, driver seat$50$50   
Manual thigh support length adjuster, passenger seat$50$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$0  $0
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200$200   
Sport suspension (upgrade)$0$0  $0
Transmission 
Steering-wheel-mounted transmission controls$100$100  $100
Total Value of Features$6,100$6,100$8,535$9,585$9,835
Value of Feature Adjustments$0$0$2,435$3,485$3,735
Value of Feature Adjustments00-2,267-3,245-3,480

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

Model Year20142009
ModelA4 / S4SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase110.6 in95.7 in
Length185.1 in160.7 in
Width71.9 in70.4 in
Height56.2 in51.0 in
Curb Weight3,510 lb.3,210 lb.
Fuel Capacity16.9 gal.18.5 gal.
Row 1 Headroom40.0 in37.9 in
Row 1 Shoulder Room55.5 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.3 in42.5 in
Row 2 Headroom37.5 in0.0 in
Row 2 Shoulder Room54.3 in0.0 in
Row 2 Legroom35.2 in0.0 in
Cargo Volume,
Minimum
12.4 ft36.5 ft3
Cargo Volume,
Maximum
12.49.8 ft3

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Option Package Details
Audi A4 / S4 A4 2.0T

S Line Interior Package
FeatureValueRequested?
Synthetic suede inserts in leather seating surfaces0Yes
Dark-colored headliner (optional)0No
Upholstered door panels, leather250Yes
Total Requested250100%
Total Not Requested00%
Prestige Package
FeatureValueRequested?
Steering-linked headlights150No
Surround sound250Yes
Cornering lights50Yes
Blind spot warning system200No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Auto-dimming passenger-side mirror75No
Rear air vents with automatic controls250No
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Body kit0Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Dual-zone climate control125Yes
Proximity key250No
Obstacle detection, rear250No
Rearview camera200No
In-vehicle Internet150No
Wi-Fi hotspot50No
Xenon HID headlights500Yes
Additional chrome trim0No
Headlight washers50Yes
Special exterior trim0No
LED tail lights (optional)0No
245/40HR18 tires400No
Heated front seats200Yes
Folding second row seats300No
Second-row 2-section 3-person split bench100No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
HD radio50No
Media drive, large15Yes
Traffic + travel information25No
Bluetooth audio streaming25No
Total Requested231545%
Total Not Requested282555%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Manual thigh support adjuster, driver seat50No
Power 4-way lumbar adjuster, passenger seat150Yes
Manual thigh support adjuster, passenger seat50No
Front sport buckets100Yes
Steering-wheel-mounted transmission controls100Yes
Electronic systems calibration selector200No
Total Requested60067%
Total Not Requested30033%

Option Package Details
Audi A4 / S4 S4 3.0T

Navigation Plus Package
FeatureValueRequested?
Obstacle detection, rear250No
Rearview camera200No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
HD radio50No
Media drive, large15Yes
Traffic + travel information25No
Bluetooth audio streaming25No
Total Requested71549%
Total Not Requested75051%

Option Package Details
Mercedes-Benz SLK SLK300

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25Yes
Total Requested99074%
Total Not Requested35026%
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 wipers175Yes
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 Requested205088%
Total Not Requested29012%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25Yes
Total Requested99074%
Total Not Requested35026%
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 wipers175Yes
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 Requested205088%
Total Not Requested29012%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25Yes
Total Requested99074%
Total Not Requested35026%

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