Mercedes-Benz SLK Mercedes-Benz SLK 2011 BMW 3-Series BMW 3-Series 2018

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $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 Year20112011201820182018201820182018
ModelSLKSLK3-Series3-Series3-Series3-Series3-Series3-Series
TrimSLK300SLK350320i328d330i330e iPerformance340iM3
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $47,650 $53,300 $34,900 $41,750 $40,250 $45,600 $48,950 $65,500
Base Invoice $44,314 $49,569 $33,135 $40,110 $38,115 $43,090 $46,205 $61,595
Lighting Package 1,070 1,070            
Premium 1 Package 2,590 2,590            
Multimedia Package 2,890 2,890            
Metallic paint (extra cost) 720 720 550 550 550 550 550 550
Automatic climate control, front 760 760            
Wood trim 690 690 500         0
Upgraded leather upholstery 630 630            
Sport Plus Design     2,650          
Premium Tier     3,000          
Leather seating surfaces     1,450 1,450 1,450 1,450 1,450 950
Navigation system       1,700 1,700 1,700 1,700  
Convenience Tier       1,750 1,750 1,750    
Sunroof               0
Lighting Package 995 995            
Premium 1 Package 2,409 2,409            
Multimedia Package 2,688 2,688            
Metallic paint (extra cost) 670 670 505 505 505 505 505 505
Automatic climate control, front 707 707            
Wood trim 642 642 460         0
Upgraded leather upholstery 586 586            
Sport Plus Design     2,435          
Premium Tier     2,760          
Leather seating surfaces     1,335 1,335 1,335 1,335 1,335 875
Navigation system       1,565 1,565 1,565 1,565  
Convenience Tier       1,610 1,610 1,610    
Sunroof               0
Options (change) 9,350 9,350 8,150 5,450 5,450 5,450 3,700 1,500
Options (change) 8,697 8,697 7,495 5,015 5,015 5,015 3,405 1,380
Destination 875 875 995 995 995 995 995 995
Gas Tax 0 0 0 0 0 -4,001 0 0
Total Price $57,875 $63,525 $44,045 $48,195 $46,695 $48,044 $53,645 $67,995
Total Invoice $53,886 $59,141 $41,625 $46,120 $44,125 $45,099 $50,605 $63,970

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mercedes-Benz SLK dealer quotes or BMW 3-Series dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Mercedes-Benz SLK vs. BMW 3-Series

Lowest Adjusted Price and Invoice: BMW 3-Series 320i
TrueDelta Adjusted Price Difference: $10,410
TrueDelta Adjusted Invoice Difference: $9,078
Model Year20112011201820182018201820182018
ModelSLKSLK3-Series3-Series3-Series3-Series3-Series3-Series
TrimSLK300SLK350320i328d330i330e iPerformance340iM3
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine228hp V6300hp V6180hp I4180hp I4 D248hp I4180hp I4 PiH320hp I6425hp I6
TransmissionM6T7T8T8M6T8T8M6
DrivetrainRWDRWDRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 9?, 9205, 9205, 9205, 9205, 9600, 16600, 16
Tire (rear if not all the same)225/45-17225/40-18225/45-18225/50-17225/50-17225/50-17225/45-18255/40-18
Total Price$57,875$63,525$44,045$48,195$46,695$48,044$53,645$67,995
Adjustments for Features-3,495-4,545-75-1,2500-1,275-1,400-1,450
Feature-Adjusted Total Price$54,380$58,980$43,970$46,945$46,695$46,769$52,245$66,545
Cost Above Minimum$0$4,600$0$2,975$2,725$2,799$8,275$22,575
Total Invoice$53,886$59,141$41,625$46,120$44,125$45,099$50,605$63,970
Adjustments for Features-3,254-4,231-71-1,1960-1,197-1,321-1,364
Feature-Adjusted Total Invoice$50,632$54,910$41,554$44,924$44,125$43,902$49,284$62,606
Cost Above Minimum$0$4,278$0$3,370$2,571$2,348$7,730$21,052

Return to top

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

Model Year20112011201820182018201820182018
ModelSLKSLK3-Series3-Series3-Series3-Series3-Series3-Series
TrimSLK300SLK350320i328d330i330e iPerformance340iM3
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150   $150  $150
7-speed manually-shiftable automatic $1200      
8-speed manually-shiftable automatic  $1300$1300 $1300$1300 
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$9,695$10,745$6,275$7,450$6,200$7,475$7,600$7,650
Value of Feature Adjustments$3,495$4,545$75$1,250$0$1,275$1,400$1,450
Value of Feature Adjustments-3,254-4,231-71-1,1960-1,197-1,321-1,364

Return to top

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

Model Year20112018
ModelSLK3-Series
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in110.6 in
Length160.7 in182.5 in
Width70.4 in71.3 in
Height51.0 in56.3 in
Curb Weight3,210 lb.3,502 lb.
Fuel Capacity18.5 gal.15.8 gal.
Row 1 Headroom37.9 in40.3 in
Row 1 Shoulder Room52.2 in55.1 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in42.0 in
Row 2 Headroom0.0 in37.7 in
Row 2 Shoulder Room0.0 in55.1 in
Row 2 Legroom0.0 in35.1 in
Cargo Volume,
Minimum
6.5 ft313.0 ft3
Cargo Volume,
Maximum
9.8 ft313.0 ft3

Return to top

Option Package Details
Mercedes-Benz SLK SLK300

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
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%
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%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
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%
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%

Option Package Details
BMW 3-Series 320i

Sport Plus Design
FeatureValueRequested?
Sport suspension (upgrade)250No
Dark-colored headliner (optional)0No
225/45VR18 tires400No
Power seatback bolsters, driver seat100No
Manual thigh support length adjuster, passenger seat50No
Power seatback bolsters, passenger seat100No
Manual thigh support length adjuster, driver seat50No
Front sport buckets100No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
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
Power fore-aft adjuster, driver seat100Yes
Total Requested112551%
Total Not Requested110049%
Premium Tier
FeatureValueRequested?
Heated front seats200No
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Power 4-way lumbar adjuster, driver seat150Yes
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
DVD-compatible player0Yes
Traffic + travel information25No
Remote app25No
Navigation system600Yes
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
Traffic + travel information25No
Remote app25No
Navigation system600Yes
Total Requested71564%
Total Not Requested40036%
Convenience Tier
FeatureValueRequested?
Sunroof900No
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Power 4-way lumbar adjuster, driver seat150Yes
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
Traffic + travel information25No
Remote app25No
Navigation system600Yes
Total Requested71564%
Total Not Requested40036%
Convenience Tier
FeatureValueRequested?
Sunroof900No
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Power 4-way lumbar adjuster, driver seat150Yes
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
Traffic + travel information25No
Remote app25No
Navigation system600Yes
Total Requested71564%
Total Not Requested40036%
Convenience Tier
FeatureValueRequested?
Sunroof900No
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250No
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Power 4-way lumbar adjuster, driver seat150Yes
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
Traffic + travel information25No
Remote app25No
Navigation system600Yes
Total Requested71564%
Total Not Requested40036%

Option Package Details
BMW 3-Series M3

Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces450Yes
Upgraded leather upholstery-450No
Total Requested45064%
Total Not Requested-45036%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Convertibles
See TrueDelta's information for all Mercedes-Benz models.