BMW 6-Series Gran Coupe BMW 6-Series Gran Coupe 2013 Mercedes-Benz SLK Mercedes-Benz SLK 2006
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BMW 6-Series Gran Coupe 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 Gran Coupe vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $67,650

Mercedes-Benz SLK SLK55 AMG   
Difference: $20,445

Lowest Total Invoice: $63,060

Mercedes-Benz SLK SLK55 AMG   
Difference: $18,240

Calculate Payments

  Down Payment Interest Rate Term
Model Year20132006
Model6-Series Gran CoupeSLK
Trim650iSLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $87,200 $61,500
Base Invoice $80,405 $57,195
Lighting Package   990
Premium Package   1,470
Metallic paint (extra cost)   690
Bluetooth cell phone link   925
Lighting Package   921
Premium Package   1,367
Metallic paint (extra cost)   642
Bluetooth cell phone link   860
Options (change) 0 4,075
Options (change) 0 3,790
Destination 895 775
Gas Tax 0 1,300
Total Price $88,095 $67,650
Total Invoice $81,300 $63,060

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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 Gran Coupe dealer quotes or Mercedes-Benz SLK 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: BMW 6-Series Gran Coupe vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $21,435
TrueDelta Adjusted Invoice Difference: $19,163
Model Year20132006
Model6-Series Gran CoupeSLK
Trim650iSLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Engine445hp V8355hp V8
TransmissionT8T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)17/25 MPG16/22 MPG
Audio (watts, speakers)205, 9?, 9
Tire (rear if not all the same)245/40-19225/40-18
Total Price$88,095$67,650
Adjustments for Features0-990
Feature-Adjusted Total Price$88,095$66,660
Total Invoice$81,300$63,060
Adjustments for Features0-923
Feature-Adjusted Total Invoice$81,300$62,137

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

Model Year20132006
Model6-Series Gran CoupeSLK
Trim650iSLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Power rear side windows$200 
Proximity key$250 
Remote app$25 
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Rearview camera$200 
Side curtain airbags$350 
Tire-pressure monitor$75 
Tires, run-flat$150 
Cargo Management 
Cargo mat$40 
Climate Control 
Rear air vents with manual controls$150 
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Body kit $0
Power retractable hardtop $6750
Power-venting glass roof panel$300 
Rear spoiler $200
Infotainment 
Aux input$50 
Bluetooth audio streaming$25 
DVD-compatible player$0 
HD radio$50 
Media drive$15 
MP3-compatible player$50 
Navigation system$600 
SMS text-to-speech reader$25 
Traffic information$25 
Voice control for external devices$0 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Fog light, rear $100
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Power-folding mirrors$50 
Steering-linked headlights$150 
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim $100
Folding second row seats$300 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Upholstered instrument panel$300 
Wood trim$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Electronic systems calibration selector$200 
Sport suspension (upgrade) $0
Total Value of Features$7,505$8,495
Value of Feature Adjustments$0$990
Value of Feature Adjustments0-923

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See a complete comparison of BMW 6-Series Gran Coupe vs. Mercedes-Benz SLK features.

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

Model Year20132006
Model6-Series Gran CoupeSLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase116.9 in95.7 in
Length197.2 in160.7 in
Width74.6 in70.4 in
Height54.8 in51.0 in
Curb Weight4,430 lb.3,420 lb.
Fuel Capacity18.5 gal.18.5 gal.
Row 1 Headroom40.6 in37.9 in
Row 1 Shoulder Room56.7 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom42.1 in42.5 in
Row 2 Headroom37.0 in0.0 in
Row 2 Shoulder Room54.6 in0.0 in
Row 2 Legroom35.3 in0.0 in
Cargo Volume,
Minimum		16.2 ft36.5 ft3
Cargo Volume,
Maximum		16.29.8 ft3

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See a complete comparison of BMW 6-Series Gran Coupe vs. Mercedes-Benz SLK specs.

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Total Requested475100%
Total Not Requested00%

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