BMW 3-Series BMW 3-Series 2020 Mercedes-Benz SL Mercedes-Benz SL 2012
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BMW 3-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 3-Series vs. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $61,145

BMW 3-Series M340i   
Difference: $86,250

Calculate Payments

  Down Payment Interest Rate Term
Model Year20202012
Model3-SeriesSL
TrimM340iSL63 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $54,000 $140,440
Navigation system 1,700  
Luxury Design 0  
Obstacle detection, rear 750 1,180
Metallic paint (extra cost) 550  
Leather seating surfaces 1,450  
Heated front seats 500  
Adaptive cruise control, all-speed 1,200  
Wood trim   0
Adaptive cruise control   2,300
Navigation system 1,565  
Luxury Design 0  
Obstacle detection, rear 690 1,097
Metallic paint (extra cost) 505  
Leather seating surfaces 1,335  
Heated front seats 460  
Adaptive cruise control, all-speed 1,105  
Wood trim   0
Adaptive cruise control   2,139
Options (change) 6,150 3,480
Options (change) 5,660 3,236
Destination 995 875
Gas Tax 0 2,600
Total Price $61,145 $147,395

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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 3-Series dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW 3-Series vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: BMW 3-Series M340i
TrueDelta Adjusted Price Difference: $75,075
TrueDelta Adjusted Invoice Difference: $120,254
Model Year20202012
Model3-SeriesSL
TrimM340iSL63 AMG
Body4dr Sedan2dr Hardtop conv.
Engine382hp I6518hp V8
TransmissionT8T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)22/30 MPG12/19 MPG
Audio (watts, speakers)600, 16510, 10
Tire (rear if not all the same)225/45-18255/35-19
Total Price$61,145$147,395
Adjustments for Features0-11,175
Feature-Adjusted Total Price$61,145$136,220

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Features Comparison: BMW 3-Series vs. Mercedes-Benz SL

Model Year20202012
Model3-SeriesSL
TrimM340iSL63 AMG
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Adaptive cruise control $600
Adaptive cruise control, all-speed$850 
Hands-free trunk or liftgate$100 
Power rear side windows$200 
Power trunk closer $350
Remote app$25 
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests $500
Forward collision warning$200 
Knee airbag, passenger$75 
Rearview camera$200 
Side curtain airbags$350 
Temporary spare tire $150
Tires, run-flat$150 
Cargo Management 
Storage compartment under front seat(s) $50
Climate Control 
Rear air vents with manual controls$150 
Wiper de-icer $25
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Body kit $0
Power retractable hardtop $6750
Sunroof$900 
Infotainment 
4G LTE connectivity$0 
App support$0 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
Handwriting recognition$200 
In-vehicle Internet$150 
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 
Traffic + travel information$25 
Traffic information $25
USB port$25 
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Compass$0 
Cornering lights $50
Fog light, rear $100
Headlight washers $50
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
Folding second row seats$300 
Leather door panel trim $250
Leather-wrapped steering wheel$150 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Metal pedals $75
Neck-level heating, front seats $150
No leather in second row $-300
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Synthetic suede headliner $650
Synthetic suede steering wheel $150
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Electronic systems calibration selector$200 
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$7,550$18,725
Value of Feature Adjustments$0$11,175
Value of Feature Adjustments0-10,411

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See a complete comparison of BMW 3-Series vs. Mercedes-Benz SL features.

Specifications Comparison: BMW 3-Series vs. Mercedes-Benz SL

Model Year20202012
Model3-SeriesSL
Body4dr Sedan2dr Hardtop conv.
Wheelbase112.2 in100.8 in
Length185.7 in180.4 in
Width71.9 in71.5 in
Height56.8 in51.1 in
Curb Weight3,849 lb.4,274 lb.
Fuel Capacity15.6 gal.21.1 gal.
Row 1 Headroom38.7 in37.7 in
Row 1 Shoulder Room56.0 in54.0 in
Row 1 Hip Room0.0 in53.9 in
Row 1 Legroom42.0 in42.9 in
Row 2 Headroom37.6 in0.0 in
Row 2 Shoulder Room54.6 in0.0 in
Row 2 Legroom35.2 in0.0 in
Cargo Volume,
Minimum		16.9 ft37.2 ft3
Cargo Volume,
Maximum		16.910.2 ft3

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See a complete comparison of BMW 3-Series vs. Mercedes-Benz SL specs.

Option Package Details
BMW 3-Series M340i

Navigation system
FeatureValueRequested?
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Remote app25No
Navigation system600Yes
Traffic + travel information25No
Total Requested71564%
Total Not Requested40036%
Luxury Design
FeatureValueRequested?
Additional chrome trim0No
Bright-finished exhaust tip(s)25Yes
Chrome interior accents (optional)0No
Total Requested25100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL63 AMG

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

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