Mercedes-Benz SL Mercedes-Benz SL 2008 BMW 3-Series BMW 3-Series 2018

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Mercedes-Benz SL vs. BMW 3-Series 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.

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

Lowest Total Price: $71,395

BMW 3-Series M3   
Difference: $120,920

Lowest Total Invoice: $67,095

BMW 3-Series M3   
Difference: $112,001

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082018
ModelSL3-Series
TrimSL65 AMGM3
Body2dr Hardtop conv.4dr Sedan
Base Price $187,200 $65,500
Base Invoice $174,096 $61,595
Obstacle detection, rear 1,130 750
Voice control for nav and audio 510  
Wood trim 0 0
Full Merino Leather   3,600
Metallic paint (extra cost)   550
Sunroof   0
Obstacle detection, rear 1,051 690
Voice control for nav and audio 474  
Wood trim 0 0
Full Merino Leather   3,310
Metallic paint (extra cost)   505
Sunroof   0
Options (change) 1,640 4,900
Options (change) 1,525 4,505
Destination 875 995
Gas Tax 2,600 0
Total Price $192,315 $71,395
Total Invoice $179,096 $67,095

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

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

Lowest Adjusted Price and Invoice: BMW 3-Series M3
TrueDelta Adjusted Price Difference: $111,435
TrueDelta Adjusted Invoice Difference: $103,168
Model Year20082018
ModelSL3-Series
TrimSL65 AMGM3
Body2dr Hardtop conv.4dr Sedan
Engine604hp V12425hp I6
TransmissionT5M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)11/18 MPG17/25 MPG
Audio (watts, speakers)250, 8600, 16
Tire (rear if not all the same)255/35-19255/40-18
Total Price$192,315$71,395
Adjustments for Features-9,4850
Feature-Adjusted Total Price$182,830$71,395
Total Invoice$179,096$67,095
Adjustments for Features-8,8330
Feature-Adjusted Total Invoice$170,263$67,095

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

Model Year20082018
ModelSL3-Series
TrimSL65 AMGM3
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed manual $150
RWD$0$0
Accessories 
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 
Knee airbag, passenger $75
Rearview camera $200
Side curtain airbags $350
Temporary spare tire$150 
Cargo Management 
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents with manual controls $150
Wiper de-icer$25 
Drivetrain 
Active rear differential $500
Engine / Motor 
Automatic start / stop $150
Regenerative braking $0
Exterior 
Black exterior trim (optional) $0
Body kit$0 
Painted brake calipers (optional) $0
Power retractable hardtop$6750 
Rear spoiler $200
Sport rocker panels (optional) $0
Sunroof $900
Infotainment 
4G LTE connectivity $0
App support $0
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
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
Traffic + travel information $25
USB port $25
Voice control for external devices $0
Instruments, Lights, and Mirrors 
Compass $0
Cornering lights$50 
Fog light, rear$100 
Fog lights$125 
Headlight washers$50 
LED headlights $1000
Power-folding mirrors $50
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-wrapped steering wheel $150
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Memory system, passenger seat$150 
Metal pedals$75 
No leather in second row$-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 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Electronic systems calibration selector $200
Performance steering system (optional) $0
Transmission 
Downshift rev matching $50
Steering-wheel-mounted transmission controls$100 
Total Value of Features$15,925$6,440
Value of Feature Adjustments$9,485$0
Value of Feature Adjustments-8,8330

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

Model Year20082018
ModelSL3-Series
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in110.6 in
Length178.5 in182.5 in
Width71.5 in71.3 in
Height51.0 in56.3 in
Curb Weight4,564 lb.3,575 lb.
Fuel Capacity21.1 gal.15.8 gal.
Row 1 Headroom37.7 in40.3 in
Row 1 Shoulder Room54.0 in55.1 in
Row 1 Hip Room53.9 in0.0 in
Row 1 Legroom42.9 in42.0 in
Row 2 Headroom0.0 in37.7 in
Row 2 Shoulder Room0.0 in55.1 in
Row 2 Legroom0.0 in35.1 in
Cargo Volume,
Minimum
7.3 ft313.0 ft3
Cargo Volume,
Maximum
10.2 ft313.0 ft3

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Option Package Details
BMW 3-Series M3

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Full Merino Leather
FeatureValueRequested?
Upgraded leather upholstery-450No
Leather upholstery, extended coverage450Yes
Leather door panel trim250Yes
Upholstered instrument panel, leather1000Yes
Total Requested1700136%
Total Not Requested-450-36%

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