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

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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: $149,645

BMW 6-Series M6   
Difference: $77,780

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182015
Model6-SeriesSL
TrimM6SL65 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $122,300 $215,250
Driver Assistance Plus 1,700  
Competition Package 8,300  
Upholstered instrument panel, leather 3,500  
Night vision 2,300  
Ceramic brake rotors 9,250 8,950
Wood trim 0 0
Painted brake calipers (optional)   1,000
Driver Assistance Plus 1,565  
Competition Package 7,635  
Upholstered instrument panel, leather 3,220  
Night vision 2,115  
Ceramic brake rotors 8,510 8,324
Wood trim 0 0
Painted brake calipers (optional)   930
Options (change) 25,050 9,950
Options (change) 23,045 9,254
Destination 995 925
Gas Tax 1,300 1,300
Total Price $149,645 $227,425

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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: $67,295
TrueDelta Adjusted Invoice Difference: $176,384
Model Year20182015
Model6-SeriesSL
TrimM6SL65 AMG
Body2dr Convertible2dr Hardtop conv.
Engine600hp V8621hp V12
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG16/25 MPG
Audio (watts, speakers)600, 12900, 12
Tire (rear if not all the same)265/35-20255/35-19
Total Price$149,645$227,425
Adjustments for Features0-10,485
Feature-Adjusted Total Price$149,645$216,940

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

Model Year20182015
Model6-SeriesSL
TrimM6SL65 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Adaptive cruise control, all-speed $850
Cruise control$150 
Hands-free trunk or liftgate $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 
Animal detection, night$50 
Around view cameras$500 
Automatic braking, high-speed or partial $200
Blind spot collision prevention $150
Lane departure prevention $150
Pedestrian detection$50 
Pedestrian detection, night$50 
Radar- or camera-based collision preparation system $0
Rearview camera $200
Side curtain airbags $350
Torque vectoring, brake-based $100
Wide-view front camera$150 
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
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 
Bright-finished exhaust tip(s) $25
Electronically-variable tint, sunroof or glass roof panel $2000
Glass roof panel(s) $300
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
4G LTE connectivity$0 
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
Siri Eyes Free support$0 
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 
Wi-Fi hotspot$50 
Wireless charging station$75 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Chronometer $100
Fog light, rear $100
Fog lights $125
LED headlights$1000 
Power-folding mirrors$50 
Xenon HID headlights $500
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
Leather headliner $1000
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 
Adaptive dampers - electrical$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Performance steering system (optional)$0 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Total Value of Features$11,065$21,550
Value of Feature Adjustments$0$10,485
Value of Feature Adjustments0-9,758

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

Model Year20182015
Model6-SeriesSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase112.4 in101.8 in
Length192.8 in181.8 in
Width74.6 in73.9 in
Height53.7 in51.8 in
Curb Weight4,538 lb.4,068 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

Driver Assistance Plus
FeatureValueRequested?
Blind spot warning system200Yes
Around view cameras300No
Driver drowsiness monitor150Yes
Wide-view front camera150No
Speed limit information0No
Lane departure warning200Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Pedestrian detection50No
Total Requested95066%
Total Not Requested50034%
Competition Package
FeatureValueRequested?
Ultra-sport suspension (upgrade)250No
Performance steering system (optional)250No
265/35YR20 tires200No
Upgraded stability control0No
295/30YR20 tires200No
turbocharged
4.4L V8
DOHC-4v
600 hp@6000
516 lb-ft@1500
1000Yes
Total Requested100053%
Total Not Requested90047%

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