Mercedes-Benz SLK Mercedes-Benz SLK 2006 BMW 4-Series BMW 4-Series 2021

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Mercedes-Benz SLK vs. BMW 4-Series 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. BMW 4-Series Invoice Comparison

Lowest Total Price: $58,995

BMW 4-Series 430i   
Difference: $9,515

Calculate Payments

  Down Payment Interest Rate Term
Model Year200620212021
ModelSLK4-Series4-Series
TrimSLK55 AMG430iM440i
Body2dr Hardtop conv.2dr Convertible2dr Convertible
Base Price $61,500 $53,100 $64,000
Lighting Package 990    
Premium Package 1,470 2,300 2,000
Satellite radio 500    
Metallic paint (extra cost) 690 550 550
Bluetooth cell phone link 925    
Neck-level heating, front seats 360 500 500
Leather seating surfaces   1,550  
Lighting Package 921    
Premium Package 1,367 2,115 1,840
Satellite radio 465    
Metallic paint (extra cost) 642 505 505
Bluetooth cell phone link 860    
Neck-level heating, front seats 335 460 460
Leather seating surfaces   1,425  
Options (change) 4,935 4,900 3,050
Options (change) 4,590 4,505 2,805
Destination 775 995 995
Gas Tax 1,300 0 0
Total Price $68,510 $58,995 $68,045

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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 BMW 4-Series dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mercedes-Benz SLK vs. BMW 4-Series

Lowest Adjusted Price: BMW 4-Series 430i
Lowest Adjusted Invoice: BMW 4-Series M440i
TrueDelta Adjusted Price Difference: $15,260
TrueDelta Adjusted Invoice Difference: $60,395
Model Year200620212021
ModelSLK4-Series4-Series
TrimSLK55 AMG430iM440i
Body2dr Hardtop conv.2dr Convertible2dr Convertible
Engine355hp V8255hp I4382hp I6 H
TransmissionT7T8T8
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)16/22 MPG16/23 MPG16/23 MPG
Audio (watts, speakers)?, 9205, 9600, 16
Tire (rear if not all the same)225/40-18225/45-18225/45-18
Total Price$68,510$58,995$68,045
Adjustments for Features0-5,745-5,995
Feature-Adjusted Total Price$68,510$53,250$62,050
Cost Above Minimum$0$0$8,800

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Features Comparison: Mercedes-Benz SLK vs. BMW 4-Series

Model Year200620212021
ModelSLK4-Series4-Series
TrimSLK55 AMG430iM440i
Body2dr Hardtop conv.2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200  
8-speed manually-shiftable automatic $1300$1300
RWD$0$0$0
Accessories 
Hands-free trunk or liftgate $100$100
Power rear side windows $200$200
Proximity key $250$250
Remote app $25$25
Tilt/telescoping steering wheel, manual $250$250
Tilt/telescoping steering wheel, power$350  
Wind blocker $300$300
Wind blocker, small$100  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0
Auto-raising roll bars / headrests $500$500
Obstacle detection, front $150$150
Obstacle detection, rear $250$250
Rearview camera $200$200
Side curtain airbags $350$350
Tire-pressure monitor $75$75
Tires, run-flat $150$150
Cargo Management 
Air-conditioned storage compartment $50$50
Rear seat pass-through $100$100
Second-row low console $100$100
Climate Control 
Rear air vents with manual controls $150$150
Engine / Motor 
Automatic start / stop $150$150
Regenerative braking $0$0
Exterior 
Body kit$0  
Bright-finished exhaust tip(s)$25  
Rear spoiler$200  
Infotainment 
4G LTE connectivity $0$0
App support $0$0
Aux input $50$50
Bluetooth audio streaming $25$25
DVD-compatible player $0$0
Handwriting recognition $200$200
HD radio $50$50
In-vehicle Internet $150$150
Media drive $15$15
MP3-compatible player $50$50
Navigation map updates, three years $0$0
Navigation system $600$600
S Voice support $0$0
Siri Eyes Free support $0$0
Surround sound  $250
Traffic + travel information $25$25
Voice control for external devices $0$0
Voice control for nav and audio $100$100
Instruments, Lights, and Mirrors 
Analog clock$25  
Compass $0$0
Cornering lights$50  
Fog light, rear$100  
Headlight washers$50  
Illuminated visor mirror, driver $50$50
Illuminated visor mirror, passenger $50$50
LED headlights $1000$1000
Power-folding mirrors $50$50
Visor mirror, driver$10  
Visor mirror, passenger$10  
Xenon HID headlights$500  
Seats and Interior Trim 
Aluminum trim$100  
Center armrest(s), second row $50$50
Folding second row seats $300$300
Manual thigh support length adjuster, driver seat $50$50
Manual thigh support length adjuster, passenger seat $50$50
Memory system, passenger seat$150  
Power 4-way lumbar adjuster, driver seat $150$150
Power 4-way lumbar adjuster, passenger seat $150$150
Power seatback bolsters, driver seat $100$100
Power seatback bolsters, passenger seat $100$100
Synthetic suede inserts in leather seating surfaces$0  
Wood trim $300$300
Suspension, Wheels, and Tires 
Electronic systems calibration selector $200$200
Sport suspension (upgrade)$0  
Transmission 
Launch control $100$100
Total Value of Features$2,870$8,615$8,865
Value of Feature Adjustments$0$5,745$5,995
Value of Feature Adjustments0-536-335

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Specifications Comparison: Mercedes-Benz SLK vs. BMW 4-Series

Model Year20062021
ModelSLK4-Series
Body2dr Hardtop conv.2dr Convertible
Wheelbase95.7 in112.2 in
Length160.7 in187.9 in
Width70.4 in72.9 in
Height51.0 in54.6 in
Curb Weight3,420 lb.4,170 lb.
Fuel Capacity18.5 gal.15.6 gal.
Row 1 Headroom37.9 in40.6 in
Row 1 Shoulder Room52.2 in55.1 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in41.8 in
Row 2 Headroom0.0 in36.1 in
Row 2 Shoulder Room0.0 in43.9 in
Row 2 Legroom0.0 in32.5 in
Cargo Volume,
Minimum
6.5 ft37.8 ft3
Cargo Volume,
Maximum
9.8 ft37.8 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 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Total Requested475100%
Total Not Requested00%

Option Package Details
BMW 4-Series 430i

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Navigation system600No
Traffic + travel information25No
Remote app25No
Total Requested20012%
Total Not Requested141588%

Option Package Details
BMW 4-Series M440i

Premium Package
FeatureValueRequested?
Heated front seats200Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Navigation system600No
Traffic + travel information25No
Remote app25No
Total Requested20015%
Total Not Requested111585%

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