BMW 3-Series BMW 3-Series 2021 Mercedes-Benz SLC Mercedes-Benz SLC 2018

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

Lowest Total Price: $64,845

BMW 3-Series M340i   
Difference: $430

Calculate Payments

  Down Payment Interest Rate Term
Model Year2021202120182018
Model3-Series3-SeriesSLCSLC
TrimM340iM3SLC300AMG SLC43
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $54,700 $69,900 $48,400 $61,350
Driving Assistance Package 500 500    
Premium Tier 2,900      
Executive Tier 3,100      
Obstacle detection, rear 600      
Metallic paint (extra cost) 550 550 720 720
Adaptive dampers - electrical 700   990 990
M Sport Design 0      
Blind spot warning system 500 500    
Apple CarPlay support 300 300    
Executive Package   4,100    
Wood trim, alternative type   1,080 950 950
Leather seating surfaces   0 770  
Sunroof   0    
Premium 3 Package     9,600 6,650
Premium 1 Package     2,500  
Rear spoiler     350  
Black exterior trim (optional)       750
Driving Assistance Package 460 460    
Premium Tier 2,670      
Executive Tier 2,850      
Obstacle detection, rear 550      
Metallic paint (extra cost) 505 505 670 670
Adaptive dampers - electrical 645   921 921
M Sport Design 0      
Blind spot warning system 460 460    
Apple CarPlay support 275 275    
Executive Package   3,770    
Wood trim, alternative type   995 883 883
Leather seating surfaces   0 716  
Sunroof   0    
Premium 3 Package     8,928 6,185
Premium 1 Package     2,325  
Rear spoiler     326  
Black exterior trim (optional)       698
Options (change) 9,150 7,030 15,880 10,060
Options (change) 8,415 6,465 14,769 9,357
Destination 995 995 995 995
Total Price $64,845 $77,925 $65,275 $72,405

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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

Lowest Adjusted Price: Mercedes-Benz SLC SLC300
Lowest Adjusted Invoice: BMW 3-Series M3
TrueDelta Adjusted Price Difference: $6,190
TrueDelta Adjusted Invoice Difference: $46,757
Model Year2021202120182018
Model3-Series3-SeriesSLCSLC
TrimM340iM3SLC300AMG SLC43
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine382hp I6 H473hp I6241hp I4362hp V6
TransmissionT8M6T9T9
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)600, 16600, 16500, 11500, 11
Tire (rear if not all the same)225/45-18275/40-18225/45-17235/40-18
Total Price$64,845$77,925$65,275$72,405
Adjustments for Features-4250-7,045-7,020
Feature-Adjusted Total Price$64,420$77,925$58,230$65,385
Cost Above Minimum$0$13,505$0$7,155

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

Model Year2021202120182018
Model3-Series3-SeriesSLCSLC
TrimM340iM3SLC300AMG SLC43
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300   
6-speed manual $150  
9-speed manually-shiftable automatic  $1400$1400
RWD$0$0$0$0
Accessories 
Adaptive cruise control, all-speed  $850$850
Cruise control$150$150  
Hands-free trunk or liftgate$100$100  
Heated steering wheel $100  
Power rear side windows$200$200  
Remote climate control  $25$25
Remote start via app  $75$75
Tilt/telescoping steering wheel, manual$250$250  
Tilt/telescoping steering wheel, power  $350$350
Wind blocker, small  $100$100
Brakes, Airbags, and Other Safety 
Around view cameras$500$500  
Automatic braking, high-speed or partial  $200$200
Driver drowsiness monitor  $150$150
Pedestrian detection$50$50  
Radar- or camera-based collision preparation system  $0$0
Rearview camera  $200$200
Roll bar  $200$200
Temporary spare tire  $150$150
Tires, run-flat$150   
Torque vectoring, brake-based  $100$100
Wide-view front camera$150$150  
Cargo Management 
Air-conditioned storage compartment$50$50  
Climate Control 
Automatic air recirculation$100$100  
Rear air vents with manual controls$150$150  
Residual heat$50$50  
Drivetrain 
Active rear differential $500  
Engine / Motor 
Dual-mode exhaust, switchable  $500$500
Regenerative braking$0$0  
Exterior 
Black exterior trim (optional)$0$0 $0
Bright-finished exhaust tip(s) $25$25 
Glass roof panel(s)  $300$300
Painted brake calipers (optional) $0  
Power retractable hardtop  $6750$6750
Rear spoiler $200$200$200
Sport rocker panels (optional)$0$0  
Sunroof$900$900  
Infotainment 
4G LTE connectivity$0$0  
Android Auto support  $100$100
Aux input$50$50  
Handwriting recognition$200$200  
S Voice support$0$0  
Satellite radio  $200$200
Satellite radio - one year subscription$250$250  
SD Card slot  $25$25
SMS text-to-speech reader  $25$25
Telematics service, such as OnStar$200$200  
Telematics service, such as OnStar, with navigation  $225$225
Voice control for external devices$0$0  
Wi-Fi hotspot  $50$50
Instruments, Lights, and Mirrors 
Analog clock  $25$25
Fog light, rear  $100$100
Head-up display (HUD)$350$350  
Headlight washers $50  
Illuminated visor mirror, driver$50$50  
Illuminated visor mirror, passenger$50$50  
Interior ambient lighting$150$150  
Interior ambient lighting, configurable  $150$150
Large color reconfigurable instrument cluster display$250   
Visor mirror, driver  $10$10
Visor mirror, passenger  $10$10
Seats and Interior Trim 
Center armrest(s), second row$50$50  
Folding second row seats$300$300  
Heated second row seats $200  
Leather door panel trim  $250$250
Manual thigh support length adjuster, driver seat$50$50  
Manual thigh support length adjuster, passenger seat$50$50  
Memory system, passenger seat  $150$150
Metal pedals  $75$75
Neck-level heating, front seats  $150$150
No leather in second row  $-300$-300
Power seatback bolsters, driver seat$100$100  
Power seatback bolsters, passenger seat$100$100  
Wood trim$300   
Wood trim, alternative type $300$300$300
Suspension, Wheels, and Tires 
Performance steering system (optional) $0  
Sport suspension (upgrade)$0$0 $0
Transmission 
Downshift rev matching $50  
Steering-wheel-mounted transmission controls  $100$100
Total Value of Features$6,600$6,175$13,220$13,195
Value of Feature Adjustments$425$0$7,045$7,020
Value of Feature Adjustments-620-6,559-6,536

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

Model Year20212018
Model3-SeriesSLC
Body4dr Sedan2dr Hardtop conv.
Wheelbase112.2 in95.7 in
Length185.7 in162.8 in
Width71.9 in71.5 in
Height56.8 in51.3 in
Curb Weight3,590 lb.3,297 lb.
Fuel Capacity15.6 gal.15.9 gal.
Row 1 Headroom38.7 in38.0 in
Row 1 Shoulder Room56.0 in52.2 in
Row 1 Legroom42.0 in42.5 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 ft36.4 ft3
Cargo Volume,
Maximum
16.910.1 ft3

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Option Package Details
BMW 3-Series M340i

Driving Assistance Package
FeatureValueRequested?
Lane departure warning200Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Speed limit information0No
Pedestrian detection50No
Total Requested60092%
Total Not Requested508%
Premium Tier
FeatureValueRequested?
Heated front seats200Yes
Head-up display (HUD)350No
Media drive15Yes
In-vehicle Internet150Yes
Handwriting recognition200No
Siri Eyes Free support0Yes
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Remote app25Yes
Navigation system600Yes
Traffic + travel information25Yes
Total Requested111567%
Total Not Requested55033%
Executive Tier
FeatureValueRequested?
Leather seating surfaces900Yes
Large color reconfigurable instrument cluster display250No
Semi-automated parking system500Yes
Around view cameras300No
Wide-view front camera150No
Steering-linked headlights150Yes
Auto-dimming headlights200Yes
Total Requested175071%
Total Not Requested70029%
M Sport Design
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Sport front fascia (optional)0No
Sport rocker panels (optional)0No
Black exterior trim (optional)0Yes
225/45VR18 tires400No
Total Requested25038%
Total Not Requested40062%

Option Package Details
BMW 3-Series M3

Driving Assistance Package
FeatureValueRequested?
Lane departure warning200Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Speed limit information0No
Pedestrian detection50No
Total Requested60092%
Total Not Requested508%
Executive Package
FeatureValueRequested?
Heated second row seats200No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Heated steering wheel100No
Head-up display (HUD)350No
Headlight washers50No
Semi-automated parking system500Yes
Around view cameras300No
Wide-view front camera150No
Steering-linked headlights150Yes
Auto-dimming headlights200Yes
Total Requested125052%
Total Not Requested115048%

Option Package Details
Mercedes-Benz SLC SLC300

Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces900Yes
Leather door panel trim250No
No leather in second row-300No
Total Requested900106%
Total Not Requested-50-6%
Premium 3 Package
FeatureValueRequested?
Lane departure warning200Yes
Adaptive cruise control, all-speed700No
Blind spot warning system200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Semi-automated parking system500Yes
Analog clock25No
LED headlights1000Yes
Smartphone integration0No
Interior ambient lighting, configurable150No
Apple CarPlay support100Yes
Android Auto support100No
Automatic climate control, front200Yes
CD player125Yes
Steering-linked headlights150Yes
Dual-zone climate control125Yes
MP3-compatible player50Yes
Auto-dimming headlights200Yes
Navigation map updates, three years0Yes
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
App support0Yes
Navigation system600Yes
Voice control for nav and audio75Yes
Total Requested396580%
Total Not Requested97520%
Premium 1 Package
FeatureValueRequested?
Heated front seats200Yes
Satellite radio200Yes
Surround sound250Yes
Proximity key250Yes
Remote window/roof operation15Yes
Neck-level heating, front seats150No
Harman/Kardon, 500W, 11 speakers (with subwoofer)350No
Total Requested91565%
Total Not Requested50035%

Option Package Details
Mercedes-Benz SLC AMG SLC43

Premium 3 Package
FeatureValueRequested?
Lane departure warning200Yes
Adaptive cruise control, all-speed700No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Semi-automated parking system500Yes
LED headlights1000Yes
Smartphone integration0No
Interior ambient lighting, configurable0No
Apple CarPlay support100Yes
Android Auto support100No
Automatic climate control, front200Yes
CD player125Yes
Steering-linked headlights150Yes
Dual-zone climate control125Yes
MP3-compatible player50Yes
Auto-dimming headlights200Yes
Navigation map updates, three years0Yes
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
App support0Yes
Navigation system600Yes
Voice control for nav and audio75Yes
Total Requested376582%
Total Not Requested80018%

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