BMW 3-Series BMW 3-Series 2020 Mercedes-Benz B-Class Mercedes-Benz B-Class 2017

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BMW 3-Series vs. Mercedes-Benz B-Class 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 B-Class Invoice Comparison

Lowest Total Price: $43,640

Mercedes-Benz B-Class B250e   
Difference: $5,605

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  Down Payment Interest Rate Term
Model Year202020202017
Model3-Series3-SeriesB-Class
Trim330iM340iB250e
Body4dr Sedan4dr Sedan4dr Hatch
Base Price $40,750 $54,000 $39,900
Convenience Tier 1,750    
Navigation system 1,700 1,700  
Obstacle detection, rear 750 750 970
Metallic paint (extra cost) 550 550 720
Blind spot warning system 500 500 550
Heated front seats 500 500  
Leather seating surfaces 1,450 1,450  
Apple CarPlay support 300 300  
Premium 3 Package     5,500
Interior Package     2,250
Wood trim     325
Convenience Tier 1,610    
Navigation system 1,565 1,565  
Obstacle detection, rear 690 690 902
Metallic paint (extra cost) 505 505 670
Blind spot warning system 460 460 512
Heated front seats 460 460  
Leather seating surfaces 1,335 1,335  
Apple CarPlay support 275 275  
Premium 3 Package     5,115
Interior Package     2,093
Wood trim     302
Options (change) 7,500 5,750 10,315
Options (change) 6,900 5,290 9,594
Destination 995 995 925
Gas Tax 0 0 -7,500
Total Price $49,245 $60,745 $43,640

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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 B-Class dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price: Mercedes-Benz B-Class B250e
Lowest Adjusted Invoice: BMW 3-Series M340i
TrueDelta Adjusted Price Difference: $5,800
TrueDelta Adjusted Invoice Difference: $33,688
Model Year202020202017
Model3-Series3-SeriesB-Class
Trim330iM340iB250e
Body4dr Sedan4dr Sedan4dr Hatch
Engine255hp I4382hp I6177hp E
TransmissionT8T8A1
DrivetrainRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9600, 16450, 12
Tire (rear if not all the same)225/45-18225/45-18225/45-17
Total Price$49,245$60,745$43,640
Adjustments for Features0-250-195
Feature-Adjusted Total Price$49,245$60,495$43,445
Cost Above Minimum$0$11,250$0

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Features Comparison: BMW 3-Series vs. Mercedes-Benz B-Class

Model Year202020202017
Model3-Series3-SeriesB-Class
Trim330iM340iB250e
Body4dr Sedan4dr Sedan4dr Hatch
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300 
1-speed automatic  $800
RWD$0$0 
FWD  $0
Accessories 
Hands-free trunk or liftgate$100$100 
Remote window/roof operation$15$15 
Semi-automated parking system  $500
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0 
Driver drowsiness monitor  $150
Forward collision warning  $200
Knee airbag, passenger$75$75 
Radar- or camera-based collision preparation system  $0
Cargo Management 
Air-conditioned storage compartment$50$50 
Cargo cover  $75
Console with shifter$150$150 
Console without shifter  $150
Rear seat pass-through  $100
Storage compartment under front seat(s)  $50
Climate Control 
Automatic air recirculation$100$100 
Electrically heated windshield  $250
Heated windshield washer nozzles$15$15 
Rear air vents  $100
Rear air vents with manual controls$150$150 
Residual heat$50$50 
Engine / Motor 
10 kW onboard charger  $750
28 kWh battery pack  $0
Radar-based brake regeneration  $200
Regeneration paddles  $100
Regenerative braking$0$0 
Exterior 
Sunroof$900$900 
Infotainment 
4G LTE connectivity$0$0 
Android Auto support  $100
Handwriting recognition$200$200 
S Voice support$0$0 
Satellite radio  $200
Satellite radio - one year subscription$250$250 
SD Card slot  $25
Surround sound $250$250
Telematics service, such as OnStar$200$200 
Telematics service, such as OnStar, with navigation  $225
Voice control for external devices$0$0 
Wi-Fi hotspot  $50
Instruments, Lights, and Mirrors 
Fog light, rear  $100
Fog lights$125$125 
Interior ambient lighting$150$150 
Interior ambient lighting, configurable  $150
LED headlights$1000$1000 
Power-folding mirrors$50$50 
Tachometer$75$75 
Xenon HID headlights  $500
Seats and Interior Trim 
Center armrest(s), front row$75$75 
Door sill trim plates$100$100 
Foldaway tray tables, second row  $150
Illuminated door sill trim plates  $200
Manual thigh support length adjuster, driver seat$50$50 
Manual thigh support length adjuster, passenger seat$50$50 
Memory system, passenger seat  $150
Power seatback bolsters, driver seat$100$100 
Power seatback bolsters, passenger seat$100$100 
Upholstered instrument panel  $300
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200$200 
Total Value of Features$5,630$5,880$5,825
Value of Feature Adjustments$0$250$195
Value of Feature Adjustments0-26-179

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Specifications Comparison: BMW 3-Series vs. Mercedes-Benz B-Class

Model Year20202017
Model3-SeriesB-Class
Body4dr Sedan4dr Hatch
Wheelbase112.2 in106.3 in
Length185.7 in171.6 in
Width71.9 in70.3 in
Height56.8 in61.3 in
Curb Weight3,590 lb.3,925 lb.
Fuel Capacity15.6 gal.0.0 gal.
Row 1 Headroom38.7 in0.0 in
Row 1 Shoulder Room56.0 in0.0 in
Row 1 Legroom42.0 in0.0 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 ft321.0 ft3
Cargo Volume,
Maximum
16.951.4 ft3

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Option Package Details
BMW 3-Series 330i

Convenience Tier
FeatureValueRequested?
Sunroof900No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250Yes
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested55031%
Total Not Requested125069%
Navigation system
FeatureValueRequested?
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
In-vehicle Internet150Yes
Handwriting recognition200No
Siri Eyes Free support0Yes
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0Yes
Navigation system600Yes
Traffic + travel information25Yes
Remote app25Yes
Total Requested91582%
Total Not Requested20018%

Option Package Details
BMW 3-Series M340i

Navigation system
FeatureValueRequested?
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
In-vehicle Internet150Yes
Handwriting recognition200No
Siri Eyes Free support0Yes
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0Yes
Navigation system600Yes
Traffic + travel information25Yes
Remote app25Yes
Total Requested91582%
Total Not Requested20018%

Option Package Details
Mercedes-Benz B-Class B250e

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Semi-automated parking system500No
Total Requested40044%
Total Not Requested50056%
Premium 3 Package
FeatureValueRequested?
Rearview camera200Yes
Smartphone integration0No
Wi-Fi hotspot50No
Apple CarPlay support100Yes
Android Auto support100No
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150Yes
App support0Yes
Navigation map updates, three years0Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Surround sound250Yes
Harman/Kardon, 450W, 12 speakers (with subwoofer)350No
Satellite radio200Yes
Proximity key250Yes
Regeneration paddles100No
Radar-based brake regeneration200No
Total Requested201572%
Total Not Requested80028%
Interior Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated front seats200Yes
Upholstered instrument panel300No
Interior ambient lighting, configurable0No
Total Requested110079%
Total Not Requested30021%

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