BMW 3-Series BMW 3-Series 2021 Mercedes-Benz SLK Mercedes-Benz SLK 2016

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

Lowest Total Price: $76,045

BMW 3-Series M3   
Difference: $2,545

Calculate Payments

  Down Payment Interest Rate Term
Model Year20212016
Model3-SeriesSLK
TrimM3AMG SLK55
Body4dr Sedan2dr Hardtop conv.
Base Price $69,900 $72,600
Executive Package 4,100  
Metallic paint (extra cost) 550 720
Leather seating surfaces 0  
Aluminum trim 0  
Blind spot warning system 500  
Sunroof 0  
Premium 2 Package   3,050
Premium 3 Package   1,295
Executive Package 3,770  
Metallic paint (extra cost) 505 670
Leather seating surfaces 0  
Aluminum trim 0  
Blind spot warning system 460  
Sunroof 0  
Premium 2 Package   2,837
Premium 3 Package   1,204
Options (change) 5,150 5,065
Options (change) 4,735 4,711
Destination 995 925
Total Price $76,045 $78,590

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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 SLK dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price: Mercedes-Benz SLK AMG SLK55
Lowest Adjusted Invoice: BMW 3-Series M3
TrueDelta Adjusted Price Difference: $2,550
TrueDelta Adjusted Invoice Difference: $62,681
Model Year20212016
Model3-SeriesSLK
TrimM3AMG SLK55
Body4dr Sedan2dr Hardtop conv.
Engine473hp I6415hp V8
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)16/23 MPG19/28 MPG
Audio (watts, speakers)600, 16500, 11
Tire (rear if not all the same)275/40-18235/40-18
Total Price$76,045$78,590
Adjustments for Features0-5,095
Feature-Adjusted Total Price$76,045$73,495

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

Model Year20212016
Model3-SeriesSLK
TrimM3AMG SLK55
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Hands-free trunk or liftgate$100 
Heated steering wheel$100 
Power rear side windows$200 
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Around view cameras$500 
Driver drowsiness monitor $150
Lane departure warning $200
Roll bar $200
Temporary spare tire $150
Torque vectoring, brake-based $100
Wide-view front camera$150 
Cargo Management 
Air-conditioned storage compartment$50 
Climate Control 
Automatic air recirculation$100 
Rear air vents with manual controls$150 
Drivetrain 
Active rear differential$500 
Engine / Motor 
Dual-mode exhaust, switchable $500
Regenerative braking$0 
Exterior 
Black exterior trim (optional)$0 
Body kit $0
Glass roof panel(s) $300
Painted brake calipers (optional)$0 
Power retractable hardtop $6750
Sport rocker panels (optional)$0 
Sunroof$900 
Infotainment 
4G LTE connectivity$0 
Handwriting recognition$200 
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
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Analog clock $25
Fog light, rear $100
Head-up display (HUD)$350 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
LED headlights$1000 
Visor mirror, driver $10
Visor mirror, passenger $10
Xenon HID headlights $500
Seats and Interior Trim 
Center armrest(s), second row$50 
Folding second row seats$300 
Heated second row seats$200 
Leather door panel trim $250
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Memory system, passenger seat $150
Metal pedals $75
Neck-level heating, front seats $150
No leather in second row $-300
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
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$6,350$11,445
Value of Feature Adjustments$0$5,095
Value of Feature Adjustments0-4,743

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

Model Year20212016
Model3-SeriesSLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase112.2 in95.7 in
Length185.7 in162.8 in
Width71.9 in71.5 in
Height56.8 in51.2 in
Curb Weight3,840 lb.3,528 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 M3

Executive Package
FeatureValueRequested?
Heated second row seats200No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Heated steering wheel100No
Head-up display (HUD)350No
Headlight washers50Yes
Steering-linked headlights150Yes
Auto-dimming headlights200Yes
Semi-automated parking system500Yes
Around view cameras300No
Wide-view front camera150No
Total Requested130054%
Total Not Requested110046%

Option Package Details
Mercedes-Benz SLK AMG SLK55

Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Blind spot warning system200Yes
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150Yes
App support0Yes
Navigation map updates, three years0Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested141598%
Total Not Requested252%
Premium 3 Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Lane departure warning system200No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Parking guidance system - active500Yes
Total Requested140088%
Total Not Requested20012%

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