BMW 6-Series BMW 6-Series 2009 Mercedes-Benz SLK Mercedes-Benz SLK 2015

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BMW 6-Series 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.

BMW 6-Series vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $78,825

Mercedes-Benz SLK SLK55 AMG   
Difference: $35,795

Lowest Total Invoice: $73,374

Mercedes-Benz SLK SLK55 AMG   
Difference: $32,536

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092015
Model6-SeriesSLK
TrimM6SLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $107,900 $70,900
Base Invoice $99,450 $65,937
iPod integration 400  
Auto-dimming headlights 250  
HD radio 350  
Proximity key 1,000 650
Carbon fiber trim 300 2,250
Satellite radio - one year subscription 595  
Becker Map Pilot   800
Automatic climate control, front   760
Obstacle detection, rear   970
Metallic paint (extra cost)   720
Illuminated door sill trim plates   850
iPod integration 365  
Auto-dimming headlights 230  
HD radio 315  
Proximity key 910 605
Carbon fiber trim 275 2,093
Satellite radio - one year subscription 540  
Becker Map Pilot   744
Automatic climate control, front   707
Obstacle detection, rear   902
Metallic paint (extra cost)   670
Illuminated door sill trim plates   791
Options (change) 2,895 7,000
Options (change) 2,635 6,512
Destination 825 925
Gas Tax 3,000 0
Total Price $114,620 $78,825
Total Invoice $105,910 $73,374

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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 BMW 6-Series dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW 6-Series vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $37,575
TrueDelta Adjusted Invoice Difference: $34,193
Model Year20092015
Model6-SeriesSLK
TrimM6SLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine500hp V10415hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)11/17 MPG19/28 MPG
Audio (watts, speakers)315, 13500, 11
Tire (rear if not all the same)255/40-19235/40-18
Total Price$114,620$78,825
Adjustments for Features0-1,780
Feature-Adjusted Total Price$114,620$77,045
Total Invoice$105,910$73,374
Adjustments for Features0-1,657
Feature-Adjusted Total Invoice$105,910$71,717

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Features Comparison: BMW 6-Series vs. Mercedes-Benz SLK

Model Year20092015
Model6-SeriesSLK
TrimM6SLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Parking guidance system - passive $250
Power rear side windows$200 
Power retractable rear window$350 
Remote app $25
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests$500 
Driver drowsiness monitor $150
Roll bar $200
Side curtain airbags $350
Temporary spare tire $150
Torque vectoring, brake-based $100
Cargo Management 
Cargo mat$40 
Rear seat pass-through$100 
Ski sack$50 
Climate Control 
Automatic air recirculation$100 
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Exterior 
Body kit $0
Glass roof panel(s) $300
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
Bluetooth audio streaming $25
iPod integration$100 
Satellite radio $200
Satellite radio - one year subscription$250 
SMS text-to-speech reader $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
USB port $25
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Compass $0
Fog light, rear $100
Fog lights$125 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim$100 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Memory system, passenger seat $150
Metal pedals $75
Neck-level heating, front seats $150
No leather in second row $-300
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Active stabilizer bars$500 
Adaptive dampers - electrical$500 
Electronic systems calibration selector$200 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Total Value of Features$9,290$11,070
Value of Feature Adjustments$0$1,780
Value of Feature Adjustments0-1,657

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Specifications Comparison: BMW 6-Series vs. Mercedes-Benz SLK

Model Year20092015
Model6-SeriesSLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase109.4 in95.7 in
Length190.2 in162.8 in
Width73.0 in71.5 in
Height54.1 in51.2 in
Curb Weight4,372 lb.3,583 lb.
Fuel Capacity18.5 gal.15.9 gal.
Row 1 Headroom37.8 in38.0 in
Row 1 Shoulder Room56.4 in52.2 in
Row 1 Legroom42.0 in42.5 in
Row 2 Headroom36.5 in0.0 in
Row 2 Shoulder Room49.4 in0.0 in
Row 2 Legroom28.8 in0.0 in
Cargo Volume,
Minimum
10.6 ft36.4 ft3
Cargo Volume,
Maximum
10.610.1 ft3

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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%
Becker Map Pilot
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25Yes
Total Requested725100%
Total Not Requested00%

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