BMW 3-Series BMW 3-Series 2018 Mercedes-Benz SLK Mercedes-Benz SLK 2007

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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: $70,510

Mercedes-Benz SLK SLK55 AMG   
Difference: $385

Lowest Total Invoice: $65,718

Mercedes-Benz SLK SLK55 AMG   
Difference: $922

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182007
Model3-SeriesSLK
TrimM3SLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $65,500 $62,500
Base Invoice $61,595 $58,125
7-speed automated manual 2,900  
Metallic paint (extra cost) 550 700
Leather seating surfaces 950  
Wood trim 0  
Sunroof 0  
Lighting Package   1,000
Premium II Package   1,400
Automatic climate control, front   710
Bluetooth cell phone link   925
Navigation system   1,200
7-speed automated manual 2,670  
Metallic paint (extra cost) 505 650
Leather seating surfaces 875  
Wood trim 0  
Sunroof 0  
Lighting Package   930
Premium II Package   1,302
Automatic climate control, front   660
Bluetooth cell phone link   860
Navigation system   1,116
Options (change) 4,400 5,935
Options (change) 4,050 5,518
Destination 995 775
Gas Tax 0 1,300
Total Price $70,895 $70,510
Total Invoice $66,640 $65,718

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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 SLK55 AMG
TrueDelta Adjusted Price Difference: $1,690
TrueDelta Adjusted Invoice Difference: $2,138
Model Year20182007
Model3-SeriesSLK
TrimM3SLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Engine425hp I6355hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)17/24 MPG16/22 MPG
Audio (watts, speakers)600, 16380, 11
Tire (rear if not all the same)255/40-18225/40-18
Total Price$70,895$70,510
Adjustments for Features0-1,305
Feature-Adjusted Total Price$70,895$69,205
Total Invoice$66,640$65,718
Adjustments for Features0-1,216
Feature-Adjusted Total Invoice$66,640$64,502

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

Model Year20182007
Model3-SeriesSLK
TrimM3SLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $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 
Tire-pressure monitor$75 
Cargo Management 
Air-conditioned storage compartment$50 
Climate Control 
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 
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
Media drive$15 
MP3-compatible player$50 
Navigation map updates, three years$0 
S Voice support$0 
Siri Eyes Free support$0 
Traffic + travel information$25 
Voice control for external devices$0 
Voice control for nav and audio$100 
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 
Aluminum trim $100
Center armrest(s), second row$50 
Folding second row seats$300 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Memory system, passenger seat $150
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
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 
Adaptive dampers - electrical$500 
Electronic systems calibration selector$200 
Performance steering system (optional)$0 
Transmission 
Launch control$100 
Total Value of Features$8,215$9,520
Value of Feature Adjustments$0$1,305
Value of Feature Adjustments0-1,216

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

Model Year20182007
Model3-SeriesSLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase110.6 in95.7 in
Length182.5 in160.7 in
Width71.3 in70.4 in
Height56.3 in51.0 in
Curb Weight3,630 lb.3,420 lb.
Fuel Capacity15.8 gal.18.5 gal.
Row 1 Headroom40.3 in37.9 in
Row 1 Shoulder Room55.1 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom42.0 in42.5 in
Row 2 Headroom37.7 in0.0 in
Row 2 Shoulder Room55.1 in0.0 in
Row 2 Legroom35.1 in0.0 in
Cargo Volume,
Minimum
13.0 ft36.5 ft3
Cargo Volume,
Maximum
13.09.8 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%
Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested30046%
Total Not Requested35054%

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