Mercedes-Benz SLK Mercedes-Benz SLK 2014 BMW 3-Series BMW 3-Series 2015

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

Lowest Total Price: $71,245

BMW 3-Series M3   
Difference: $5,245

Lowest Total Invoice: $66,225

BMW 3-Series M3   
Difference: $4,977

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142015
ModelSLK3-Series
TrimSLK55 AMGM3
Body2dr Hardtop conv.4dr Sedan
Base Price $68,925 $62,000
Base Invoice $64,100 $57,720
Lighting Package 1,390  
Automatic climate control, front 760  
Multimedia Package 2,150  
Obstacle detection, rear 970  
Metallic paint (extra cost) 720 550
Proximity key 650  
Executive Package   4,300
Leather seating surfaces   0
7-speed automated manual   2,900
Wood trim   0
Sunroof   0
Semi-automated parking system   500
Lighting Package 1,293  
Automatic climate control, front 707  
Multimedia Package 2,000  
Obstacle detection, rear 902  
Metallic paint (extra cost) 670 500
Proximity key 605  
Executive Package   3,915
Leather seating surfaces   0
7-speed automated manual   2,640
Wood trim   0
Sunroof   0
Semi-automated parking system   455
Options (change) 6,640 8,250
Options (change) 6,177 7,510
Destination 925 995
Total Price $76,490 $71,245
Total Invoice $71,202 $66,225

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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 SLK dealer quotes or BMW 3-Series dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: BMW 3-Series M3
TrueDelta Adjusted Price Difference: $475
TrueDelta Adjusted Invoice Difference: $537
Model Year20142015
ModelSLK3-Series
TrimSLK55 AMGM3
Body2dr Hardtop conv.4dr Sedan
Engine415hp V8425hp I6
TransmissionT7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/28 MPG17/24 MPG
Audio (watts, speakers)500, 11205, 9
Tire (rear if not all the same)235/40-18255/40-18
Total Price$76,490$71,245
Adjustments for Features-4,7700
Feature-Adjusted Total Price$71,720$71,245
Total Invoice$71,202$66,225
Adjustments for Features-4,4400
Feature-Adjusted Total Invoice$66,762$66,225

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

Model Year20142015
ModelSLK3-Series
TrimSLK55 AMGM3
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
RWD$0$0
Accessories 
Hands-free trunk or liftgate $100
Heated steering wheel $100
Parking guidance system - passive$250 
Power rear side windows $200
Semi-automated parking system $500
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Driver drowsiness monitor$150 
Rearview camera $200
Roll bar$200 
Temporary spare tire$150 
Torque vectoring, brake-based$100 
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 
CD changer, in-dash$325 
CD player $125
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 
Surround sound$250 
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 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Cornering lights $50
Fog light, rear$100 
Head-up display (HUD) $350
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
Aluminum trim$100 
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 
Wood trim $300
Suspension, Wheels, and Tires 
Electronic systems calibration selector $200
Performance steering system (optional) $0
Transmission 
Downshift rev matching $50
Launch control $100
Steering-wheel-mounted transmission controls$100 
Total Value of Features$11,870$7,100
Value of Feature Adjustments$4,770$0
Value of Feature Adjustments-4,4400

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

Model Year20142015
ModelSLK3-Series
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in110.6 in
Length162.8 in182.5 in
Width71.5 in71.3 in
Height51.2 in56.3 in
Curb Weight3,583 lb.3,595 lb.
Fuel Capacity15.9 gal.15.8 gal.
Row 1 Headroom38.0 in40.3 in
Row 1 Shoulder Room52.2 in55.1 in
Row 1 Legroom42.5 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
6.4 ft313.0 ft3
Cargo Volume,
Maximum
10.1 ft313.0 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Total Requested70078%
Total Not Requested20022%
Multimedia Package
FeatureValueRequested?
CD changer, in-dash200No
DVD-compatible player0Yes
Media drive, large15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150Yes
App support0Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested89080%
Total Not Requested22520%

Option Package Details
BMW 3-Series M3

Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces450Yes
Upgraded leather upholstery-450No
Total Requested45080%
Total Not Requested-45020%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100No
Launch control100No
Total Requested00%
Total Not Requested200100%
Executive Package
FeatureValueRequested?
Heated second row seats200No
Rearview camera200No
Heated steering wheel100No
Head-up display (HUD)350No
Headlight washers50Yes
Proximity key250Yes
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Total Requested70037%
Total Not Requested120063%

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