BMW 3-Series BMW 3-Series 2018 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: $44,045

BMW 3-Series 320i   
Difference: $13,830

Lowest Total Invoice: $41,625

BMW 3-Series 320i   
Difference: $12,261

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018201820182018201820112011
Model3-Series3-Series3-Series3-Series3-Series3-SeriesSLKSLK
Trim320i328d330i330e iPerformance340iM3SLK300SLK350
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $34,900 $41,750 $40,250 $45,600 $48,950 $65,500 $47,650 $53,300
Base Invoice $33,135 $40,110 $38,115 $43,090 $46,205 $61,595 $44,314 $49,569
Sport Plus Design 2,650              
Premium Tier 3,000              
Wood trim 500         0 690 690
Leather seating surfaces 1,450 1,450 1,450 1,450 1,450 950    
Metallic paint (extra cost) 550 550 550 550 550 550 720 720
Navigation system   1,700 1,700 1,700 1,700      
Convenience Tier   1,750 1,750 1,750        
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
Sport Plus Design 2,435              
Premium Tier 2,760              
Wood trim 460         0 642 642
Leather seating surfaces 1,335 1,335 1,335 1,335 1,335 875    
Metallic paint (extra cost) 505 505 505 505 505 505 670 670
Navigation system   1,565 1,565 1,565 1,565      
Convenience Tier   1,610 1,610 1,610        
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) 8,150 5,450 5,450 5,450 3,700 1,500 9,350 9,350
Options (change) 7,495 5,015 5,015 5,015 3,405 1,380 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 $44,045 $48,195 $46,695 $48,044 $53,645 $67,995 $57,875 $63,525
Total Invoice $41,625 $46,120 $44,125 $45,099 $50,605 $63,970 $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: $10,410
TrueDelta Adjusted Invoice Difference: $9,078
Model Year20182018201820182018201820112011
Model3-Series3-Series3-Series3-Series3-Series3-SeriesSLKSLK
Trim320i328d330i330e iPerformance340iM3SLK300SLK350
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine180hp I4180hp I4 D248hp I4180hp I4 PiH320hp I6425hp I6228hp V6300hp V6
TransmissionT8T8M6T8T8M6M6T7
DrivetrainRWDRWDRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9205, 9205, 9205, 9600, 16600, 16?, 9?, 9
Tire (rear if not all the same)225/45-18225/50-17225/50-17225/50-17225/45-18255/40-18225/45-17225/40-18
Total Price$44,045$48,195$46,695$48,044$53,645$67,995$57,875$63,525
Adjustments for Features-75-1,2500-1,275-1,400-1,450-3,495-4,545
Feature-Adjusted Total Price$43,970$46,945$46,695$46,769$52,245$66,545$54,380$58,980
Cost Above Minimum$0$2,975$2,725$2,799$8,275$22,575$0$4,600
Total Invoice$41,625$46,120$44,125$45,099$50,605$63,970$53,886$59,141
Adjustments for Features-71-1,1960-1,197-1,321-1,364-3,254-4,231
Feature-Adjusted Total Invoice$41,554$44,924$44,125$43,902$49,284$62,606$50,632$54,910
Cost Above Minimum$0$3,370$2,571$2,348$7,730$21,052$0$4,278

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

Model Year20182018201820182018201820112011
Model3-Series3-Series3-Series3-Series3-Series3-SeriesSLKSLK
Trim320i328d330i330e iPerformance340iM3SLK300SLK350
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300 $1300$1300   
6-speed manual  $150  $150$150 
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  
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  
Rearview camera$200$200$200$200$200$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 
3.5 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  
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  
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$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
Compass$0$0$0$0$0$0  
Cornering lights      $50$50
Fog light, rear      $100$100
Fog lights$125$125$125$125$125 $125$125
Headlight washers      $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$1000  
Power-folding mirrors$50$50$50$50$50$50  
Visor mirror, driver      $10$10
Visor mirror, passenger      $10$10
Xenon HID headlights      $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    $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$50  
Manual thigh support length adjuster, passenger seat$50$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$100  
Power seatback bolsters, passenger seat$100$100$100$100$100$100  
Wood/leather-wrapped steering wheel      $150$150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical     $500  
Electronic systems calibration selector$200$200$200$200$200$200  
Performance steering system (optional)     $0  
Sport suspension (upgrade)$0    $0  
Transmission 
Downshift rev matching     $50  
Steering-wheel-mounted transmission controls $100 $100    
Total Value of Features$6,275$7,450$6,200$7,475$7,600$7,650$9,695$10,745
Value of Feature Adjustments$75$1,250$0$1,275$1,400$1,450$3,495$4,545
Value of Feature Adjustments-71-1,1960-1,197-1,321-1,364-3,254-4,231

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

Model Year20182011
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 Weight3,502 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

Sport Plus Design
FeatureValueRequested?
Sport suspension (upgrade)250No
Dark-colored headliner (optional)0No
225/45VR18 tires400No
Manual thigh support length adjuster, driver seat50No
Power seatback bolsters, driver seat100No
Manual thigh support length adjuster, passenger seat50No
Power seatback bolsters, passenger seat100No
Front sport buckets100No
Compass0No
Power-folding mirrors50No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Total Requested112551%
Total Not Requested110049%
Premium Tier
FeatureValueRequested?
Heated front seats200No
Hands-free trunk or liftgate100No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
In-vehicle Internet150No
Navigation system600Yes
Traffic + travel information25No
Remote app25No
Total Requested101546%
Total Not Requested120054%

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
Remote app25No
Total Requested71564%
Total Not Requested40036%
Convenience Tier
FeatureValueRequested?
Sunroof900No
Hands-free trunk or liftgate100No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Total Requested30017%
Total Not Requested150083%

Option Package Details
BMW 3-Series 330i

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
Remote app25No
Total Requested71564%
Total Not Requested40036%
Convenience Tier
FeatureValueRequested?
Sunroof900No
Hands-free trunk or liftgate100No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Total Requested30017%
Total Not Requested150083%

Option Package Details
BMW 3-Series 330e iPerformance

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
Remote app25No
Total Requested71564%
Total Not Requested40036%
Convenience Tier
FeatureValueRequested?
Sunroof900No
Hands-free trunk or liftgate100No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Total Requested30017%
Total Not Requested150083%

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
Remote app25No
Total Requested71564%
Total Not Requested40036%

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 washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
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 washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
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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