BMW 6-Series BMW 6-Series 2008 Mercedes-Benz SL Mercedes-Benz SL 2017

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

Lowest Total Price: $116,620

BMW 6-Series M6   
Difference: $37,605

Lowest Total Invoice: $107,705

BMW 6-Series M6   
Difference: $35,790

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820172017
Model6-SeriesSLSL
TrimM6AMG SL63AMG SL65
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $106,100 $151,350 $219,850
Base Invoice $97,790 $140,756 $204,461
Power door closers 600 450  
Auto-dimming headlights 250    
HD radio 350    
iPod integration 400    
Upholstered instrument panel, leather 3,500    
Proximity key 1,000    
Wood trim 0 0 0
Satellite radio - one year subscription 595    
Ultra-sport suspension (upgrade)   1,500  
Power door closers 545 419  
Auto-dimming headlights 230    
HD radio 315    
iPod integration 365    
Upholstered instrument panel, leather 3,185    
Proximity key 910    
Wood trim 0 0 0
Satellite radio - one year subscription 540    
Ultra-sport suspension (upgrade)   1,395  
Options (change) 6,695 1,950 0
Options (change) 6,090 1,814 0
Destination 825 925 925
Gas Tax 3,000 0 1,300
Total Price $116,620 $154,225 $222,075
Total Invoice $107,705 $143,495 $206,686

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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 SL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: BMW 6-Series M6
TrueDelta Adjusted Price Difference: $24,695
TrueDelta Adjusted Invoice Difference: $23,778
Model Year200820172017
Model6-SeriesSLSL
TrimM6AMG SL63AMG SL65
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine500hp V10577hp V8621hp V12
TransmissionS7T7T7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)315, 13600, 11900, 12
Tire (rear if not all the same)255/40-19255/35-19255/35-19
Total Price$116,620$154,225$222,075
Adjustments for Features0-12,910-16,710
Feature-Adjusted Total Price$116,620$141,315$205,365
Cost Above Minimum$0$0$64,050
Total Invoice$107,705$143,495$206,686
Adjustments for Features0-12,012-15,552
Feature-Adjusted Total Invoice$107,705$131,483$191,134
Cost Above Minimum$0$0$59,651

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

Model Year200820172017
Model6-SeriesSLSL
TrimM6AMG SL63AMG SL65
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200  
7-speed manually-shiftable automatic $1200$1200
RWD$0$0$0
Accessories 
Adaptive cruise control, all-speed  $850
Cruise control$150$150 
Hands-free trunk or liftgate $100$100
Power rear side windows$200  
Power retractable rear window$350  
Power trunk / liftgate pull-down$50  
Power trunk closer $350$350
Remote app $25$25
Semi-automated parking system $500$500
Wind blocker, power small $300$300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0
Automatic braking, high-speed or partial $200$200
Automatic braking, low-speed $200$200
Blind spot collision prevention  $150
Blind spot warning system  $200
Brake- or yaw-sensor-initiated collision preparation system $0 
Collision preparation system, rear  $100
Cross-traffic detection for collision preparation system  $0
Cross-traffic warning, rear  $100
Driver drowsiness monitor $150$150
Forward collision warning $200$200
Lane departure warning  $200
Lane keeping assist  $400
Pedestrian detection  $50
Radar- or camera-based collision preparation system  $0
Rearview camera $200$200
Side curtain airbags $350$350
Torque vectoring, brake-based $100$100
Cargo Management 
Air-conditioned storage compartment $50$50
Cargo mat$40  
Rear seat pass-through$100  
Ski sack$50  
Storage compartment under front seat(s) $50$50
Climate Control 
Adaptive windshield washer system $0$0
Heated washer fluid system $50$50
Heated windshield washer nozzles$15  
Washer fluid outlets in wiper blade $100$100
Wiper de-icer $25$25
Engine / Motor 
Automatic start / stop $150$150
Dual-mode exhaust, switchable $500$500
Raised top speed limiter $0$0
Exterior 
Electronically-variable tint, sunroof or glass roof panel  $2000
Glass roof panel(s) $300$300
Power convertible top$4000  
Power retractable hardtop $6750$6750
Rear spoiler $200$200
Infotainment 
Android Auto support $100$100
App support $0$0
Apple CarPlay support $100$100
Bluetooth audio streaming $25$25
DVD-compatible player $0$0
In-vehicle Internet $150$150
Media drive $15$15
Navigation map updates, three years $0$0
Satellite radio $200$200
Satellite radio - one year subscription$250  
SD Card slot $25$25
SMS text-to-speech reader $25$25
Telematics service, such as OnStar$200  
Telematics service, such as OnStar, with navigation $225$225
Traffic + travel information $25$25
Traffic information$25  
Wi-Fi hotspot $50$50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75  
Chronometer $100$100
Cornering lights $50$50
Fog light, rear $100$100
Fog lights$125  
Headlight washers$50  
Interior ambient lighting$150  
Interior ambient lighting, configurable $150$150
LED headlights $1000$1000
Power-folding mirrors$50  
Turn signals on or near mirrors $25$25
Xenon HID headlights$500  
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300
Automatic seat bolsters, front passenger $300$300
Cooled or ventilated front seats $300$300
Manual thigh support length adjuster, driver seat$50  
Manual thigh support length adjuster, passenger seat$50  
Massage, driver seat $100$100
Massage, passenger seat $100$100
Memory system, passenger seat $150$150
Metal pedals $75$75
Neck-level heating, front seats $150$150
No leather in second row $-300$-300
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
Power seatback bolsters, driver seat$100  
Power seatback bolsters, passenger seat$100  
Power thigh support length adjuster, driver seat $100$100
Power thigh support length adjuster, passenger seat $100$100
Synthetic suede headliner $650$650
Suspension, Wheels, and Tires 
Active curve tilting $1000$1000
Active stabilizer bars$500  
Adaptive dampers - electrical$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000
Transmission 
Launch control $100 
Total Value of Features$8,880$21,790$25,590
Value of Feature Adjustments$0$12,910$16,710
Value of Feature Adjustments0-12,012-15,552

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

Model Year20082017
Model6-SeriesSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase109.4 in101.7 in
Length190.2 in182.3 in
Width73.0 in73.9 in
Height54.1 in51.2 in
Curb Weight4,278 lb.3,827 lb.
Fuel Capacity18.5 gal.19.8 gal.
Row 1 Headroom37.8 in39.1 in
Row 1 Shoulder Room56.4 in55.5 in
Row 1 Legroom42.0 in42.9 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 ft38.5 ft3
Cargo Volume,
Maximum
10.613.5 ft3

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