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

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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: $125,795

BMW 6-Series M6   
Difference: $66,520

Lowest Total Invoice: $117,795

BMW 6-Series M6   
Difference: $61,301

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172008
Model6-SeriesSL
TrimM6SL65 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $120,000 $187,200
Base Invoice $112,280 $174,096
Upholstered instrument panel, leather 3,500  
Wood trim 0 0
Obstacle detection, rear   1,130
Voice control for nav and audio   510
Upholstered instrument panel, leather 3,220  
Wood trim 0 0
Obstacle detection, rear   1,051
Voice control for nav and audio   474
Options (change) 3,500 1,640
Options (change) 3,220 1,525
Destination 995 875
Gas Tax 1,300 2,600
Total Price $125,795 $192,315
Total Invoice $117,795 $179,096

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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: $63,650
TrueDelta Adjusted Invoice Difference: $58,628
Model Year20172008
Model6-SeriesSL
TrimM6SL65 AMG
Body2dr Convertible2dr Hardtop conv.
Engine560hp V8604hp V12
TransmissionS7T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG11/18 MPG
Audio (watts, speakers)600, 12250, 8
Tire (rear if not all the same)265/40-19255/35-19
Total Price$125,795$192,315
Adjustments for Features0-2,870
Feature-Adjusted Total Price$125,795$189,445
Total Invoice$117,795$179,096
Adjustments for Features0-2,673
Feature-Adjusted Total Invoice$117,795$176,423

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

Model Year20172008
Model6-SeriesSL
TrimM6SL65 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
5-speed manually-shiftable automatic $1000
RWD$0$0
Accessories 
Power door closers$300 
Power rear side windows$200 
Power retractable rear window$350 
Power trunk closer $350
Remote app$25 
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Knee airbag, passenger$75 
Rearview camera$200 
Temporary spare tire $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 
Wiper de-icer $25
Drivetrain 
Active rear differential$500 
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Body kit $0
Painted brake calipers (optional)$0 
Power convertible top$4000 
Power retractable hardtop $6750
Infotainment 
4G LTE connectivity$0 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, remote $200
Concierge Services - 3 year subscription$150 
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
Media drive$15 
Navigation map updates, three years$0 
S Voice support$0 
Satellite radio $200
Satellite radio - one year subscription$250 
Siri Eyes Free support$0 
SMS text-to-speech reader$25 
Text dictation$50 
Traffic + travel information$25 
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 headlights$200 
Auto-dimming passenger-side mirror$75 
Fog light, rear $100
Fog lights $125
LED headlights$1000 
Power-folding mirrors$50 
Steering-linked headlights$150 
Xenon HID headlights $500
Seats and Interior Trim 
Center armrest(s), second row$50 
Cooled or ventilated front seats $300
Door sill trim plates $100
Illuminated door sill trim plates$200 
Leather-wrapped steering wheel$150 
Metal pedals $75
No leather in second row $-300
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Synthetic suede headliner $650
Synthetic suede steering wheel $150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Electronic systems calibration selector$200 
Transmission 
Launch control$100 
Total Value of Features$11,705$14,575
Value of Feature Adjustments$0$2,870
Value of Feature Adjustments0-2,673

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

Model Year20172008
Model6-SeriesSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase112.4 in100.8 in
Length192.8 in178.5 in
Width74.6 in71.5 in
Height53.7 in51.0 in
Curb Weight4,538 lb.4,564 lb.
Fuel Capacity18.5 gal.21.1 gal.
Row 1 Headroom40.3 in37.7 in
Row 1 Shoulder Room56.9 in54.0 in
Row 1 Hip Room0.0 in53.9 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 ft37.3 ft3
Cargo Volume,
Maximum
10.610.2 ft3

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Option Package Details
Mercedes-Benz SL SL65 AMG

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

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