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

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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: $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 Year20182008
Model3-SeriesSL
TrimM3SL65 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $65,500 $187,200
Base Invoice $61,595 $174,096
Full Merino Leather 3,600  
Obstacle detection, rear 750 1,130
Metallic paint (extra cost) 550  
Wood trim 0 0
Sunroof 0  
Voice control for nav and audio   510
Full Merino Leather 3,310  
Obstacle detection, rear 690 1,051
Metallic paint (extra cost) 505  
Wood trim 0 0
Sunroof 0  
Voice control for nav and audio   474
Options (change) 4,900 1,640
Options (change) 4,505 1,525
Destination 995 875
Gas Tax 0 2,600
Total Price $71,395 $192,315
Total Invoice $67,095 $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 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
TrueDelta Adjusted Price Difference: $111,435
TrueDelta Adjusted Invoice Difference: $103,168
Model Year20182008
Model3-SeriesSL
TrimM3SL65 AMG
Body4dr Sedan2dr Hardtop conv.
Engine425hp I6604hp V12
TransmissionM6T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)17/25 MPG11/18 MPG
Audio (watts, speakers)600, 16250, 8
Tire (rear if not all the same)255/40-18255/35-19
Total Price$71,395$192,315
Adjustments for Features0-9,485
Feature-Adjusted Total Price$71,395$182,830
Total Invoice$67,095$179,096
Adjustments for Features0-8,833
Feature-Adjusted Total Invoice$67,095$170,263

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

Model Year20182008
Model3-SeriesSL
TrimM3SL65 AMG
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
5-speed manually-shiftable automatic $1000
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$6,440$15,925
Value of Feature Adjustments$0$9,485
Value of Feature Adjustments0-8,833

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

Model Year20182008
Model3-SeriesSL
Body4dr Sedan2dr Hardtop conv.
Wheelbase110.6 in100.8 in
Length182.5 in178.5 in
Width71.3 in71.5 in
Height56.3 in51.0 in
Curb Weight3,575 lb.4,564 lb.
Fuel Capacity15.8 gal.21.1 gal.
Row 1 Headroom40.3 in37.7 in
Row 1 Shoulder Room55.1 in54.0 in
Row 1 Hip Room0.0 in53.9 in
Row 1 Legroom42.0 in42.9 in
Row 2 Headroom37.7 in0.0 in
Row 2 Shoulder Room55.1 in0.0 in
Row 2 Legroom35.1 in0.0 in
Cargo Volume,
Minimum
13.0 ft37.3 ft3
Cargo Volume,
Maximum
13.010.2 ft3

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Option Package Details
BMW 3-Series M3

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%

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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