BMW 3-Series BMW 3-Series 2009 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: $78,590

Mercedes-Benz SLK AMG SLK55   
Difference: $1,705

Lowest Total Invoice: $73,154

Mercedes-Benz SLK AMG SLK55   
Difference: $986

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092016
Model3-SeriesSLK
TrimM3AMG SLK55
Body2dr Hardtop conv.2dr Hardtop conv.
Base Price $66,500 $72,600
Base Invoice $61,360 $67,518
7-speed automated manual 2,900  
Premium Package 1,350  
Technology Package 3,250  
Metallic paint (extra cost) 475 720
Rear spoiler 0  
Leather door panel trim 1,100  
HD radio 350  
iPod integration 400  
Heated front seats 500  
Obstacle detection, rear 350  
Satellite radio - one year subscription 595  
Premium 2 Package   3,050
Premium 3 Package   1,295
7-speed automated manual 2,640  
Premium Package 1,230  
Technology Package 2,960  
Metallic paint (extra cost) 430 670
Rear spoiler 0  
Leather door panel trim 1,000  
HD radio 315  
iPod integration 365  
Heated front seats 455  
Obstacle detection, rear 320  
Satellite radio - one year subscription 540  
Premium 2 Package   2,837
Premium 3 Package   1,204
Options (change) 11,270 5,065
Options (change) 10,255 4,711
Destination 825 925
Gas Tax 1,700 0
Total Price $80,295 $78,590
Total Invoice $74,140 $73,154

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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 and Invoice: Mercedes-Benz SLK AMG SLK55
TrueDelta Adjusted Price Difference: $3,475
TrueDelta Adjusted Invoice Difference: $2,634
Model Year20092016
Model3-SeriesSLK
TrimM3AMG SLK55
Body2dr Hardtop conv.2dr Hardtop conv.
Engine414hp V8415hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG19/28 MPG
Audio (watts, speakers)?, 10500, 11
Tire (rear if not all the same)245/40-18235/40-18
Total Price$80,295$78,590
Adjustments for Features0-1,770
Feature-Adjusted Total Price$80,295$76,820
Total Invoice$74,140$73,154
Adjustments for Features0-1,648
Feature-Adjusted Total Invoice$74,140$71,506

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

Model Year20092016
Model3-SeriesSLK
TrimM3AMG SLK55
Body2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Power rear side windows$200 
Remote app $25
Semi-automated parking system $500
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500 
Blind spot warning system $200
Driver drowsiness monitor $150
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure warning $200
Obstacle detection, front $150
Roll bar $200
Side curtain airbags $350
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 
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Exterior 
Body kit $0
Glass roof panel(s) $300
Infotainment 
App support $0
Bluetooth audio streaming $25
DVD-compatible player $0
In-vehicle Internet $150
iPod integration$100 
Navigation map updates, three years $0
Satellite radio $200
Satellite radio - one year subscription$250 
SD Card slot $25
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Traffic + travel information $25
Traffic information$25 
USB port $25
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Fog light, rear $100
Fog lights$125 
Headlight washers $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Floor mats $75
Folding second row seats w/o opening to trunk$75 
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 headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
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 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Total Value of Features$4,400$6,170
Value of Feature Adjustments$0$1,770
Value of Feature Adjustments0-1,648

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

Model Year20092016
Model3-SeriesSLK
Body2dr Hardtop conv.2dr Hardtop conv.
Wheelbase108.7 in95.7 in
Length180.6 in162.8 in
Width70.2 in71.5 in
Height54.5 in51.2 in
Curb Weight4,145 lb.3,528 lb.
Fuel Capacity16.1 gal.15.9 gal.
Row 1 Headroom38.0 in38.0 in
Row 1 Shoulder Room55.3 in52.2 in
Row 1 Legroom41.8 in42.5 in
Row 2 Headroom36.5 in0.0 in
Row 2 Shoulder Room49.3 in0.0 in
Row 2 Legroom31.9 in0.0 in
Cargo Volume,
Minimum
9.0 ft36.4 ft3
Cargo Volume,
Maximum
12.2 ft310.1 ft3

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Option Package Details
BMW 3-Series M3

Premium Package
FeatureValueRequested?
Universal garage door opener100Yes
Telematics service, such as OnStar200Yes
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Aluminum trim100Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75No
Total Requested62589%
Total Not Requested7511%
Technology Package
FeatureValueRequested?
Adaptive shocks - electrical500Yes
Navigation system600Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Traffic information25Yes
Media drive, large15Yes
Electronic systems calibration selector200No
Total Requested149088%
Total Not Requested20012%

Option Package Details
Mercedes-Benz SLK AMG SLK55

Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Blind spot warning system200No
In-vehicle Internet150No
App support0No
Navigation map updates, three years0No
DVD-compatible player0No
Media drive15Yes
Traffic + travel information25Yes
SD Card slot25No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested106574%
Total Not Requested37526%
Premium 3 Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Lane departure warning system200No
Obstacle detection, front150No
Obstacle detection, rear250Yes
Parking guidance system - active500No
Total Requested75047%
Total Not Requested85053%

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