Mercedes-Benz SLK Mercedes-Benz SLK 2008 BMW 3-Series BMW 3-Series 2020

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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: $59,195

BMW 3-Series M340i   
Difference: $11,605

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082020
ModelSLK3-Series
TrimSLK55 AMGM340i
Body2dr Hardtop conv.4dr Sedan
Base Price $63,200 $54,000
Premium II Package 1,410  
Lighting Package 1,010  
Metallic paint (extra cost) 710 550
iPod integration 375  
Automatic climate control, front 720  
Navigation system 1,200 1,700
Luxury Design   0
Heated front seats   500
Aluminum trim   0
Leather seating surfaces   1,450
Premium II Package 1,311  
Lighting Package 939  
Metallic paint (extra cost) 659 505
iPod integration 349  
Automatic climate control, front 670  
Navigation system 1,116 1,565
Luxury Design   0
Heated front seats   460
Aluminum trim   0
Leather seating surfaces   1,335
Options (change) 5,425 4,200
Options (change) 5,044 3,865
Destination 875 995
Gas Tax 1,300 0
Total Price $70,800 $59,195

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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 M340i
TrueDelta Adjusted Price Difference: $8,600
TrueDelta Adjusted Invoice Difference: $58,334
Model Year20082020
ModelSLK3-Series
TrimSLK55 AMGM340i
Body2dr Hardtop conv.4dr Sedan
Engine355hp V8382hp I6
TransmissionT7T8
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG22/30 MPG
Audio (watts, speakers)380, 11600, 16
Tire (rear if not all the same)225/40-18225/45-18
Total Price$70,800$59,195
Adjustments for Features-3,0050
Feature-Adjusted Total Price$67,795$59,195

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

Model Year20082020
ModelSLK3-Series
TrimSLK55 AMGM340i
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
8-speed manually-shiftable automatic $1300
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 
Tires, run-flat $150
Cargo Management 
Air-conditioned storage compartment $50
Climate Control 
Automatic air recirculation $100
Rear air vents with manual controls $150
Engine / Motor 
Automatic start / stop $150
Regenerative braking $0
Exterior 
Body kit$0 
Power retractable hardtop$6750 
Rear spoiler$200 
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
iPod integration$100 
Media drive $15
MP3-compatible player $50
Navigation map updates, three years $0
S Voice support $0
Satellite radio$200 
Satellite radio - one year subscription $250
Siri Eyes Free support $0
Traffic + travel information $25
USB port $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 
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 
Electronic systems calibration selector $200
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$10,070$7,065
Value of Feature Adjustments$3,005$0
Value of Feature Adjustments-2,8010

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

Model Year20082020
ModelSLK3-Series
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in112.2 in
Length160.7 in185.7 in
Width70.4 in71.9 in
Height51.0 in56.8 in
Curb Weight3,420 lb.3,849 lb.
Fuel Capacity18.5 gal.15.6 gal.
Row 1 Headroom37.9 in38.7 in
Row 1 Shoulder Room52.2 in56.0 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in42.0 in
Row 2 Headroom0.0 in37.6 in
Row 2 Shoulder Room0.0 in54.6 in
Row 2 Legroom0.0 in35.2 in
Cargo Volume,
Minimum
6.5 ft316.9 ft3
Cargo Volume,
Maximum
9.8 ft316.9 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested40053%
Total Not Requested35047%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%

Option Package Details
BMW 3-Series M340i

Navigation system
FeatureValueRequested?
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25No
Remote app25No
Total Requested60054%
Total Not Requested51546%
Luxury Design
FeatureValueRequested?
Additional chrome trim0No
Bright-finished exhaust tip(s)25Yes
Chrome interior accents (optional)0No
Total Requested25100%
Total Not Requested00%

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