Audi A3 / S3 / RS3 Audi A3 / S3 / RS3 2018 Mercedes-Benz SLK Mercedes-Benz SLK 2014

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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: $53,140

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $23,350

Lowest Total Invoice: $49,496

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $21,706

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182014
ModelA3 / S3 / RS3SLK
TrimA3 2.0 TFSISLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $38,350 $68,925
Base Invoice $35,666 $64,100
Prestige Package 8,450  
Sport Package 650  
Carbon fiber rear spoiler 995  
AWD 2,700  
Metal pedals 195  
Sport suspension (upgrade) 250  
Metallic paint (extra cost) 575 720
Multimedia Package   2,150
Lighting Package   1,390
Automatic climate control, front   760
Obstacle detection, rear   970
Proximity key   650
Prestige Package 7,860  
Sport Package 606  
Carbon fiber rear spoiler 926  
AWD 2,512  
Metal pedals 182  
Sport suspension (upgrade) 233  
Metallic paint (extra cost) 536 670
Multimedia Package   2,000
Lighting Package   1,293
Automatic climate control, front   707
Obstacle detection, rear   902
Proximity key   605
Options (change) 13,815 6,640
Options (change) 12,855 6,177
Destination 975 925
Total Price $53,140 $76,490
Total Invoice $49,496 $71,202

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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: $23,665
TrueDelta Adjusted Invoice Difference: $21,999
Model Year20182014
ModelA3 / S3 / RS3SLK
TrimA3 2.0 TFSISLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine220hp I4415hp V8
TransmissionS6T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)19/28 MPG19/28 MPG
Audio (watts, speakers)625, 13500, 11
Tire (rear if not all the same)225/40-18235/40-18
Total Price$53,140$76,490
Adjustments for Features-3150
Feature-Adjusted Total Price$52,825$76,490
Total Invoice$49,496$71,202
Adjustments for Features-2930
Feature-Adjusted Total Invoice$49,203$71,202

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

Model Year20182014
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 
Adaptive cruise control, all-speed$850 
Cruise control $150
Parking guidance system - passive $250
Power rear side windows$200 
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Universal garage door opener $100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500 
Automatic braking, low-speed$200 
Blind spot warning system$200 
Cross-traffic warning, rear$100 
Driver drowsiness monitor $150
Forward collision warning$200 
Lane departure prevention, steering-based$200 
Lane departure warning$200 
Radar- or camera-based collision preparation system$0 
Rearview camera$200 
Roll bar $200
Secondary collision brake assist$25 
Side curtain airbags $350
Temporary spare tire $150
Cargo Management 
Second-row low console$100 
Climate Control 
Automatic air recirculation$100 
Rear air vents$100 
Residual heat $50
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Exterior 
Carbon fiber rear spoiler$300 
Glass roof panel(s) $300
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
App support $0
Apple CarPlay support$100 
CD changer, in-dash $325
Handwriting recognition$200 
SMS text-to-speech reader $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock $25
Cornering lights$50 
Headlight washers $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Large color reconfigurable instrument cluster display$250 
LED headlights$1000 
Mirror tilt-down in reverse $25
Steering-linked headlights $150
Visor mirror, driver $10
Visor mirror, passenger $10
Xenon HID headlights $500
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
Neck-level heating, front seats $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$13,175$12,860
Value of Feature Adjustments$315$0
Value of Feature Adjustments-2930

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

Model Year20182014
ModelA3 / S3 / RS3SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase102.2 in95.7 in
Length175.4 in162.8 in
Width70.2 in71.5 in
Height55.5 in51.2 in
Curb Weight3,824 lb.3,583 lb.
Fuel Capacity13.2 gal.15.9 gal.
Row 1 Headroom37.4 in38.0 in
Row 1 Shoulder Room54.8 in52.2 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 ft36.4 ft3
Cargo Volume,
Maximum
9.9 ft310.1 ft3

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

Prestige Package
FeatureValueRequested?
Cornering lights50No
LED headlights500No
Auto-dimming driver-side mirror75Yes
Auto-dimming headlights200Yes
Power-folding mirrors50Yes
Lane departure warning200No
Adaptive cruise control, all-speed700No
Lane departure prevention, steering-based200No
Surround sound250Yes
Large color reconfigurable instrument cluster display250No
Bang & Olufsen, 625W, 13 speakers (with subwoofer)350No
225/40HR18 tires400No
Telematics service, such as OnStar200Yes
Handwriting recognition200No
Remote app25Yes
Speed limit information0No
Apple CarPlay support100No
Android Auto support100No
4G LTE connectivity0No
Auto-dimming rearview mirror150Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Compass0Yes
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 key250Yes
Interior ambient lighting150Yes
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
Total Requested274045%
Total Not Requested340055%
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%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

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, front150Yes
Parking guidance system - passive250No
Total Requested40062%
Total Not Requested25038%
Multimedia Package
FeatureValueRequested?
CD changer, in-dash200No
DVD-compatible player0Yes
Media drive, large15Yes
Traffic + travel information25Yes
SD Card slot25Yes
In-vehicle Internet150Yes
App support0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested91582%
Total Not Requested20018%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200Yes
Total Requested70078%
Total Not Requested20022%

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