BMW 6-Series BMW 6-Series 2018 Mercedes-Benz M-Class Mercedes-Benz M-Class 2008

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BMW 6-Series vs. Mercedes-Benz M-Class 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 M-Class Invoice Comparison

Lowest Total Price: $92,895

BMW 6-Series 640i   
Difference: $105

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820182008
Model6-Series6-SeriesM-Class
Trim640i650iML63 AMG
Body2dr Convertible2dr Convertible4dr SUV
Base Price $86,700 $98,300 $87,000
Executive Package 3,300    
Adaptive cruise control, all-speed 1,900 1,900  
Obstacle detection, rear     770
Cargo mat     160
iPod integration     375
Voice control for nav and audio     510
Proximity key     1,110
Adaptive cruise control     2,200
Executive Package 3,035    
Adaptive cruise control, all-speed 1,750 1,750  
Obstacle detection, rear     716
Cargo mat     149
iPod integration     349
Voice control for nav and audio     474
Proximity key     1,032
Adaptive cruise control     2,046
Options (change) 5,200 1,900 5,125
Options (change) 4,785 1,750 4,766
Destination 995 995 875
Total Price $92,895 $101,195 $93,000

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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 M-Class dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price: BMW 6-Series 640i
Lowest Adjusted Invoice: BMW 6-Series 650i
TrueDelta Adjusted Price Difference: $2,815
TrueDelta Adjusted Invoice Difference: $83,677
Model Year201820182008
Model6-Series6-SeriesM-Class
Trim640i650iML63 AMG
Body2dr Convertible2dr Convertible4dr SUV
Engine315hp I6445hp V8503hp V8
TransmissionT8T8T7
DrivetrainRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)600, 12600, 12440, 12
Tire (rear if not all the same)245/45-18245/40-19295/40-20
Total Price$92,895$101,195$93,000
Adjustments for Features-2,710-1,7600
Feature-Adjusted Total Price$90,185$99,435$93,000
Cost Above Minimum$0$9,250$0

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Features Comparison: BMW 6-Series vs. Mercedes-Benz M-Class

Model Year201820182008
Model6-Series6-SeriesM-Class
Trim640i650iML63 AMG
Body2dr Convertible2dr Convertible4dr SUV
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300 
7-speed manually-shiftable automatic  $1200
RWD$0$0 
AWD  $1700
Accessories 
Adaptive cruise control  $600
Adaptive cruise control, all-speed$850$850 
Power door closers$300  
Power liftgate  $350
Power retractable rear window$350$350 
Remote app$25$25 
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500 
Automatic braking, high-speed or partial$200$200 
Forward collision warning$200$200 
Hill descent control  $250
Knee airbag, driver$75$75 
Knee airbag, passenger$75$75 
Lane departure warning$200$200 
Radar- or camera-based collision preparation system$0$0 
Rear side airbags  $300
Rollover sensor  $50
Side curtain airbags  $350
Temporary spare tire  $150
Tires, run-flat$150$150 
Trailer sway control  $25
Cargo Management 
Cargo area partition net  $40
Cargo area rails w/tie downs  $50
Cargo cover  $75
Console with shifter$150$150 
Console without shifter  $150
Roof rails  $250
Climate Control 
Rear air vents with automatic controls  $250
Rear wiper  $175
Engine / Motor 
Automatic start / stop$150$150 
Dual-mode exhaust, switchable$500$500 
Regenerative braking$0$0 
Exterior 
Bodyside moldings  $75
Deep-tinted rear windows  $275
Power convertible top$4000$4000 
Rear bumper protector  $40
Running boards  $350
Sunroof  $900
Wheel-lip moldings  $75
Infotainment 
4G LTE connectivity$0$0 
App support$0$0 
Aux input$50$50 
Bluetooth audio streaming$25$25 
CD changer, remote  $200
Concierge Services - 3 year subscription$150$150 
DVD-compatible player$0$0 
Handwriting recognition$200$200 
HD radio$50$50 
In-vehicle Internet$150$150 
iPod integration  $100
Media drive$15$15 
Navigation map updates, three years$0$0 
Rear seat audio controls  $25
S Voice support$0$0 
Satellite radio  $200
Satellite radio - one year subscription$250$250 
Siri Eyes Free support$0$0 
SMS text-to-speech reader$25$25 
Text dictation$50$50 
Traffic + travel information$25$25 
USB port$25$25 
Voice control for external devices$0$0 
Voice recorder$0$0 
Wi-Fi hotspot$50$50 
Wireless charging station$75$75 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200$200 
Auto-dimming passenger-side mirror$75$75 
Chronometer  $100
Fog light, rear  $100
Head-up display (HUD)$350  
Interior ambient lighting$150$150 
Large color reconfigurable instrument cluster display$250$250 
LED headlights$1000$1000 
Xenon HID headlights  $500
Seats and Interior Trim 
Cooled or ventilated front seats$300 $300
Folding second row seats  $300
Metal pedals  $75
Power upper seatback recliner, driver seat$100$100 
Power upper seatback recliner, passenger seat$100$100 
Synthetic suede inserts in leather seating surfaces  $0
Upholstered instrument panel$300$300 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable  $1000
Electronic systems calibration selector$200$200 
Sport suspension (upgrade)  $0
Transmission 
Launch control$100$100 
Total Value of Features$13,290$12,340$10,580
Value of Feature Adjustments$2,710$1,760$0
Value of Feature Adjustments-174-510

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Specifications Comparison: BMW 6-Series vs. Mercedes-Benz M-Class

Model Year20182008
Model6-SeriesM-Class
Body2dr Convertible4dr SUV
Wheelbase112.4 in114.7 in
Length192.8 in188.5 in
Width74.6 in75.2 in
Height53.7 in71.5 in
Curb Weight4,256 lb.4,706 lb.
Fuel Capacity18.5 gal.25.1 gal.
Row 1 Headroom40.3 in39.9 in
Row 1 Shoulder Room56.9 in59.9 in
Row 1 Hip Room0.0 in55.0 in
Row 1 Legroom42.1 in42.2 in
Row 2 Headroom36.5 in39.8 in
Row 2 Shoulder Room49.6 in59.8 in
Row 2 Legroom30.5 in40.0 in
Cargo Volume,
Minimum
10.6 ft329.4 ft3
Cargo Volume,
Maximum
10.672.4 ft3

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Option Package Details
BMW 6-Series 640i

Executive Package
FeatureValueRequested?
Harman/Kardon, 600W, 12 speakers (with subwoofer)350No
Concierge Services - 3 year subscription150No
Cooled or ventilated front seats300Yes
Power door closers300No
Head-up display (HUD)350No
Surround sound250Yes
Power upper seatback recliner, passenger seat100No
Memory system, passenger seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power upper seatback recliner, driver seat100No
Power thigh support length adjuster, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Total Requested120047%
Total Not Requested135053%

Option Package Details
Mercedes-Benz M-Class ML63 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

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