Audi A3 / S3 / RS3 Audi A3 / S3 / RS3 2019 Mercedes-Benz SLK Mercedes-Benz SLK 2007

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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: $48,415

Audi A3 / S3 / RS3 A3 45   
Difference: $19,495

Lowest Total Invoice: $45,520

Audi A3 / S3 / RS3 A3 45   
Difference: $17,780

Calculate Payments

  Down Payment Interest Rate Term
Model Year20192007
ModelA3 / S3 / RS3SLK
TrimA3 45SLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $41,700 $62,500
Base Invoice $39,200 $58,125
Sport Package 650  
Premium Plus Package 3,250  
Metallic paint (extra cost) 575 700
Sport suspension (upgrade) 250  
Carbon fiber rear spoiler 995  
Lighting Package   1,000
Automatic climate control, front   710
Bluetooth cell phone link   925
Sport Package 606  
Premium Plus Package 3,024  
Metallic paint (extra cost) 536 650
Sport suspension (upgrade) 233  
Carbon fiber rear spoiler 926  
Lighting Package   930
Automatic climate control, front   660
Bluetooth cell phone link   860
Options (change) 5,720 3,335
Options (change) 5,325 3,100
Destination 995 775
Gas Tax 0 1,300
Total Price $48,415 $67,910
Total Invoice $45,520 $63,300

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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 45
TrueDelta Adjusted Price Difference: $20,960
TrueDelta Adjusted Invoice Difference: $19,157
Model Year20192007
ModelA3 / S3 / RS3SLK
TrimA3 45SLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine228hp I4355hp V8
TransmissionS7T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)19/28 MPG16/22 MPG
Audio (watts, speakers)140, 9?, 9
Tire (rear if not all the same)225/40-18225/40-18
Total Price$48,415$67,910
Adjustments for Features-1,4650
Feature-Adjusted Total Price$46,950$67,910
Total Invoice$45,520$63,300
Adjustments for Features-1,3770
Feature-Adjusted Total Invoice$44,143$63,300

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

Model Year20192007
ModelA3 / S3 / RS3SLK
TrimA3 45SLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Power rear side windows$200 
Proximity key$250 
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 
Tire-pressure monitor$75 
Torque vectoring, brake-based$100 
Cargo Management 
Second-row low console$100 
Climate Control 
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 
Android Auto support$100 
Apple CarPlay support$100 
Aux input$50 
Bluetooth audio streaming$25 
CD player $125
HD radio$50 
MP3-compatible player$50 
Telematics service, such as OnStar $200
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 
Mirror tilt-down in reverse $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Folding second row seats$300 
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
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
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$11,475$10,010
Value of Feature Adjustments$1,465$0
Value of Feature Adjustments-1,3770

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

Model Year20192007
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 45

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
Auto-dimming rearview mirror150Yes
Obstacle detection, front150No
Obstacle detection, rear250No
Compass0No
Aluminum trim100Yes
Blind spot warning system200No
Cross-traffic warning, rear100No
Body kit0Yes
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Proximity key250No
Interior ambient lighting150No
Apple CarPlay support100No
Android Auto support100No
Total Requested25013%
Total Not Requested170087%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

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

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