BMW 3-Series BMW 3-Series 2016 Mercedes-Benz SLK Mercedes-Benz SLK 2011

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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: $42,395

BMW 3-Series 320i   
Difference: $15,480

Lowest Total Invoice: $39,680

BMW 3-Series 320i   
Difference: $14,206

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162016201620162016201620112011
Model3-Series3-Series3-Series3-Series3-Series3-SeriesSLKSLK
Trim320i328i328d330e340iM3SLK300SLK350
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $33,150 $38,350 $39,850 $43,700 $45,800 $63,500 $47,650 $53,300
Base Invoice $31,180 $35,960 $37,340 $40,885 $42,815 $59,100 $44,314 $49,569
Navigation system 1,950 1,950 1,950 1,950 1,950      
Premium Package 3,100 2,450 2,450 2,450        
LED headlights 700              
Wood trim 500         0 690 690
Leather seating surfaces 1,450 1,450 1,450 1,450 1,450 0    
Metallic paint (extra cost) 550 550 550 550 550 550 720 720
Executive Package           3,500    
Sunroof           0    
Lighting Package             1,070 1,070
Multimedia Package             2,890 2,890
Premium 1 Package             2,590 2,590
Automatic climate control, front             760 760
Upgraded leather upholstery             630 630
Navigation system 1,775 1,775 1,775 1,775 1,775      
Premium Package 2,820 2,230 2,230 2,230        
LED headlights 635              
Wood trim 455         0 642 642
Leather seating surfaces 1,320 1,320 1,320 1,320 1,320 0    
Metallic paint (extra cost) 500 500 500 500 500 500 670 670
Executive Package           3,185    
Sunroof           0    
Lighting Package             995 995
Multimedia Package             2,688 2,688
Premium 1 Package             2,409 2,409
Automatic climate control, front             707 707
Upgraded leather upholstery             586 586
Options (change) 8,250 6,400 6,400 6,400 3,950 4,050 9,350 9,350
Options (change) 7,505 5,825 5,825 5,825 3,595 3,685 8,697 8,697
Destination 995 995 995 995 995 995 875 875
Gas Tax 0 0 0 -4,001 0 0 0 0
Total Price $42,395 $45,745 $47,245 $47,094 $50,745 $68,545 $57,875 $63,525
Total Invoice $39,680 $42,780 $44,160 $43,704 $47,405 $63,780 $53,886 $59,141

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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: BMW 3-Series 320i
TrueDelta Adjusted Price Difference: $11,185
TrueDelta Adjusted Invoice Difference: $10,207
Model Year20162016201620162016201620112011
Model3-Series3-Series3-Series3-Series3-Series3-SeriesSLKSLK
Trim320i328i328d330e340iM3SLK300SLK350
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine180hp I4240hp I4180hp I4 D181hp I4 PiH320hp I6425hp I6228hp V6300hp V6
TransmissionM6T8T8T8M6M6M6T7
DrivetrainRWDRWDRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9205, 9205, 9205, 9205, 9600, 16?, 9?, 9
Tire (rear if not all the same)225/50-17225/50-17225/50-17225/50-17225/45-18255/40-18225/45-17225/40-18
Total Price$42,395$45,745$47,245$47,094$50,745$68,545$57,875$63,525
Adjustments for Features0-1,825-1,925-1,950-675-2,625-4,295-5,345
Feature-Adjusted Total Price$42,395$43,920$45,320$45,144$50,070$65,920$53,580$58,180
Cost Above Minimum$0$1,525$2,925$2,749$7,675$23,525$0$4,600
Total Invoice$39,680$42,780$44,160$43,704$47,405$63,780$53,886$59,141
Adjustments for Features0-1,707-1,799-1,810-631-2,443-3,999-4,976
Feature-Adjusted Total Invoice$39,680$41,073$42,361$41,894$46,774$61,337$49,887$54,165
Cost Above Minimum$0$1,393$2,681$2,214$7,094$21,657$0$4,278

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

Model Year20162016201620162016201620112011
Model3-Series3-Series3-Series3-Series3-Series3-SeriesSLKSLK
Trim320i328i328d330e340iM3SLK300SLK350
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150   $150$150$150 
8-speed manually-shiftable automatic $1300$1300$1300    
7-speed manually-shiftable automatic       $1200
RWD$0$0$0$0$0$0$0$0
Accessories 
Hands-free trunk or liftgate$100$100$100$100$100$100  
Heated steering wheel     $100  
Power rear side windows$200$200$200$200$200$200  
Proximity key$250$250$250$250$250$250  
Remote app$25$25$25$25$25$25  
Tilt/telescoping steering wheel, manual$250$250$250$250$250$250  
Tilt/telescoping steering wheel, power      $350$350
Wind blocker, small      $100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0$0$0$0  
Obstacle detection, front     $150  
Obstacle detection, rear     $250  
Rearview camera     $200  
Side curtain airbags$350$350$350$350$350$350  
Temporary spare tire      $150$150
Tires, run-flat$150$150$150$150$150   
Cargo Management 
Air-conditioned storage compartment$50$50$50$50$50$50  
Climate Control 
Automatic air recirculation$100$100$100$100$100$100  
Rear air vents with manual controls$150$150$150$150$150$150  
Drivetrain 
Active rear differential     $500  
Engine / Motor 
3.6 kW onboard charger   $0    
8 kWh battery pack   $0    
Automatic start / stop$150$150$150$150$150$150  
Regenerative braking$0$0$0 $0$0  
Exterior 
Black exterior trim (optional) $0$0$0$0$0  
Body kit      $0$0
Bright-finished exhaust tip(s)$25    $25$25$25
Painted brake calipers (optional)     $0  
Power retractable hardtop      $6750$6750
Rear spoiler     $200$200$200
Sport rocker panels (optional)     $0  
Sunroof$900$900$900$900$900$900  
Infotainment 
4G LTE connectivity$0$0$0$0$0$0  
App support$0$0$0$0$0$0  
Bluetooth audio streaming$25$25$25$25$25$25  
CD changer, in-dash      $325$325
CD player$125$125$125$125$125$125  
Handwriting recognition$200$200$200$200$200$200  
In-vehicle Internet$150$150$150$150$150$150  
iPod integration      $100$100
Navigation map updates, three years$0$0$0$0$0$0  
S Voice support$0$0$0$0$0$0  
Satellite radio      $200$200
Satellite radio - one year subscription$250$250$250$250$250$250  
SD Card slot      $25$25
Siri Eyes Free support$0$0$0$0$0$0  
Surround sound     $250  
Traffic + travel information$25$25$25$25$25$25  
Traffic information      $25$25
USB port$25$25$25$25$25$25  
Voice control for external devices$0$0$0$0$0$0  
Instruments, Lights, and Mirrors 
Analog clock      $25$25
Auto-dimming passenger-side mirror$75$75$75$75$75$75  
Compass$0$0$0$0$0$0  
Cornering lights     $50$50$50
Fog light, rear      $100$100
Fog lights$125$125$125$125$125 $125$125
Head-up display (HUD)     $350  
Headlight washers     $50$50$50
Illuminated visor mirror, driver$50$50$50$50$50$50  
Illuminated visor mirror, passenger$50$50$50$50$50$50  
Large energy flow and fuel economy display   $25    
LED headlights$1000$1000$1000$1000$1000   
Power-folding mirrors$50$50$50$50$50$50  
Steering-linked headlights     $150  
Visor mirror, driver      $10$10
Visor mirror, passenger      $10$10
Xenon HID headlights     $500$500$500
Seats and Interior Trim 
Center armrest(s), second row$50$50$50$50$50$50  
Door sill trim plates $100$100$100$100$100$100$100
Folding second row seats $300$300$300$300$300  
Heated front seats     $200  
Heated second row seats     $200  
Leather door panel trim      $250$250
Leather-wrapped steering wheel$150$150$150$150$150$150  
Manual thigh support length adjuster, driver seat $50$50$50$50$50  
Manual thigh support length adjuster, passenger seat $50$50$50$50$50  
Memory system, passenger seat      $150$150
Metal pedals      $75$75
No leather in second row      $-300$-300
Power seatback bolsters, driver seat $100$100$100$100$100  
Power seatback bolsters, passenger seat $100$100$100$100$100  
Wood/leather-wrapped steering wheel      $150$150
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200$200$200$200$200$200  
Performance steering system (optional)     $0  
Sport suspension (upgrade)     $0  
Transmission 
Downshift rev matching     $50  
Steering-wheel-mounted transmission controls  $100$100    
Total Value of Features$5,400$7,225$7,325$7,350$6,075$8,025$9,695$10,745
Value of Feature Adjustments$0$1,825$1,925$1,950$675$2,625$4,295$5,345
Value of Feature Adjustments0-1,707-1,799-1,810-631-2,443-3,999-4,976

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

Model Year20162011
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 Weight3,431 lb.3,210 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
BMW 3-Series 320i

Navigation system
FeatureValueRequested?
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
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
App support0No
Remote app25No
Total Requested71564%
Total Not Requested40036%
Premium Package
FeatureValueRequested?
Sunroof900No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Total Requested142547%
Total Not Requested162553%

Option Package Details
BMW 3-Series 328i

Navigation system
FeatureValueRequested?
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
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
App support0No
Remote app25No
Total Requested71564%
Total Not Requested40036%
Premium Package
FeatureValueRequested?
Sunroof900No
LED headlights1000No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested30011%
Total Not Requested250089%

Option Package Details
BMW 3-Series 328d

Navigation system
FeatureValueRequested?
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
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
App support0No
Remote app25No
Total Requested71564%
Total Not Requested40036%
Premium Package
FeatureValueRequested?
Sunroof900No
LED headlights1000No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested30011%
Total Not Requested250089%

Option Package Details
BMW 3-Series 330e

Navigation system
FeatureValueRequested?
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
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
App support0No
Remote app25No
Total Requested71564%
Total Not Requested40036%
Premium Package
FeatureValueRequested?
Sunroof900No
LED headlights1000No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested30011%
Total Not Requested250089%

Option Package Details
BMW 3-Series 340i

Navigation system
FeatureValueRequested?
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
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
App support0No
Remote app25No
Total Requested71564%
Total Not Requested40036%

Option Package Details
BMW 3-Series M3

Executive Package
FeatureValueRequested?
Heated second row seats200No
Obstacle detection, front150No
Obstacle detection, rear250No
Rearview camera200No
Heated steering wheel100No
Head-up display (HUD)350No
Headlight washers50Yes
Total Requested504%
Total Not Requested125096%

Option Package Details
Mercedes-Benz SLK SLK300

Wood trim
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50Yes
Media drive, large15Yes
SD Card slot25No
Total Requested99098%
Total Not Requested252%
Premium 1 Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15Yes
Mirror tilt-down in reverse25Yes
Interior ambient lighting150Yes
iPod integration100Yes
Total Requested189088%
Total Not Requested25012%

Option Package Details
Mercedes-Benz SLK SLK350

Wood trim
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50Yes
Media drive, large15Yes
SD Card slot25No
Total Requested99098%
Total Not Requested252%
Premium 1 Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15Yes
Mirror tilt-down in reverse25Yes
Interior ambient lighting150Yes
iPod integration100Yes
Total Requested189088%
Total Not Requested25012%

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