BMW 3-Series BMW 3-Series 2021 Mercedes-Benz SL Mercedes-Benz SL 2015

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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: $76,095

BMW 3-Series M3 Competition   
Difference: $142,380

Calculate Payments

  Down Payment Interest Rate Term
Model Year20212015
Model3-SeriesSL
TrimM3 CompetitionSL65 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $72,800 $215,250
Driving Assistance Package 500  
Obstacle detection, rear 750  
Metallic paint (extra cost) 550  
Blind spot warning system 500  
Painted brake calipers (optional)   1,000
Wood trim   0
Driving Assistance Package 460  
Obstacle detection, rear 690  
Metallic paint (extra cost) 505  
Blind spot warning system 460  
Painted brake calipers (optional)   930
Wood trim   0
Options (change) 2,300 1,000
Options (change) 2,115 930
Destination 995 925
Gas Tax 0 1,300
Total Price $76,095 $218,475

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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 M3 Competition
TrueDelta Adjusted Price Difference: $119,530
TrueDelta Adjusted Invoice Difference: $178,961
Model Year20212015
Model3-SeriesSL
TrimM3 CompetitionSL65 AMG
Body4dr Sedan2dr Hardtop conv.
Engine503hp I6621hp V12
TransmissionT8T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)16/23 MPG16/25 MPG
Audio (watts, speakers)600, 16900, 12
Tire (rear if not all the same)275/35-19255/35-19
Total Price$76,095$218,475
Adjustments for Features0-22,850
Feature-Adjusted Total Price$76,095$195,625

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

Model Year20212015
Model3-SeriesSL
TrimM3 CompetitionSL65 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, all-speed $850
Cruise control$150 
Power door closers $300
Power rear side windows$200 
Power trunk closer $350
Semi-automated parking system $500
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Universal garage door opener $100
Wind blocker, power small $300
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests $500
Automatic braking, high-speed or partial $200
Blind spot collision prevention $150
Driver drowsiness monitor $150
Lane departure prevention $150
Night vision $1750
Pedestrian detection$50 
Radar- or camera-based collision preparation system $0
Torque vectoring, brake-based $100
Cargo Management 
Storage compartment under front seat(s) $50
Climate Control 
Adaptive windshield washer system $0
Rear air vents with manual controls$150 
Wiper de-icer $25
Drivetrain 
Active rear differential$500 
Limited-slip rear differential $300
Engine / Motor 
Raised top speed limiter $0
Exterior 
Black exterior trim (optional)$0 
Electronically-variable tint, sunroof or glass roof panel $2000
Glass roof panel(s) $300
Painted brake calipers (optional) $0
Painted brake calipers, alternate color$0 
Power retractable hardtop $6750
Rear spoiler $200
Sport rocker panels (optional)$0 
Infotainment 
4G LTE connectivity$0 
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 
SMS text-to-speech reader $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
USB port$25 
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming headlights $200
Auto-dimming rearview mirror $150
Chronometer $100
Cornering lights $50
Fog light, rear $100
Fog lights $125
Headlight washers $50
LED headlights$1000 
Steering-linked headlights $150
Xenon HID headlights $500
Seats and Interior Trim 
Automatic seat bolsters, driver $300
Automatic seat bolsters, front passenger $300
Carbon fiber trim$200 
Center armrest(s), second row$50 
Cooled or ventilated front seats $300
Door sill trim plates$100 
Illuminated door sill trim plates $200
Leather door panel trim $250
Leather headliner $1000
Leather seating surfaces $900
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Manual tilt adjuster, driver seat$50 
Manual tilt adjuster, passenger seat$50 
Massage, driver seat $100
Massage, passenger seat $100
Memory system, driver seat $200
Memory system, passenger seat $150
Metal pedals $75
Neck-level heating, front seats $150
No leather in second row $-300
Partial leather seating sufaces$450 
Power fore-aft adjuster, driver seat $100
Power fore-aft adjuster, passenger seat $100
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power height adjuster, driver seat $100
Power height adjuster, passenger seat $100
Power recliner, driver seat $100
Power recliner, passenger seat $100
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Power tilt adjuster, driver seat $100
Power tilt adjuster, passenger seat $100
Upholstered instrument panel, leather $1000
Wood trim $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Alloy wheels $350
Performance steering system (optional)$0 
Polished alloy wheels$350 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Downshift rev matching$50 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,375$29,225
Value of Feature Adjustments$0$22,850
Value of Feature Adjustments0-21,267

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

Model Year20212015
Model3-SeriesSL
Body4dr Sedan2dr Hardtop conv.
Wheelbase112.2 in101.8 in
Length185.7 in181.8 in
Width71.9 in73.9 in
Height56.8 in51.8 in
Curb Weight3,890 lb.4,068 lb.
Fuel Capacity15.6 gal.19.8 gal.
Row 1 Headroom38.7 in39.1 in
Row 1 Shoulder Room56.0 in55.5 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 ft38.5 ft3
Cargo Volume,
Maximum
16.913.5 ft3

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Option Package Details
BMW 3-Series M3 Competition

Driving Assistance Package
FeatureValueRequested?
Lane departure warning200Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Speed limit information0No
Pedestrian detection50No
Total Requested60092%
Total Not Requested508%

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