Audi A4 / S4 Audi A4 / S4 2010 Mercedes-Benz SLK Mercedes-Benz SLK 2006

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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: $43,900

Audi A4 / S4 A4 2.0T   
Difference: $9,180

Lowest Total Invoice: $40,888

Audi A4 / S4 A4 2.0T   
Difference: $8,531

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102010200620062006
ModelA4 / S4A4 / S4SLKSLKSLK
TrimA4 2.0TS4 3.0TSLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $31,450 $45,900 $42,900 $46,950 $61,500
Base Invoice $29,249 $42,687 $39,897 $43,664 $57,195
Prestige Package 8,700 6,100      
S Line Package 2,450        
Metallic paint (extra cost) 475 475 690 690 690
Wood trim   500      
Lighting Package     990 990 990
Interior Trim Package     710 710  
Premium Package     1,200 1,200 1,470
Comfort Package     1,300 1,300  
Heated front seats     690 690  
Bluetooth cell phone link     925 925 925
Navigation system     1,200 1,200  
Entertainment Package     1,700 1,700  
Satellite radio         500
Prestige Package 8,092 5,674      
S Line Package 2,279        
Metallic paint (extra cost) 443 443 642 642 642
Wood trim   466      
Lighting Package     921 921 921
Interior Trim Package     660 660  
Premium Package     1,116 1,116 1,367
Comfort Package     1,209 1,209  
Heated front seats     642 642  
Bluetooth cell phone link     860 860 860
Navigation system     1,116 1,116  
Entertainment Package     1,581 1,581  
Satellite radio         465
Options (change) 11,625 7,075 9,405 9,405 4,575
Options (change) 10,814 6,583 8,747 8,747 4,255
Destination 825 825 775 775 775
Gas Tax 0 0 0 0 1,300
Total Price $43,900 $53,800 $53,080 $57,130 $68,150
Total Invoice $40,888 $50,095 $49,419 $53,186 $63,525

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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: $5,635
TrueDelta Adjusted Invoice Difference: $5,231
Model Year20102010200620062006
ModelA4 / S4A4 / S4SLKSLKSLK
TrimA4 2.0TS4 3.0TSLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine211hp I4333hp V6228hp V6268hp V6355hp V8
TransmissionCVT-8M6M6M6T7
DrivetrainFWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)505, 14505, 14380, 11380, 11?, 9
Tire (rear if not all the same)255/35-19255/35-19205/55-16225/45-17225/40-18
Total Price$43,900$53,800$53,080$57,130$68,150
Adjustments for Features0-950-3,545-3,545-3,845
Feature-Adjusted Total Price$43,900$52,850$49,535$53,585$64,305
Cost Above Minimum$0$8,950$0$4,050$14,770
Total Invoice$40,888$50,095$49,419$53,186$63,525
Adjustments for Features0-885-3,300-3,300-3,584
Feature-Adjusted Total Invoice$40,888$49,210$46,119$49,886$59,941
Cost Above Minimum$0$8,322$0$3,767$13,822

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

Model Year20102010200620062006
ModelA4 / S4A4 / S4SLKSLKSLK
TrimA4 2.0TS4 3.0TSLK280SLK350SLK55 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$150 
7-speed manually-shiftable automatic    $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   
Knee airbag, driver  $75$75$75
Knee airbag, passenger  $75$75$75
Side curtain airbags$350$350   
Tire-pressure monitor$75$75   
Climate Control 
Rear air vents with automatic controls$250$250   
Residual heat  $50$50$50
Exterior 
Body kit    $0
Power retractable hardtop  $6750$6750$6750
Rear spoiler    $200
Sunroof$900$900   
Infotainment 
Aux input$50$50   
DVD-compatible player$0$0   
iPod integration$100$100   
Media drive$15$15   
MP3-compatible player$50$50   
Navigation system$600$600$600$600 
Surround sound$250$250$250$250 
Telematics service, such as OnStar  $200$200$200
Traffic information$25$25   
Voice control for nav and audio$100$100   
Instruments, Lights, and Mirrors 
Analog clock  $25$25$25
Auto-dimming passenger-side mirror$75$75   
Compass$0$0   
Cornering lights  $50$50$50
Headlight washers  $50$50$50
Illuminated visor mirror, driver$50$50   
Illuminated visor mirror, passenger$50$50   
Mirror tilt-down in reverse  $25$25$25
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$50   
Folding second row seats$300$300   
Leather-wrapped steering wheel$150$150  $150
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
Power 4-way lumbar adjuster, driver seat$150$150   
Power 4-way lumbar adjuster, passenger seat$150$150   
Synthetic suede inserts in leather seating surfaces$0$0  $0
Wood trim $300$300$300 
Wood/leather-wrapped steering wheel  $150$150 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0$0  $0
Transmission 
Steering-wheel-mounted transmission controls$100$100  $100
Total Value of Features$5,840$6,790$9,385$9,385$9,685
Value of Feature Adjustments$0$950$3,545$3,545$3,845
Value of Feature Adjustments0-885-3,300-3,300-3,584

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

Model Year20102006
ModelA4 / S4SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase110.6 in95.7 in
Length185.2 in160.7 in
Width71.9 in70.4 in
Height56.2 in51.0 in
Curb Weight3,591 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

Prestige Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Surround sound250Yes
Proximity key250No
Auto-dimming passenger-side mirror75No
245/40HR18 tires400No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Trip computer150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Xenon HID headlights500Yes
Bluetooth cell phone link100Yes
Dual-zone climate control125Yes
iPod integration100No
Heated front seats200Yes
Rear air vents with automatic controls250No
Universal garage door opener100Yes
Traffic information25No
Media drive, large15No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Total Requested267563%
Total Not Requested156537%
S Line Package
FeatureValueRequested?
Synthetic suede inserts in leather seating surfaces0Yes
Special exterior trim0No
Special interior trim0No
255/35YR19 tires400No
Manual thigh support adjuster, passenger seat50No
Steering-wheel-mounted transmission controls100Yes
Sport suspension (upgrade)250Yes
Manual thigh support adjuster, driver seat50No
Power 4-way lumbar adjuster, passenger seat150No
Front sport buckets100Yes
Total Requested45041%
Total Not Requested65059%

Option Package Details
Audi A4 / S4 S4 3.0T

Prestige Package
FeatureValueRequested?
255/35YR19 tires400No
Compass0No
Surround sound250Yes
Proximity key250No
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Traffic information25No
Media drive, large15No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Total Requested127551%
Total Not Requested121549%

Option Package Details
Mercedes-Benz SLK SLK280

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Variable assist steering (optional)0No
Remote window/roof operation15No
Total Requested40096%
Total Not Requested154%
Comfort 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 recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25No
Total Requested102579%
Total Not Requested27521%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Variable assist steering (optional)0No
Remote window/roof operation15No
Total Requested40096%
Total Not Requested154%
Comfort 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 recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25No
Total Requested102579%
Total Not Requested27521%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Total Requested400100%
Total Not Requested00%

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