Mercedes-Benz SLK Mercedes-Benz SLK 2006 BMW 6-Series Gran Coupe BMW 6-Series Gran Coupe 2018

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

Lowest Total Price: $53,340

Mercedes-Benz SLK SLK280   
Difference: $29,055

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620062018201820182018
ModelSLKSLKSLK6-Series Gran Coupe6-Series Gran Coupe6-Series Gran Coupe6-Series Gran Coupe
TrimSLK280SLK350SLK55 AMG640i650iM6ALPINA B6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $42,900 $46,950 $61,500 $81,400 $93,000 $119,800 $124,300
Lighting Package 990 990 990        
Interior Trim Package 710 710          
Comfort Package 1,300 1,300          
Premium Package 1,200 1,200 1,470        
Tires, run-flat 260 260          
Metallic paint (extra cost) 690 690 690        
Heated front seats 690 690          
Bluetooth cell phone link 925 925 925        
Navigation system 1,200 1,200          
Entertainment Package 1,700 1,700          
Satellite radio     500        
Wood trim           0  
Lighting Package 921 921 921        
Interior Trim Package 660 660          
Comfort Package 1,209 1,209          
Premium Package 1,116 1,116 1,367        
Tires, run-flat 242 242          
Metallic paint (extra cost) 642 642 642        
Heated front seats 642 642          
Bluetooth cell phone link 860 860 860        
Navigation system 1,116 1,116          
Entertainment Package 1,581 1,581          
Satellite radio     465        
Wood trim           0  
Options (change) 9,665 9,665 4,575 0 0 0 0
Options (change) 8,989 8,989 4,255 0 0 0 0
Destination 775 775 775 995 995 995 995
Gas Tax 0 0 1,300 0 0 1,300 0
Total Price $53,340 $57,390 $68,150 $82,395 $93,995 $122,095 $125,295

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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 6-Series Gran Coupe dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price: Mercedes-Benz SLK SLK280
Lowest Adjusted Invoice: BMW 6-Series Gran Coupe ALPINA B6
TrueDelta Adjusted Price Difference: $28,445
TrueDelta Adjusted Invoice Difference: $48,531
Model Year2006200620062018201820182018
ModelSLKSLKSLK6-Series Gran Coupe6-Series Gran Coupe6-Series Gran Coupe6-Series Gran Coupe
TrimSLK280SLK350SLK55 AMG640i650iM6ALPINA B6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine228hp V6268hp V6355hp V8315hp I6445hp V8560hp V8600hp V8
TransmissionM6M6T7T8T8S7T8
DrivetrainRWDRWDRWDRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)380, 11380, 11?, 9205, 9205, 9205, 9205, 9
Tire (rear if not all the same)205/55-16225/45-17225/40-18245/45-18245/40-19265/35-20255/35-20
Total Price$53,340$57,390$68,150$82,395$93,995$122,095$125,295
Adjustments for Features00-75-610-1,760-2,060-4,785
Feature-Adjusted Total Price$53,340$57,390$68,075$81,785$92,235$120,035$120,510
Cost Above Minimum$0$4,050$14,735$0$10,450$38,250$38,725

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

Model Year2006200620062018201820182018
ModelSLKSLKSLK6-Series Gran Coupe6-Series Gran Coupe6-Series Gran Coupe6-Series Gran Coupe
TrimSLK280SLK350SLK55 AMG640i650iM6ALPINA B6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150     
7-speed manually-shiftable automatic  $1200    
8-speed manually-shiftable automatic   $1300$1300 $1300
7-speed automated manual     $1200 
RWD$0$0$0$0$0$0 
AWD      $1700
Accessories 
Power door closers     $300$300
Power rear side windows   $200$200$200$200
Proximity key   $250$250$250$250
Remote app   $25$25$25$25
Wind blocker, small$100$100$100    
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats   $0$0$0$0
Hill descent control      $250
Obstacle detection, front   $150$150$150$150
Obstacle detection, rear   $250$250$250$250
Rearview camera   $200$200$200$200
Side curtain airbags   $350$350$350$350
Tire-pressure monitor$75$75 $75$75$75$75
Tires, run-flat$150$150 $150$150 $150
Cargo Management 
Cargo mat   $40$40$40$40
Rear seat pass-through   $100$100$100$100
Ski sack   $50$50$50$50
Climate Control 
Rear air vents with automatic controls     $250$250
Rear air vents with manual controls   $150$150  
Rear dual-zone climate control     $125$125
Drivetrain 
Active rear differential     $500 
Engine / Motor 
Automatic start / stop   $150$150$150$150
Dual-mode exhaust, switchable   $500$500$500$500
Regenerative braking   $0$0$0$0
Exterior 
Body kit  $0    
Carbon fiber roof     $0 
Painted brake calipers (optional)     $0 
Power retractable hardtop$6750$6750$6750    
Power-venting glass roof panel   $300$300  
Rear spoiler  $200   $200
Infotainment 
4G LTE connectivity   $0$0$0$0
App support   $0$0$0$0
Aux input   $50$50$50$50
Bluetooth audio streaming   $25$25$25$25
Concierge Services - 3 year subscription    $150$150$150
DVD-compatible player   $0$0$0$0
Handwriting recognition   $200$200$200$200
HD radio   $50$50$50$50
In-vehicle Internet   $150$150$150$150
Media drive   $15$15$15$15
MP3-compatible player   $50$50$50$50
Navigation map updates, three years   $0$0$0$0
Navigation system$600$600 $600$600$600$600
S Voice support   $0$0$0$0
Siri Eyes Free support   $0$0$0$0
SMS text-to-speech reader   $25$25$25$25
Surround sound$250$250  $250$250$250
Text dictation   $50$50$50$50
Traffic + travel information   $25$25$25$25
Voice control for external devices   $0$0$0$0
Voice control for nav and audio   $100$100$100$100
Wi-Fi hotspot   $50$50$50$50
Wireless charging station   $75$75$75$75
Instruments, Lights, and Mirrors 
Analog clock$25$25$25    
Auto-dimming headlights   $200$200$200$200
Auto-dimming passenger-side mirror   $75$75$75$75
Fog light, rear$100$100$100    
Fog lights$125$125$125$125$125 $125
Illuminated visor mirror, driver   $50$50$50$50
Illuminated visor mirror, passenger   $50$50$50$50
Large color reconfigurable instrument cluster display   $250$250  
LED headlights   $1000$1000$1000$1000
Power-folding mirrors   $50$50$50$50
Steering-linked headlights   $150$150$150$150
Visor mirror, driver$10$10$10    
Visor mirror, passenger$10$10$10    
Xenon HID headlights$500$500$500    
Seats and Interior Trim 
Aluminum trim  $100    
Center armrest(s), second row   $50$50$50$50
Folding second row seats   $300$300$300$300
Illuminated door sill trim plates     $200$200
Leather-wrapped steering wheel  $150$150$150$150$150
Memory system, passenger seat$150$150$150 $150$150$150
Power 4-way lumbar adjuster, driver seat   $150$150$150$150
Power 4-way lumbar adjuster, passenger seat   $150$150$150$150
Power headrest height adjuster, driver seat   $50$50$50$50
Power headrest height adjuster, passenger seat   $50$50$50$50
Power seatback bolsters, driver seat    $100$100$100
Power seatback bolsters, passenger seat    $100$100$100
Power thigh support length adjuster, driver seat    $100$100$100
Power thigh support length adjuster, passenger seat    $100$100$100
Power upper seatback recliner, driver seat    $100$100$100
Power upper seatback recliner, passenger seat    $100$100$100
Synthetic suede inserts in leather seating surfaces  $0    
Upholstered instrument panel   $300$300$300 
Upholstered instrument panel, leather      $1000
Wood trim$300$300 $300$300$300$300
Wood/leather-wrapped steering wheel$150$150     
Suspension, Wheels, and Tires 
Adaptive dampers - electrical   $500$500$500$500
Electronic systems calibration selector   $200$200$200$200
Sport suspension (upgrade)  $0  $0$0
Transmission 
Launch control   $100$100$100$100
Steering-wheel-mounted transmission controls  $100$100$100$100$100
Total Value of Features$9,445$9,445$9,520$10,055$11,205$11,505$14,230
Value of Feature Adjustments$0$0$75$610$1,760$2,060$4,785
Value of Feature Adjustments00-70-9-22-42-45

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

Model Year20062018
ModelSLK6-Series Gran Coupe
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in116.9 in
Length160.7 in197.2 in
Width70.4 in74.6 in
Height51.0 in54.8 in
Curb Weight3,210 lb.4,192 lb.
Fuel Capacity18.5 gal.18.5 gal.
Row 1 Headroom37.9 in40.6 in
Row 1 Shoulder Room52.2 in56.7 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in42.1 in
Row 2 Headroom0.0 in37.0 in
Row 2 Shoulder Room0.0 in54.6 in
Row 2 Legroom0.0 in35.3 in
Cargo Volume,
Minimum
6.5 ft316.2 ft3
Cargo Volume,
Maximum
9.8 ft316.2 ft3

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Option Package Details
Mercedes-Benz SLK SLK280

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Comfort Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25Yes
Total Requested1300100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Variable assist steering (optional)0No
Remote window/roof operation15Yes
Total Requested490100%
Total Not Requested00%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Comfort Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25Yes
Total Requested1300100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Variable assist steering (optional)0No
Remote window/roof operation15Yes
Total Requested490100%
Total Not Requested00%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

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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