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

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

Mercedes-Benz SLK vs. Audi A3 / S3 / RS3 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 Year20142018
ModelSLKA3 / S3 / RS3
TrimSLK55 AMGA3 2.0 TFSI
Body2dr Hardtop conv.2dr Convertible
Base Price $68,925 $38,350
Base Invoice $64,100 $35,666
Lighting Package 1,390  
Multimedia Package 2,150  
Automatic climate control, front 760  
Obstacle detection, rear 970  
Metallic paint (extra cost) 720 575
Proximity key 650  
Prestige Package   8,450
Sport Package   650
Carbon fiber rear spoiler   995
AWD   2,700
Sport suspension (upgrade)   250
Metal pedals   195
Lighting Package 1,293  
Multimedia Package 2,000  
Automatic climate control, front 707  
Obstacle detection, rear 902  
Metallic paint (extra cost) 670 536
Proximity key 605  
Prestige Package   7,860
Sport Package   606
Carbon fiber rear spoiler   926
AWD   2,512
Sport suspension (upgrade)   233
Metal pedals   182
Options (change) 6,640 13,815
Options (change) 6,177 12,855
Destination 925 975
Total Price $76,490 $53,140
Total Invoice $71,202 $49,496

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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 Mercedes-Benz SLK dealer quotes or Audi A3 / S3 / RS3 dealer quotes from dealers using our car quote form.

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

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 Year20142018
ModelSLKA3 / S3 / RS3
TrimSLK55 AMGA3 2.0 TFSI
Body2dr Hardtop conv.2dr Convertible
Engine415hp V8220hp I4
TransmissionT7S6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)19/28 MPG19/28 MPG
Audio (watts, speakers)500, 11625, 13
Tire (rear if not all the same)235/40-18225/40-18
Total Price$76,490$53,140
Adjustments for Features0-315
Feature-Adjusted Total Price$76,490$52,825
Total Invoice$71,202$49,496
Adjustments for Features0-293
Feature-Adjusted Total Invoice$71,202$49,203

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

Model Year20142018
ModelSLKA3 / S3 / RS3
TrimSLK55 AMGA3 2.0 TFSI
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed automated manual $1100
RWD$0 
AWD $1700
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$12,860$13,175
Value of Feature Adjustments$0$315
Value of Feature Adjustments0-293

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

Model Year20142018
ModelSLKA3 / S3 / RS3
Body2dr Hardtop conv.2dr Convertible
Wheelbase95.7 in102.2 in
Length162.8 in175.4 in
Width71.5 in70.2 in
Height51.2 in55.5 in
Curb Weight3,583 lb.3,824 lb.
Fuel Capacity15.9 gal.13.2 gal.
Row 1 Headroom38.0 in37.4 in
Row 1 Shoulder Room52.2 in54.8 in
Row 1 Legroom42.5 in41.2 in
Row 2 Headroom0.0 in36.3 in
Row 2 Shoulder Room0.0 in45.7 in
Row 2 Legroom0.0 in31.9 in
Cargo Volume,
Minimum
6.4 ft37.1 ft3
Cargo Volume,
Maximum
10.1 ft39.9 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200Yes
Total Requested70078%
Total Not Requested20022%
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%

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

AWD
FeatureValueRequested?
AWD0Yes
6-speed automated manual0No
turbocharged
2.0L I4
DOHC-4v
220 hp@4500
258 lb-ft@1600
1000No
Total Requested00%
Total Not Requested1000100%
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%

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