Audi A3 / S3 / RS3 Audi A3 / S3 / RS3 2018 Mercedes-Benz SLK Mercedes-Benz SLK 2009

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Audi A3 / S3 / RS3 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 A3 / S3 / RS3 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $51,140

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $21,895

Lowest Total Invoice: $47,636

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $20,418

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182009
ModelA3 / S3 / RS3SLK
TrimA3 2.0 TFSISLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $38,350 $65,700
Base Invoice $35,666 $61,101
Sport Package 650  
Premium Plus Package 3,250  
Technology Package 3,200  
Metallic paint (extra cost) 575 720
Sport suspension (upgrade) 250  
Metal pedals 195  
AWD 2,700  
Carbon fiber rear spoiler 995  
Lighting Package   1,030
Multimedia Package   2,980
Automatic climate control, front   730
Sport Package 606  
Premium Plus Package 3,024  
Technology Package 2,976  
Metallic paint (extra cost) 536 670
Sport suspension (upgrade) 233  
Metal pedals 182  
AWD 2,512  
Carbon fiber rear spoiler 926  
Lighting Package   958
Multimedia Package   2,771
Automatic climate control, front   679
Options (change) 11,815 5,460
Options (change) 10,995 5,078
Destination 975 875
Gas Tax 0 1,000
Total Price $51,140 $73,035
Total Invoice $47,636 $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 A3 / S3 / RS3 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A3 / S3 / RS3 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Audi A3 / S3 / RS3 A3 2.0 TFSI
TrueDelta Adjusted Price Difference: $23,410
TrueDelta Adjusted Invoice Difference: $21,829
Model Year20182009
ModelA3 / S3 / RS3SLK
TrimA3 2.0 TFSISLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine220hp I4355hp V8
TransmissionS6T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)19/28 MPG14/22 MPG
Audio (watts, speakers)625, 13380, 11
Tire (rear if not all the same)225/40-18225/40-18
Total Price$51,140$73,035
Adjustments for Features-1,5150
Feature-Adjusted Total Price$49,625$73,035
Total Invoice$47,636$68,054
Adjustments for Features-1,4110
Feature-Adjusted Total Invoice$46,225$68,054

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Features Comparison: Audi A3 / S3 / RS3 vs. Mercedes-Benz SLK

Model Year20182009
ModelA3 / S3 / RS3SLK
TrimA3 2.0 TFSISLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed automated manual$1100 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Power rear side windows$200 
Proximity key$250 
Remote app$25 
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Universal garage door opener $100
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Auto-raising roll bars / headrests$500 
Automatic braking, low-speed$200 
Blind spot warning system$200 
Cross-traffic warning, rear$100 
Forward collision warning$200 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Radar- or camera-based collision preparation system$0 
Rearview camera$200 
Secondary collision brake assist$25 
Temporary spare tire $150
Torque vectoring, brake-based$100 
Cargo Management 
Second-row low console$100 
Climate Control 
Automatic air recirculation$100 
Rear air vents$100 
Residual heat $50
Exterior 
Carbon fiber rear spoiler$300 
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
Apple CarPlay support$100 
Bluetooth audio streaming$25 
CD changer, in-dash $325
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
iPod integration $100
Traffic + travel information$25 
USB port$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming driver-side mirror $75
Compass$0 
Cornering lights $50
Fog lights $125
Headlight washers $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Large color reconfigurable instrument cluster display$250 
Mirror tilt-down in reverse $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Folding second row seats$300 
Leather door panel trim $250
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Memory system, driver seat $200
Memory system, passenger seat $150
No leather in second row $-300
Power recliner, driver seat $100
Power recliner, passenger seat $100
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Total Value of Features$11,725$10,210
Value of Feature Adjustments$1,515$0
Value of Feature Adjustments-1,4110

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Specifications Comparison: Audi A3 / S3 / RS3 vs. Mercedes-Benz SLK

Model Year20182009
ModelA3 / S3 / RS3SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase102.2 in95.7 in
Length175.4 in160.7 in
Width70.2 in70.4 in
Height55.5 in51.0 in
Curb Weight3,824 lb.3,420 lb.
Fuel Capacity13.2 gal.18.5 gal.
Row 1 Headroom37.4 in37.9 in
Row 1 Shoulder Room54.8 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.2 in42.5 in
Row 2 Headroom36.3 in0.0 in
Row 2 Shoulder Room45.7 in0.0 in
Row 2 Legroom31.9 in0.0 in
Cargo Volume,
Minimum
7.1 ft36.5 ft3
Cargo Volume,
Maximum
9.9 ft39.8 ft3

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Option Package Details
Audi A3 / S3 / RS3 A3 2.0 TFSI

Sport Package
FeatureValueRequested?
Manual thigh support length adjuster, driver seat50No
Manual thigh support length adjuster, passenger seat50No
Front sport buckets100Yes
Steering-wheel-mounted transmission controls100Yes
Electronic systems calibration selector200No
Total Requested20040%
Total Not Requested30060%
Premium Plus Package
FeatureValueRequested?
225/40HR18 tires400No
Cross-traffic warning, rear100No
Auto-dimming rearview mirror150Yes
Obstacle detection, front150No
Obstacle detection, rear250No
Compass0No
Aluminum trim100Yes
Blind spot warning system200No
Body kit0Yes
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Proximity key250No
Interior ambient lighting150Yes
Apple CarPlay support100No
Android Auto support100No
Total Requested40021%
Total Not Requested155079%
Technology Package
FeatureValueRequested?
Surround sound250Yes
Large color reconfigurable instrument cluster display250No
Bang & Olufsen, 625W, 13 speakers (with subwoofer)350No
4G LTE connectivity0No
Telematics service, such as OnStar200Yes
Handwriting recognition200No
Remote app25No
Speed limit information0No
Apple CarPlay support100No
Android Auto support100No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
Traffic + travel information25No
In-vehicle Internet150No
Total Requested116548%
Total Not Requested125052%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
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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