Mercedes-Benz SLK Mercedes-Benz SLK 2009 BMW 3-Series BMW 3-Series 2018

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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: $70,895

BMW 3-Series M3   
Difference: $2,140

Lowest Total Invoice: $66,640

BMW 3-Series M3   
Difference: $1,414

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092018
ModelSLK3-Series
TrimSLK55 AMGM3
Body2dr Hardtop conv.4dr Sedan
Base Price $65,700 $65,500
Base Invoice $61,101 $61,595
Lighting Package 1,030  
Multimedia Package 2,980  
Metallic paint (extra cost) 720 550
Automatic climate control, front 730  
7-speed automated manual   2,900
Aluminum trim   0
Leather seating surfaces   950
Sunroof   0
Lighting Package 958  
Multimedia Package 2,771  
Metallic paint (extra cost) 670 505
Automatic climate control, front 679  
7-speed automated manual   2,670
Aluminum trim   0
Leather seating surfaces   875
Sunroof   0
Options (change) 5,460 4,400
Options (change) 5,078 4,050
Destination 875 995
Gas Tax 1,000 0
Total Price $73,035 $70,895
Total Invoice $68,054 $66,640

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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 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: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $230
TrueDelta Adjusted Invoice Difference: $794
Model Year20092018
ModelSLK3-Series
TrimSLK55 AMGM3
Body2dr Hardtop conv.4dr Sedan
Engine355hp V8425hp I6
TransmissionT7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/22 MPG17/24 MPG
Audio (watts, speakers)380, 11600, 16
Tire (rear if not all the same)225/40-18255/40-18
Total Price$73,035$70,895
Adjustments for Features-2,3700
Feature-Adjusted Total Price$70,665$70,895
Total Invoice$68,054$66,640
Adjustments for Features-2,2080
Feature-Adjusted Total Invoice$65,846$66,640

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

Model Year20092018
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
Power rear side windows $200
Proximity key $250
Remote app $25
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Rearview camera $200
Side curtain airbags $350
Temporary spare tire$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 
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 
Sport rocker panels (optional) $0
Sunroof $900
Infotainment 
4G LTE connectivity $0
App support $0
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Navigation map updates, three years $0
S Voice support $0
Satellite radio$200 
Satellite radio - one year subscription $250
SD Card slot$25 
Siri Eyes Free support $0
Traffic + travel information $25
USB port $25
Voice control for external devices $0
Instruments, Lights, and Mirrors 
Analog clock$25 
Compass $0
Cornering lights$50 
Fog light, rear$100 
Fog lights$125 
Headlight washers$50 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
LED headlights $1000
Power-folding mirrors $50
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
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$75 
No leather in second row$-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 
Adaptive dampers - electrical $500
Electronic systems calibration selector $200
Performance steering system (optional) $0
Transmission 
Launch control $100
Total Value of Features$10,245$7,875
Value of Feature Adjustments$2,370$0
Value of Feature Adjustments-2,2080

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

Model Year20092018
ModelSLK3-Series
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in110.6 in
Length160.7 in182.5 in
Width70.4 in71.3 in
Height51.0 in56.3 in
Curb Weight3,420 lb.3,630 lb.
Fuel Capacity18.5 gal.15.8 gal.
Row 1 Headroom37.9 in40.3 in
Row 1 Shoulder Room52.2 in55.1 in
Row 1 Hip Room54.6 in0.0 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
6.5 ft313.0 ft3
Cargo Volume,
Maximum
9.8 ft313.0 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25No
Total Requested96572%
Total Not Requested37528%

Option Package Details
BMW 3-Series M3

7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100Yes
Launch control100No
Total Requested10050%
Total Not Requested10050%
Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces450Yes
Upgraded leather upholstery-450No
Total Requested45050%
Total Not Requested-45050%

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