BMW 6-Series Gran Coupe BMW 6-Series Gran Coupe 2018 Mercedes-Benz SL Mercedes-Benz SL 2017

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

Lowest Total Price: $143,225

BMW 6-Series Gran Coupe M6   
Difference: $22,450

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182017
Model6-Series Gran CoupeSL
TrimM6AMG SL63
Body4dr Sedan2dr Hardtop conv.
Base Price $119,800 $151,350
Competition Package 7,000  
Upholstered instrument panel, leather 3,500  
Apple CarPlay support 300  
Wood trim, alternative type 1,080 1,500
Ceramic brake rotors 9,250 8,950
Power door closers   450
Painted brake calipers (optional)   1,000
Ultra-sport suspension (upgrade)   1,500
Competition Package 6,440  
Upholstered instrument panel, leather 3,220  
Apple CarPlay support 275  
Wood trim, alternative type 995 1,395
Ceramic brake rotors 8,510 8,324
Power door closers   419
Painted brake calipers (optional)   930
Ultra-sport suspension (upgrade)   1,395
Options (change) 21,130 13,400
Options (change) 19,440 12,463
Destination 995 925
Gas Tax 1,300 0
Total Price $143,225 $165,675

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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 SL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: BMW 6-Series Gran Coupe M6
TrueDelta Adjusted Price Difference: $8,780
TrueDelta Adjusted Invoice Difference: $119,510
Model Year20182017
Model6-Series Gran CoupeSL
TrimM6AMG SL63
Body4dr Sedan2dr Hardtop conv.
Engine600hp V8577hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG16/25 MPG
Audio (watts, speakers)205, 9600, 11
Tire (rear if not all the same)265/35-20255/35-19
Total Price$143,225$165,675
Adjustments for Features0-13,670
Feature-Adjusted Total Price$143,225$152,005

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

Model Year20182017
Model6-Series Gran CoupeSL
TrimM6AMG SL63
Body4dr Sedan2dr 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
Power rear side windows$200 
Power trunk closer $350
Semi-automated parking system $500
Wind blocker, power small $300
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests $500
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
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 
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Washer fluid outlets in wiper blade $100
Wiper de-icer $25
Drivetrain 
Active rear differential$500 
Limited-slip rear differential $300
Engine / Motor 
Raised top speed limiter $0
Regenerative braking$0 
Exterior 
Bright-finished exhaust tip(s) $25
Carbon fiber roof$0 
Glass roof panel(s) $300
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
4G LTE connectivity$0 
Android Auto support $100
Concierge Services - 3 year subscription$150 
Handwriting recognition$200 
iPod integration $100
S Voice support$0 
Satellite radio $200
Satellite radio - one year subscription$250 
SD Card slot $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Text dictation$50 
USB port$25 
Voice control for external devices$0 
Voice recorder$0 
Wireless charging station$75 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Chronometer $100
Fog light, rear $100
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 
Cooled or ventilated front seats $300
Folding second row seats$300 
Massage, driver seat $100
Massage, passenger seat $100
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 
Suspension, Wheels, and Tires 
Active curve tilting $1000
Adaptive dampers - electrical$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Performance steering system (optional)$0 
Total Value of Features$5,005$18,675
Value of Feature Adjustments$0$13,670
Value of Feature Adjustments0-12,719

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

Model Year20182017
Model6-Series Gran CoupeSL
Body4dr Sedan2dr Hardtop conv.
Wheelbase116.9 in101.7 in
Length197.2 in182.3 in
Width74.6 in73.9 in
Height54.8 in51.2 in
Curb Weight4,430 lb.4,112 lb.
Fuel Capacity18.5 gal.19.8 gal.
Row 1 Headroom40.6 in39.1 in
Row 1 Shoulder Room56.7 in55.5 in
Row 1 Legroom42.1 in42.9 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 ft38.5 ft3
Cargo Volume,
Maximum
16.213.5 ft3

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Option Package Details
BMW 6-Series Gran Coupe M6

Competition Package
FeatureValueRequested?
Ultra-sport suspension (upgrade)250Yes
Performance steering system (optional)250No
Upgraded stability control0No
turbocharged
4.4L V8
DOHC-4v
600 hp@6000
516 lb-ft@1500
1000Yes
Total Requested125083%
Total Not Requested25017%

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