Audi A4 / S4 Audi A4 / S4 2010 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: $44,850

Audi A4 / S4 A4 2.0T   
Difference: $13,125

Lowest Total Invoice: $41,772

Audi A4 / S4 A4 2.0T   
Difference: $12,212

Calculate Payments

  Down Payment Interest Rate Term
Model Year2010201020142014
ModelA4 / S4A4 / S4SLKSLK
TrimA4 2.0TS4 3.0TSLK250SLK350
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $31,450 $45,900 $43,525 $56,225
Base Invoice $29,249 $42,687 $40,478 $52,289
Prestige Package 8,700 6,100    
Driver Assist Package 900 900    
Adaptive cruise control 2,100 2,100    
Metallic paint (extra cost) 475 475 720 720
Wood trim 400 500 325 325
Multimedia Package     2,150 2,150
Premium 1 Package     2,590 2,590
Lighting Package     1,390 1,390
Distronic Plus Package     2,950 2,950
Special order charge     250 250
Automatic climate control, front     760 760
Leather seating surfaces     770  
Proximity key     650 650
Obstacle detection, rear     970 970
Prestige Package 8,092 5,674    
Driver Assist Package 837 837    
Adaptive cruise control 1,954 1,954    
Metallic paint (extra cost) 443 443 670 670
Wood trim 372 466 302 302
Multimedia Package     2,000 2,000
Premium 1 Package     2,409 2,409
Lighting Package     1,293 1,293
Distronic Plus Package     2,744 2,744
Special order charge     233 233
Automatic climate control, front     707 707
Leather seating surfaces     716  
Proximity key     605 605
Obstacle detection, rear     902 902
Options (change) 12,575 10,075 13,525 12,755
Options (change) 11,698 9,374 12,581 11,865
Destination 825 825 925 925
Total Price $44,850 $56,800 $57,975 $69,905
Total Invoice $41,772 $52,886 $53,984 $65,079

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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: $5,665
TrueDelta Adjusted Invoice Difference: $5,266
Model Year2010201020142014
ModelA4 / S4A4 / S4SLKSLK
TrimA4 2.0TS4 3.0TSLK250SLK350
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine211hp I4333hp V6201hp I4302hp V6
TransmissionCVT-8M6M6T7
DrivetrainFWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)505, 14505, 14500, 11500, 11
Tire (rear if not all the same)245/40-18255/35-19225/45-17225/40-18
Total Price$44,850$56,800$57,975$69,905
Adjustments for Features0-1,350-7,460-8,610
Feature-Adjusted Total Price$44,850$55,450$50,515$61,295
Cost Above Minimum$0$10,600$0$10,780
Total Invoice$41,772$52,886$53,984$65,079
Adjustments for Features0-1,257-6,946-8,016
Feature-Adjusted Total Invoice$41,772$51,629$47,038$57,063
Cost Above Minimum$0$9,857$0$10,025

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

Model Year2010201020142014
ModelA4 / S4A4 / S4SLKSLK
TrimA4 2.0TS4 3.0TSLK250SLK350
Body4dr Sedan4dr Sedan2dr 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
FWD$0   
AWD $1700  
RWD  $0$0
Accessories 
Adaptive cruise control$600$600  
Adaptive cruise control, all-speed  $850$850
Parking guidance system - passive  $250$250
Power rear side windows$200$200  
Remote app  $25$25
Remote window/roof operation  $15$15
Tilt/telescoping steering wheel, manual$250$250  
Tilt/telescoping steering wheel, power  $350$350
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial  $200$200
Automatic braking, low-speed  $200$200
Blind spot collision prevention  $150$150
Driver drowsiness monitor  $150$150
Knee airbag, driver  $75$75
Knee airbag, passenger  $75$75
Lane departure prevention  $150$150
Lane departure warning  $200$200
Obstacle detection, front  $150$150
Rearview camera$200$200  
Roll bar  $200$200
Climate Control 
Automatic air recirculation$100$100  
Rear air vents with automatic controls$250$250  
Residual heat  $50$50
Exterior 
Glass roof panel(s)  $300$300
Power retractable hardtop  $6750$6750
Sunroof$900$900  
Infotainment 
App support  $0$0
Bluetooth audio streaming  $25$25
CD changer, in-dash  $325$325
CD player$125$125  
HD radio  $50$50
In-vehicle Internet  $150$150
iPod integration$100$100  
SMS text-to-speech reader  $25$25
Telematics service, such as OnStar, with navigation  $225$225
Traffic + travel information  $25$25
Traffic information$25$25  
USB port  $25$25
Instruments, Lights, and Mirrors 
Auto-dimming headlights  $200$200
Auto-dimming passenger-side mirror$75$75  
Fog lights$125$125  
Headlight washers  $50$50
Illuminated visor mirror, driver$50$50  
Illuminated visor mirror, passenger$50$50  
Interior ambient lighting$150$150  
Mirror tilt-down in reverse  $25$25
Power-folding mirrors  $50$50
Steering-linked headlights  $150$150
Visor mirror, driver  $10$10
Visor mirror, passenger  $10$10
Seats and Interior Trim 
Center armrest(s), second row$50$50  
Folding second row seats$300$300  
Leather door panel trim $250$250$250
Manual thigh support length adjuster, driver seat $50  
Manual thigh support length adjuster, passenger seat $50  
Memory system, passenger seat  $150$150
Metal pedals  $75$75
Neck-level heating, front seats  $150$150
No leather in second row  $-300$-300
Power 4-way lumbar adjuster, passenger seat $150$150$150
Synthetic suede inserts in leather seating surfaces $0  
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0  
Transmission 
Steering-wheel-mounted transmission controls $100 $100
Total Value of Features$4,650$6,000$12,110$13,260
Value of Feature Adjustments$0$1,350$7,460$8,610
Value of Feature Adjustments0-1,257-6,946-8,016

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

Model Year20102014
ModelA4 / S4SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase110.6 in95.7 in
Length185.2 in162.8 in
Width71.9 in71.5 in
Height56.2 in51.2 in
Curb Weight3,591 lb.3,242 lb.
Fuel Capacity16.9 gal.15.9 gal.
Row 1 Headroom40.0 in38.0 in
Row 1 Shoulder Room55.5 in52.2 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 ft36.4 ft3
Cargo Volume,
Maximum
12.410.1 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
Compass0Yes
Surround sound250Yes
Proximity key250Yes
Auto-dimming passenger-side mirror75No
245/40HR18 tires400No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Rain-sensing wipers100Yes
Automatic headlights125Yes
Xenon HID headlights500Yes
Bluetooth cell phone link100Yes
Dual-zone climate control125Yes
iPod integration100Yes
Heated front seats200Yes
Rear air vents with automatic controls250No
Universal garage door opener100Yes
Trip computer150Yes
Media drive, large15Yes
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25Yes
Total Requested316575%
Total Not Requested107525%
Driver Assist Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Rearview camera200No
Blind spot warning system200Yes
Total Requested45069%
Total Not Requested20031%

Option Package Details
Audi A4 / S4 S4 3.0T

Prestige Package
FeatureValueRequested?
255/35YR19 tires400No
Surround sound250Yes
Proximity key250Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Media drive, large15Yes
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25Yes
Total Requested166567%
Total Not Requested82533%
Driver Assist Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Rearview camera200No
Blind spot warning system200Yes
Total Requested45069%
Total Not Requested20031%

Option Package Details
Mercedes-Benz SLK SLK250

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Total Requested325100%
Total Not Requested00%
Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces900Yes
Upholstered door panels, leather250Yes
No leather in second row-300No
Total Requested1150135%
Total Not Requested-300-35%
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 player0Yes
Media drive, large15Yes
Traffic + travel information25Yes
SD Card slot25Yes
In-vehicle Internet150No
App support0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested76569%
Total Not Requested35031%
Premium 1 Package
FeatureValueRequested?
Heated front seats200Yes
Satellite radio200Yes
Surround sound250Yes
Remote window/roof operation15No
Neck-level heating, front seats150No
iPod integration100Yes
Harman/Kardon, 500W, 11 speakers (with subwoofer)350No
Total Requested75059%
Total Not Requested51541%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Total Requested50056%
Total Not Requested40044%
Distronic Plus Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200No
Adaptive cruise control, all-speed700No
Blind spot warning system200Yes
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200No
Forward collision alert200Yes
Blind spot intervention150No
Total Requested40020%
Total Not Requested160080%

Option Package Details
Mercedes-Benz SLK SLK350

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 player0Yes
Media drive, large15Yes
Traffic + travel information25Yes
SD Card slot25Yes
In-vehicle Internet150No
App support0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested76569%
Total Not Requested35031%
Premium 1 Package
FeatureValueRequested?
Heated front seats200Yes
Satellite radio200Yes
Surround sound250Yes
Remote window/roof operation15No
Neck-level heating, front seats150No
iPod integration100Yes
Harman/Kardon, 500W, 11 speakers (with subwoofer)350No
Total Requested75059%
Total Not Requested51541%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Total Requested50056%
Total Not Requested40044%
Distronic Plus Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200No
Adaptive cruise control, all-speed700No
Blind spot warning system200Yes
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200No
Forward collision alert200Yes
Blind spot intervention150No
Total Requested40020%
Total Not Requested160080%

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