Audi A3 / S3 Audi A3 / S3 2015 Mercedes-Benz SLK Mercedes-Benz SLK 2008

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

Lowest Total Price: $40,590

Audi A3 / S3 A3 1.8 TFSI   
Difference: $13,425

Lowest Total Invoice: $37,813

Audi A3 / S3 A3 1.8 TFSI   
Difference: $12,481

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015200820082008
ModelA3 / S3A3 / S3SLKSLKSLK
TrimA3 1.8 TFSIA3 2.0 TFSISLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $35,600 $38,600 $44,150 $49,450 $63,200
Base Invoice $33,108 $35,898 $41,060 $45,988 $58,776
Cold Weather Package 500 500      
Navigation Plus Package 1,900 1,900      
iPod integration 350 350 375 375 375
Metallic paint (extra cost) 550 550 710 710 710
Metal pedals 195 195      
Sport suspension (upgrade) 250 250      
Aluminum trim 350 350      
Lighting Package     1,010 1,010 1,010
Heating Package     980 980  
Automatic climate control, front     720 720 720
Navigation system     1,200 1,200 1,200
Premium II Package     3,995 3,995 1,410
Cold Weather Package 467 467      
Navigation Plus Package 1,768 1,768      
iPod integration 325 325 349 349 349
Metallic paint (extra cost) 511 511 659 659 659
Metal pedals 181 181      
Sport suspension (upgrade) 233 233      
Aluminum trim 325 325      
Lighting Package     939 939 939
Heating Package     911 911  
Automatic climate control, front     670 670 670
Navigation system     1,116 1,116 1,116
Premium II Package     3,715 3,715 1,311
Options (change) 4,095 4,095 8,990 8,990 5,425
Options (change) 3,810 3,810 8,359 8,359 5,044
Destination 895 895 875 875 875
Gas Tax 0 0 0 0 1,300
Total Price $40,590 $43,590 $54,015 $59,315 $70,800
Total Invoice $37,813 $40,603 $50,294 $55,222 $65,995

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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 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 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Audi A3 / S3 A3 1.8 TFSI
TrueDelta Adjusted Price Difference: $10,915
TrueDelta Adjusted Invoice Difference: $10,144
Model Year20152015200820082008
ModelA3 / S3A3 / S3SLKSLKSLK
TrimA3 1.8 TFSIA3 2.0 TFSISLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine170hp I4220hp I4228hp V6268hp V6355hp V8
TransmissionS6S6M6T7T7
DrivetrainFWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)140, 9140, 9380, 11380, 11380, 11
Tire (rear if not all the same)225/45-17225/45-17205/55-16225/45-17225/40-18
Total Price$40,590$43,590$54,015$59,315$70,800
Adjustments for Features0-1,550-2,510-3,560-3,810
Feature-Adjusted Total Price$40,590$42,040$51,505$55,755$66,990
Cost Above Minimum$0$1,450$0$4,250$15,485
Total Invoice$37,813$40,603$50,294$55,222$65,995
Adjustments for Features0-1,444-2,337-3,314-3,551
Feature-Adjusted Total Invoice$37,813$39,159$47,957$51,908$62,444
Cost Above Minimum$0$1,346$0$3,951$14,487

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

Model Year20152015200820082008
ModelA3 / S3A3 / S3SLKSLKSLK
TrimA3 1.8 TFSIA3 2.0 TFSISLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed automated manual$1100$1100   
6-speed manual  $150  
7-speed manually-shiftable automatic   $1200$1200
FWD$0    
AWD $1700   
RWD  $0$0$0
Accessories 
Power rear side windows$200$200   
Remote window/roof operation  $15$15$15
Tilt/telescoping steering wheel, manual$250$250   
Tilt/telescoping steering wheel, power  $350$350$350
Universal garage door opener  $100$100$100
Wind blocker, small  $100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0   
Auto-raising roll bars / headrests$500$500   
Brake- or yaw-sensor-initiated collision preparation system$0$0   
Secondary collision brake assist$25$25   
Temporary spare tire$150 $150$150$150
Torque vectoring, brake-based$100$100   
Cargo Management 
Second-row low console$100$100   
Climate Control 
Automatic air recirculation$100$100   
Rear air vents$100$100   
Residual heat  $50$50$50
Exterior 
Body kit    $0
Power convertible top$4000$4000   
Power retractable hardtop  $6750$6750$6750
Rear spoiler    $200
Infotainment 
Aux input  $50$50$50
Bluetooth audio streaming$25$25   
CD player  $125$125$125
DVD-compatible player$0$0   
Handwriting recognition$200$200   
HD radio$50$50   
MP3-compatible player$50$50   
SD Card slot$25$25   
Surround sound  $250$250$250
Telematics service, such as OnStar  $200$200$200
Traffic + travel information$25$25   
Voice control for nav and audio$100$100   
Instruments, Lights, and Mirrors 
Analog clock  $25$25$25
Auto-dimming driver-side mirror  $75$75$75
Auto-dimming rearview mirror  $150$150$150
Cornering lights  $50$50$50
Fog lights  $125$125$125
Headlight washers  $50$50$50
Illuminated visor mirror, driver$50$50   
Illuminated visor mirror, passenger$50$50   
Interior ambient lighting  $150$150$150
Mirror tilt-down in reverse  $25$25$25
Visor mirror, driver  $10$10$10
Visor mirror, passenger  $10$10$10
Seats and Interior Trim 
Aluminum trim$100$100  $100
Door sill trim plates  $100$100$100
Folding second row seats$300$300   
Leather door panel trim  $250$250$250
Manual height adjuster, driver seat$50$50   
Manual height adjuster, passenger seat$50$50   
Manual tilt adjuster, driver seat$50$50   
Manual tilt adjuster, passenger seat$50$50   
Memory system, driver seat  $200$200$200
Memory system, passenger seat  $150$150$150
Neck-level heating, front seats  $150$150 
No leather in second row  $-300$-300$-300
Power fore-aft adjuster, driver seat  $100$100$100
Power fore-aft adjuster, passenger seat  $100$100$100
Power height adjuster, driver seat  $100$100$100
Power height adjuster, passenger seat  $100$100$100
Power recliner, driver seat  $100$100$100
Power recliner, passenger seat  $100$100$100
Power tilt adjuster, driver seat  $100$100$100
Power tilt adjuster, passenger seat  $100$100$100
Synthetic suede inserts in leather seating surfaces    $0
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0$0  $0
Transmission 
Steering-wheel-mounted transmission controls    $100
Total Value of Features$7,800$9,350$10,310$11,360$11,610
Value of Feature Adjustments$0$1,550$2,510$3,560$3,810
Value of Feature Adjustments0-1,444-2,337-3,314-3,551

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

Model Year20152008
ModelA3 / S3SLK
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 Weight3,397 lb.3,210 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 A3 1.8 TFSI

Cold Weather Package
FeatureValueRequested?
Heated mirrors25Yes
Heated front seats200Yes
Heated windshield washer nozzles15Yes
Total Requested240100%
Total Not Requested00%
Navigation Plus Package
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Traffic + travel information25No
Handwriting recognition200No
Total Requested60065%
Total Not Requested32535%

Option Package Details
Audi A3 / S3 A3 2.0 TFSI

Cold Weather Package
FeatureValueRequested?
Heated mirrors25Yes
Heated front seats200Yes
Heated windshield washer nozzles15Yes
Total Requested240100%
Total Not Requested00%
Navigation Plus Package
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Traffic + travel information25No
Handwriting recognition200No
Total Requested60065%
Total Not Requested32535%

Option Package Details
Mercedes-Benz SLK SLK280

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50No
Satellite radio200Yes
Power height adjuster, passenger seat50No
Tilt/telescoping steering wheel, power100No
Power tilt adjuster, passenger seat50No
Power fore-aft adjuster, driver seat100No
Auto-dimming driver-side mirror75No
Power height adjuster, driver seat50No
Remote window/roof operation15No
Power tilt adjuster, driver seat50No
Mirror tilt-down in reverse25No
Power recliner, driver seat100No
Interior ambient lighting150No
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100No
Power fore-aft adjuster, passenger seat100No
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100No
Auto-dimming rearview mirror150No
Rain-sensing wipers175Yes
Memory system, driver seat200No
Memory system, passenger seat150No
Total Requested77526%
Total Not Requested221574%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50No
Satellite radio200Yes
Power height adjuster, passenger seat50No
Tilt/telescoping steering wheel, power100No
Power tilt adjuster, passenger seat50No
Power fore-aft adjuster, driver seat100No
Auto-dimming driver-side mirror75No
Power height adjuster, driver seat50No
Remote window/roof operation15No
Power tilt adjuster, driver seat50No
Mirror tilt-down in reverse25No
Power recliner, driver seat100No
Interior ambient lighting150No
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100No
Power fore-aft adjuster, passenger seat100No
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100No
Auto-dimming rearview mirror150No
Rain-sensing wipers175Yes
Memory system, driver seat200No
Memory system, passenger seat150No
Total Requested77526%
Total Not Requested221574%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50No
Total Requested10013%
Total Not Requested65087%

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