BMW 6-Series BMW 6-Series 2015 Mercedes-Benz SL Mercedes-Benz SL 2018

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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: $139,225

BMW 6-Series M6   
Difference: $26,520

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152018
Model6-SeriesSL
TrimM6AMG SL63
Body2dr Convertible2dr Hardtop conv.
Base Price $118,200 $152,850
Executive Package 3,600  
Upholstered instrument panel, leather 3,500  
Wood trim, alternative type 1,080 1,500
Ceramic brake rotors 9,250 8,950
265/35YR20 1,300  
Power door closers   450
Painted brake calipers (optional)   1,000
Executive Package 3,275  
Upholstered instrument panel, leather 3,185  
Wood trim, alternative type 985 1,395
Ceramic brake rotors 8,420 8,324
265/35YR20 1,185  
Power door closers   419
Painted brake calipers (optional)   930
Options (change) 18,730 11,900
Options (change) 17,050 11,068
Destination 995 995
Gas Tax 1,300 0
Total Price $139,225 $165,745

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

Lowest Adjusted Price: BMW 6-Series M6
Lowest Adjusted Invoice: Mercedes-Benz SL AMG SL63
TrueDelta Adjusted Price Difference: $16,200
TrueDelta Adjusted Invoice Difference: $117,458
Model Year20152018
Model6-SeriesSL
TrimM6AMG SL63
Body2dr Convertible2dr Hardtop conv.
Engine560hp V8577hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG16/25 MPG
Audio (watts, speakers)600, 12600, 11
Tire (rear if not all the same)265/35-20255/35-19
Total Price$139,225$165,745
Adjustments for Features0-10,320
Feature-Adjusted Total Price$139,225$155,425

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

Model Year20152018
Model6-SeriesSL
TrimM6AMG SL63
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Hands-free trunk or liftgate $100
Heated steering wheel$100 
Power rear side windows$200 
Power retractable rear window$350 
Power trunk closer $350
Semi-automated parking system $500
Wind blocker, power small $300
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Brake- or yaw-sensor-initiated collision preparation system $0
Driver drowsiness monitor $150
Forward collision warning $200
Side curtain airbags $350
Torque vectoring, brake-based $100
Cargo Management 
Air-conditioned storage compartment $50
Cargo mat$40 
Rear seat pass-through$100 
Ski sack$50 
Storage compartment under front seat(s) $50
Climate Control 
Adaptive windshield washer system $0
Heated washer fluid system $50
Heated windshield washer nozzles$15 
Washer fluid outlets in wiper blade $100
Wiper de-icer $25
Drivetrain 
Active rear differential$500 
Limited-slip rear differential $300
Engine / Motor 
Dual-mode exhaust, switchable $500
Raised top speed limiter $0
Regenerative braking$0 
Exterior 
Glass roof panel(s) $300
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
Android Auto support $100
Apple CarPlay support $100
Concierge Services - 3 year subscription$150 
Handwriting recognition$200 
iPod integration $100
Navigation map updates, three years $0
S Voice support$0 
Satellite radio $200
Satellite radio - one year subscription$250 
SD Card slot $25
Siri Eyes Free support$0 
SMS text-to-speech reader $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
USB port$25 
Voice control for external devices$0 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Chronometer $100
Fog light, rear $100
Head-up display (HUD)$350 
Headlight washers$50 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
Power-folding mirrors$50 
Seats and Interior Trim 
Automatic seat bolsters, driver $300
Automatic seat bolsters, front passenger $300
Center armrest(s), second row$50 
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 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Synthetic suede headliner $650
Suspension, Wheels, and Tires 
Active curve tilting $1000
Adaptive dampers - electrical$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Total Value of Features$9,005$19,325
Value of Feature Adjustments$0$10,320
Value of Feature Adjustments0-751

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

Model Year20152018
Model6-SeriesSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase112.4 in101.7 in
Length192.8 in182.3 in
Width74.6 in73.9 in
Height53.7 in51.2 in
Curb Weight4,538 lb.4,112 lb.
Fuel Capacity18.5 gal.19.8 gal.
Row 1 Headroom40.3 in39.1 in
Row 1 Shoulder Room56.9 in55.5 in
Row 1 Legroom42.1 in42.9 in
Row 2 Headroom36.5 in0.0 in
Row 2 Shoulder Room49.6 in0.0 in
Row 2 Legroom30.5 in0.0 in
Cargo Volume,
Minimum
10.6 ft38.5 ft3
Cargo Volume,
Maximum
10.613.5 ft3

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Option Package Details
BMW 6-Series M6

Executive Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Heated steering wheel100No
Head-up display (HUD)350No
Auto-dimming headlights200Yes
LED headlights500Yes
Total Requested120073%
Total Not Requested45027%

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