Audi A3 / S3 / RS3 Audi A3 / S3 / RS3 2018 Mercedes-Benz SLK Mercedes-Benz SLK 2008

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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: $47,940

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $20,250

Lowest Total Invoice: $44,660

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $18,908

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182008
ModelA3 / S3 / RS3SLK
TrimA3 2.0 TFSISLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $38,350 $63,200
Base Invoice $35,666 $58,776
Sport Package 650  
Premium Plus Package 3,250  
Metallic paint (extra cost) 575 710
Sport suspension (upgrade) 250  
Metal pedals 195  
AWD 2,700  
Carbon fiber rear spoiler 995  
Lighting Package   1,010
iPod integration   375
Automatic climate control, front   720
Sport Package 606  
Premium Plus Package 3,024  
Metallic paint (extra cost) 536 659
Sport suspension (upgrade) 233  
Metal pedals 182  
AWD 2,512  
Carbon fiber rear spoiler 926  
Lighting Package   939
iPod integration   349
Automatic climate control, front   670
Options (change) 8,615 2,815
Options (change) 8,019 2,617
Destination 975 875
Gas Tax 0 1,300
Total Price $47,940 $68,190
Total Invoice $44,660 $63,568

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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.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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: $21,290
TrueDelta Adjusted Invoice Difference: $19,877
Model Year20182008
ModelA3 / S3 / RS3SLK
TrimA3 2.0 TFSISLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine220hp I4355hp V8
TransmissionS6T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)19/28 MPG14/20 MPG
Audio (watts, speakers)140, 9?, 9
Tire (rear if not all the same)225/40-18225/40-18
Total Price$47,940$68,190
Adjustments for Features-1,0400
Feature-Adjusted Total Price$46,900$68,190
Total Invoice$44,660$63,568
Adjustments for Features-9690
Feature-Adjusted Total Invoice$43,691$63,568

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

Model Year20182008
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 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 
Android Auto support$100 
Apple CarPlay support$100 
Aux input$50 
Bluetooth audio streaming$25 
Bluetooth cell phone link$100 
CD player $125
HD radio$50 
iPod integration $100
MP3-compatible player$50 
SD Card slot$25 
Telematics service, such as OnStar $200
USB port$25 
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 
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$11,250$10,210
Value of Feature Adjustments$1,040$0
Value of Feature Adjustments-9690

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

Model Year20182008
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
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 lighting150Yes
Apple CarPlay support100No
Android Auto support100No
Total Requested40021%
Total Not Requested155079%

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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