BMW 4-Series Gran Coupe BMW 4-Series Gran Coupe 2015 Mercedes-Benz SLK Mercedes-Benz SLK 2006

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BMW 4-Series Gran Coupe 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 4-Series Gran Coupe vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $45,945

BMW 4-Series Gran Coupe 428i   
Difference: $7,395

Lowest Total Invoice: $42,980

BMW 4-Series Gran Coupe 428i   
Difference: $6,681

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015200620062006
Model4-Series Gran Coupe4-Series Gran CoupeSLKSLKSLK
Trim428i435iSLK280SLK350SLK55 AMG
Body4dr Hatch4dr Hatch2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $40,300 $45,800 $42,900 $46,950 $61,500
Base Invoice $37,755 $42,815 $39,897 $43,664 $57,195
Navigation system 2,150 2,150 1,200 1,200  
Metallic paint (extra cost) 550 550 690 690 690
Leather seating surfaces 1,450 1,450      
Heated front seats 500 500 690 690  
Sport Line   1,700      
Lighting Package     990 990 990
Interior Trim Package     710 710  
Premium Package     1,200 1,200 1,470
Comfort Package     1,300 1,300  
Tires, run-flat     260 260  
Bluetooth cell phone link     925 925 925
Entertainment Package     1,700 1,700  
Navigation system 1,955 1,955 1,116 1,116  
Metallic paint (extra cost) 500 500 642 642 642
Leather seating surfaces 1,320 1,320      
Heated front seats 455 455 642 642  
Sport Line   1,545      
Lighting Package     921 921 921
Interior Trim Package     660 660  
Premium Package     1,116 1,116 1,367
Comfort Package     1,209 1,209  
Tires, run-flat     242 242  
Bluetooth cell phone link     860 860 860
Entertainment Package     1,581 1,581  
Options (change) 4,650 6,350 9,665 9,665 4,075
Options (change) 4,230 5,775 8,989 8,989 3,790
Destination 995 995 775 775 775
Gas Tax 0 0 0 0 1,300
Total Price $45,945 $53,145 $53,340 $57,390 $67,650
Total Invoice $42,980 $49,585 $49,661 $53,428 $63,060

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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

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

Request free, no-obligation BMW 4-Series Gran Coupe dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW 4-Series Gran Coupe vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: BMW 4-Series Gran Coupe 428i
TrueDelta Adjusted Price Difference: $4,830
TrueDelta Adjusted Invoice Difference: $4,293
Model Year20152015200620062006
Model4-Series Gran Coupe4-Series Gran CoupeSLKSLKSLK
Trim428i435iSLK280SLK350SLK55 AMG
Body4dr Hatch4dr Hatch2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine240hp I4300hp I6228hp V6268hp V6355hp V8
TransmissionT8T8M6M6T7
DrivetrainRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9205, 9380, 11380, 11?, 9
Tire (rear if not all the same)225/50-17225/45-18205/55-16225/45-17225/40-18
Total Price$45,945$53,145$53,340$57,390$67,650
Adjustments for Features0-300-2,565-2,565-2,440
Feature-Adjusted Total Price$45,945$52,845$50,775$54,825$65,210
Cost Above Minimum$0$6,900$0$4,050$14,435
Total Invoice$42,980$49,585$49,661$53,428$63,060
Adjustments for Features0-280-2,388-2,388-2,274
Feature-Adjusted Total Invoice$42,980$49,305$47,273$51,040$60,786
Cost Above Minimum$0$6,325$0$3,767$13,513

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Features Comparison: BMW 4-Series Gran Coupe vs. Mercedes-Benz SLK

Model Year20152015200620062006
Model4-Series Gran Coupe4-Series Gran CoupeSLKSLKSLK
Trim428i435iSLK280SLK350SLK55 AMG
Body4dr Hatch4dr Hatch2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300   
6-speed manual  $150$150 
7-speed manually-shiftable automatic    $1200
RWD$0$0$0$0$0
Accessories 
Power liftgate$350$350   
Power rear side windows$200$200   
Remote app$25$25   
Tilt/telescoping steering wheel, manual$250$250   
Tilt/telescoping steering wheel, power  $350$350$350
Wind blocker, small  $100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0   
Side curtain airbags$350$350   
Tire-pressure monitor$75$75$75$75 
Tires, run-flat$150$150$150$150 
Cargo Management 
Air-conditioned storage compartment$50$50   
Cargo cover$75$75   
Cargo net$40$40   
Climate Control 
Rear air vents with manual controls$150$150   
Engine / Motor 
Automatic start / stop$150$150   
Regenerative braking$0$0   
Exterior 
Black exterior trim (optional) $0   
Body kit    $0
Power retractable hardtop  $6750$6750$6750
Rear spoiler    $200
Sunroof$900$900   
Infotainment 
App support$0$0   
Aux input$50$50   
Bluetooth audio streaming$25$25   
DVD-compatible player$0$0   
Handwriting recognition$200$200   
HD radio$50$50   
In-vehicle Internet$150$150   
Media drive$15$15   
MP3-compatible player$50$50   
Navigation system$600$600$600$600 
S Voice support$0$0   
Satellite radio  $200$200 
Siri Eyes Free support$0$0   
Surround sound  $250$250 
Traffic + travel information$25$25   
Voice control for external devices$0$0   
Voice control for nav and audio$100$100   
Instruments, Lights, and Mirrors 
Analog clock  $25$25$25
Auto-dimming passenger-side mirror$75$75   
Compass$0$0   
Cornering lights  $50$50$50
Fog light, rear  $100$100$100
Headlight washers  $50$50$50
Illuminated visor mirror, driver$50$50   
Illuminated visor mirror, passenger$50$50   
Power-folding mirrors$50$50   
Steering-linked headlights$150$150   
Visor mirror, driver  $10$10$10
Visor mirror, passenger  $10$10$10
Seats and Interior Trim 
Aluminum trim    $100
Center armrest(s), second row$50$50   
Folding second row seats$300$300   
Leather-wrapped steering wheel$150$150  $150
Manual thigh support length adjuster, driver seat $50   
Manual thigh support length adjuster, passenger seat $50   
Memory system, passenger seat  $150$150$150
Power seatback bolsters, driver seat $100   
Power seatback bolsters, passenger seat $100   
Synthetic suede inserts in leather seating surfaces    $0
Wood trim$300$300$300$300 
Wood/leather-wrapped steering wheel  $150$150 
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200$200   
Sport suspension (upgrade) $0  $0
Transmission 
Launch control$100$100   
Steering-wheel-mounted transmission controls$100$100  $100
Total Value of Features$6,905$7,205$9,470$9,470$9,345
Value of Feature Adjustments$0$300$2,565$2,565$2,440
Value of Feature Adjustments0-280-2,388-2,388-2,274

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Specifications Comparison: BMW 4-Series Gran Coupe vs. Mercedes-Benz SLK

Model Year20152006
Model4-Series Gran CoupeSLK
Body4dr Hatch2dr Hardtop conv.
Wheelbase111.0 in95.7 in
Length182.5 in160.7 in
Width71.8 in70.4 in
Height54.6 in51.0 in
Curb Weight3,611 lb.3,210 lb.
Fuel Capacity15.8 gal.18.5 gal.
Row 1 Headroom39.8 in37.9 in
Row 1 Shoulder Room54.8 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom42.2 in42.5 in
Row 2 Headroom37.2 in0.0 in
Row 2 Shoulder Room54.3 in0.0 in
Row 2 Legroom33.7 in0.0 in
Cargo Volume,
Minimum
17.0 ft36.5 ft3
Cargo Volume,
Maximum
45.9 ft39.8 ft3

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Option Package Details
BMW 4-Series Gran Coupe 428i

Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Handwriting recognition200No
App support0No
Remote app25No
Siri Eyes Free support0No
S Voice support0No
Total Requested60054%
Total Not Requested51546%

Option Package Details
BMW 4-Series Gran Coupe 435i

Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Handwriting recognition200No
App support0No
Remote app25No
Siri Eyes Free support0No
S Voice support0No
Total Requested60054%
Total Not Requested51546%
Sport Line
FeatureValueRequested?
Dark-colored headliner (optional)0No
Sport suspension (upgrade)250Yes
Special interior trim0No
Door sill trim plates100No
Black exterior trim (optional)0No
225/45VR18 tires400No
Manual thigh support adjuster, driver seat50No
Power seatback bolsters, driver seat100No
Manual thigh support adjuster, passenger seat50No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Total Requested35030%
Total Not Requested80070%

Option Package Details
Mercedes-Benz SLK SLK280

Tires, run-flat
FeatureValueRequested?
Tires, run-flat150Yes
Tire-pressure monitor75Yes
Total Requested225100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Variable assist steering (optional)0No
Remote window/roof operation15Yes
Total Requested490100%
Total Not Requested00%
Comfort 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 recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25Yes
Total Requested105081%
Total Not Requested25019%
Entertainment Package
FeatureValueRequested?
Satellite radio200No
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested00%
Total Not Requested800100%

Option Package Details
Mercedes-Benz SLK SLK350

Tires, run-flat
FeatureValueRequested?
Tires, run-flat150Yes
Tire-pressure monitor75Yes
Total Requested225100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Variable assist steering (optional)0No
Remote window/roof operation15Yes
Total Requested490100%
Total Not Requested00%
Comfort 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 recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25Yes
Total Requested105081%
Total Not Requested25019%
Entertainment Package
FeatureValueRequested?
Satellite radio200No
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested00%
Total Not Requested800100%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Total Requested475100%
Total Not Requested00%

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