Mercedes-Benz SLK Mercedes-Benz SLK 2007 Audi A4 / S4 Audi A4 / S4 2018

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Mercedes-Benz SLK vs. Audi A4 / S4 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 A4 / S4 Invoice Comparison

Lowest Total Price: $52,950

Audi A4 / S4 S4 3.0T   
Difference: $16,360

Lowest Total Invoice: $49,313

Audi A4 / S4 S4 3.0T   
Difference: $15,289

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072018
ModelSLKA4 / S4
TrimSLK55 AMGS4 3.0T
Body2dr Hardtop conv.4dr Sedan
Base Price $62,500 $51,400
Base Invoice $58,125 $47,802
Lighting Package 1,000  
Premium II Package 1,400  
Metallic paint (extra cost) 700 575
Automatic climate control, front 710  
Bluetooth cell phone link 925  
Lighting Package 930  
Premium II Package 1,302  
Metallic paint (extra cost) 650 536
Automatic climate control, front 660  
Bluetooth cell phone link 860  
Options (change) 4,735 575
Options (change) 4,402 536
Destination 775 975
Gas Tax 1,300 0
Total Price $69,310 $52,950
Total Invoice $64,602 $49,313

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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 A4 / S4 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: Mercedes-Benz SLK vs. Audi A4 / S4

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $18,075
TrueDelta Adjusted Invoice Difference: $16,886
Model Year20072018
ModelSLKA4 / S4
TrimSLK55 AMGS4 3.0T
Body2dr Hardtop conv.4dr Sedan
Engine355hp V8354hp V6
TransmissionT7T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)16/22 MPG21/30 MPG
Audio (watts, speakers)380, 11755, 19
Tire (rear if not all the same)225/40-18245/40-18
Total Price$69,310$52,950
Adjustments for Features0-1,715
Feature-Adjusted Total Price$69,310$51,235
Total Invoice$64,602$49,313
Adjustments for Features0-1,597
Feature-Adjusted Total Invoice$64,602$47,716

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Features Comparison: Mercedes-Benz SLK vs. Audi A4 / S4

Model Year20072018
ModelSLKA4 / S4
TrimSLK55 AMGS4 3.0T
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
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 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Blind spot warning system $200
Collision preparation system, rear $100
Cross-traffic warning, rear $100
Driver drowsiness monitor $150
Forward collision warning $200
Obstacle detection, front $150
Obstacle detection, rear $250
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Rearview camera $200
Rollover sensor $50
Secondary collision brake assist $25
Side curtain airbags $350
Tire-pressure monitor $75
Torque vectoring, brake-based $100
Vehicle exit assist $25
Cargo Management 
Air-conditioned storage compartment $50
Climate Control 
Rear air vents with automatic controls $250
Residual heat$50 
Engine / Motor 
Automatic start / stop $150
Regenerative braking $0
Exterior 
Power retractable hardtop$6750 
Sunroof $900
Infotainment 
Android Auto support $100
Apple CarPlay support $100
Bluetooth audio streaming $25
CD player$125 
CD player, remote $100
HD radio $50
MP3-compatible player $50
Voice control for audio system $25
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming passenger-side mirror $75
Boost gauge $75
Compass $0
Cornering lights$50 
Headlight washers$50 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
LED headlights $1000
Mirror tilt-down in reverse$25 
Power-folding mirrors $50
Visor mirror, driver$10 
Visor mirror, passenger$10 
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row $50
Folding second row seats $300
Illuminated door sill trim plates $200
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat$150 
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Synthetic suede door panel trim $250
Suspension, Wheels, and Tires 
Electronic systems calibration selector $200
Transmission 
Launch control $100
Total Value of Features$9,410$11,125
Value of Feature Adjustments$0$1,715
Value of Feature Adjustments0-1,597

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Specifications Comparison: Mercedes-Benz SLK vs. Audi A4 / S4

Model Year20072018
ModelSLKA4 / S4
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in111.0 in
Length160.7 in186.1 in
Width70.4 in72.5 in
Height51.0 in56.2 in
Curb Weight3,420 lb.3,858 lb.
Fuel Capacity18.5 gal.16.9 gal.
Row 1 Headroom37.9 in38.9 in
Row 1 Shoulder Room52.2 in55.9 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in41.3 in
Row 2 Headroom0.0 in37.4 in
Row 2 Shoulder Room0.0 in54.5 in
Row 2 Legroom0.0 in35.7 in
Cargo Volume,
Minimum
6.5 ft313.0 ft3
Cargo Volume,
Maximum
9.8 ft313.0 ft3

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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?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested30046%
Total Not Requested35054%

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