BMW 6-Series BMW 6-Series 2008 Mercedes-Benz SL Mercedes-Benz SL 2014

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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: $98,020

BMW 6-Series 650i   
Difference: $14,815

Lowest Total Invoice: $90,050

BMW 6-Series 650i   
Difference: $14,952

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  Down Payment Interest Rate Term
Model Year2008201420142014
Model6-SeriesSLSLSL
Trim650iSL550SL63 AMGSL65 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $83,700 $106,700 $147,300 $214,500
Base Invoice $77,185 $99,231 $136,989 $199,485
Premium Sound Group 2,000      
Wood trim 0   0 0
Upholstered instrument panel, leather 2,400      
Auto-dimming headlights 250      
HD radio 350      
Heated front seats 500      
Proximity key 1,000      
Night vision 2,200 2,260 2,260  
Lane departure warning 500      
Adaptive cruise control, all-speed 2,400      
Satellite radio - one year subscription 595      
Driver Assistance Package   2,950 2,950  
Premium Sound Group 1,820      
Wood trim 0   0 0
Upholstered instrument panel, leather 2,185      
Auto-dimming headlights 230      
HD radio 315      
Heated front seats 455      
Proximity key 910      
Night vision 1,695 2,102 2,102  
Lane departure warning 455      
Adaptive cruise control, all-speed 2,135      
Satellite radio - one year subscription 540      
Driver Assistance Package   2,744 2,744  
Options (change) 12,195 5,210 5,210 0
Options (change) 10,740 4,846 4,846 0
Destination 825 925 925 925
Gas Tax 1,300 0 0 1,300
Total Price $98,020 $112,835 $153,435 $216,725
Total Invoice $90,050 $105,002 $142,760 $201,710

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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 and Invoice: BMW 6-Series 650i
TrueDelta Adjusted Price Difference: $5,975
TrueDelta Adjusted Invoice Difference: $6,726
Model Year2008201420142014
Model6-SeriesSLSLSL
Trim650iSL550SL63 AMGSL65 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine360hp V8429hp V8530hp V8621hp V12
TransmissionM6T7T7T7
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)315, 13600, 14600, 14900, 12
Tire (rear if not all the same)245/45-18255/40-18255/35-19255/35-19
Total Price$98,020$112,835$153,435$216,725
Adjustments for Features0-8,840-13,515-16,365
Feature-Adjusted Total Price$98,020$103,995$139,920$200,360
Cost Above Minimum$0$0$35,925$96,365
Total Invoice$90,050$105,002$142,760$201,710
Adjustments for Features0-8,226-12,575-15,231
Feature-Adjusted Total Invoice$90,050$96,776$130,185$186,479
Cost Above Minimum$0$0$33,409$89,703

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

Model Year2008201420142014
Model6-SeriesSLSLSL
Trim650iSL550SL63 AMGSL65 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150   
7-speed manually-shiftable automatic $1200$1200$1200
RWD$0$0$0$0
Accessories 
Hands-free trunk or liftgate $100$100$100
Power door closers   $300
Power rear side windows$200   
Power retractable rear window$350   
Power trunk closer $350$350$350
Remote app $25$25$25
Semi-automated parking system $500$500$500
Wind blocker, power small $300$300$300
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200$200$200
Automatic braking, low-speed $200$200$200
Blind spot collision prevention $150$150$150
Blind spot warning system $200$200$200
Driver drowsiness monitor $150$150$150
Forward collision warning $200$200$200
Lane departure prevention $150$150$150
Radar- or camera-based collision preparation system $0$0$0
Rearview camera $200$200$200
Side curtain airbags $350$350$350
Tires, run-flat$150$150  
Torque vectoring, brake-based $100$100$100
Cargo Management 
Air-conditioned storage compartment $50$50$50
Cargo mat$40   
Storage compartment under front seat(s) $50$50$50
Climate Control 
Adaptive windshield washer system $0$0$0
Heated windshield washer nozzles $15$15$15
Wiper de-icer $25$25$25
Drivetrain 
Limited-slip rear differential   $300
Engine / Motor 
Automatic start / stop $150$150$150
Exterior 
Electronically-variable tint, sunroof or glass roof panel   $2000
Glass roof panel(s) $300$300$300
Power convertible top$4000   
Power retractable hardtop $6750$6750$6750
Rear spoiler  $200$200
Infotainment 
App support $0$0$0
Bluetooth audio streaming $25$25$25
DVD-compatible player $0$0$0
In-vehicle Internet $150$150$150
Media drive $15$15$15
Satellite radio $200$200$200
Satellite radio - one year subscription$250   
SD Card slot $25$25$25
SMS text-to-speech reader $25$25$25
Telematics service, such as OnStar$200   
Telematics service, such as OnStar, with navigation $225$225$225
Traffic + travel information $25$25$25
Traffic information$25   
Instruments, Lights, and Mirrors 
Analog clock $25  
Auto-dimming passenger-side mirror$75   
Chronometer  $100$100
Cornering lights $50$50$50
Fog light, rear $100$100$100
Power-folding mirrors$50   
Turn signals on or near mirrors $25$25$25
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300$300
Automatic seat bolsters, front passenger $300$300$300
Cooled or ventilated front seats $300$300$300
Door sill trim plates$100$100  
Illuminated door sill trim plates  $200$200
Leather headliner   $1000
Massage, driver seat $100$100$100
Massage, passenger seat $100$100$100
Memory system, passenger seat $150$150$150
Metal pedals $75$75$75
Neck-level heating, front seats $150$150$150
No leather in second row $-300$-300$-300
Power headrest height adjuster, driver seat $50$50$50
Power headrest height adjuster, passenger seat $50$50$50
Power thigh support length adjuster, driver seat $100$100$100
Power thigh support length adjuster, passenger seat $100$100$100
Synthetic suede headliner  $650 
Suspension, Wheels, and Tires 
Active stabilizer bars$500   
Adaptive dampers - electrical $500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000$4000
Electronic systems calibration selector  $200$200
Sport suspension (upgrade)  $0$0
Transmission 
Launch control  $100 
Steering-wheel-mounted transmission controls $100$100$100
Total Value of Features$6,090$14,930$19,605$22,455
Value of Feature Adjustments$0$8,840$13,515$16,365
Value of Feature Adjustments0-8,226-12,575-15,231

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

Model Year20082014
Model6-SeriesSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase109.4 in101.8 in
Length190.2 in181.8 in
Width73.0 in73.9 in
Height54.1 in51.8 in
Curb Weight4,278 lb.4,002 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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Option Package Details
BMW 6-Series 650i

Premium Sound Group
FeatureValueRequested?
CD changer, in-dash200Yes
Surround sound250Yes
iPod integration100Yes
Harman/Kardon, 315W, 13 speakers (with subwoofer)350No
Total Requested55061%
Total Not Requested35039%

Option Package Details
Mercedes-Benz SL SL550

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200No
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200No
Forward collision alert200No
Blind spot intervention150No
Total Requested90045%
Total Not Requested110055%

Option Package Details
Mercedes-Benz SL SL63 AMG

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200No
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200No
Forward collision alert200No
Blind spot intervention150No
Total Requested90045%
Total Not Requested110055%

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