Mercedes-Benz SLK Mercedes-Benz SLK 2009 Infiniti Q40 Infiniti Q40 2015
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Mercedes-Benz SLK vs. Infiniti Q40 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. Infiniti Q40 Invoice Comparison

Lowest Total Price: $37,755

Infiniti Q40   
Difference: $23,470

Lowest Total Invoice: $35,176

Infiniti Q40   
Difference: $21,826

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092015
ModelSLKQ40
TrimSLK350Base
Body2dr Hardtop conv.4dr Sedan
Base Price $50,950 $33,950
Base Invoice $47,384 $31,574
Premium I Package 2,950  
Lighting Package 1,030  
Heating Package 990  
Multimedia Package 2,980  
Metallic paint (extra cost) 720  
Automatic climate control, front 730  
Navigation Package   2,900
Premium I Package 2,744  
Lighting Package 958  
Heating Package 921  
Multimedia Package 2,771  
Metallic paint (extra cost) 670  
Automatic climate control, front 679  
Navigation Package   2,697
Options (change) 9,400 2,900
Options (change) 8,743 2,697
Destination 875 905
Total Price $61,225 $37,755
Total Invoice $57,002 $35,176

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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 Mercedes-Benz SLK dealer quotes or Infiniti Q40 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. Infiniti Q40

Lowest Adjusted Price and Invoice: Infiniti Q40
TrueDelta Adjusted Price Difference: $16,020
TrueDelta Adjusted Invoice Difference: $14,890
Model Year20092015
ModelSLKQ40
TrimSLK350Base
Body2dr Hardtop conv.4dr Sedan
Engine300hp V6328hp V6
TransmissionT7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/26 MPG19/27 MPG
Audio (watts, speakers)380, 11?, 10
Tire (rear if not all the same)225/45-17225/55-17
Total Price$61,225$37,755
Adjustments for Features-7,4500
Feature-Adjusted Total Price$53,775$37,755
Total Invoice$57,002$35,176
Adjustments for Features-6,9360
Feature-Adjusted Total Invoice$50,066$35,176

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Features Comparison: Mercedes-Benz SLK vs. Infiniti Q40

Model Year20092015
ModelSLKQ40
TrimSLK350Base
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200
RWD$0$0
Accessories 
Power rear side windows $200
Proximity key $250
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
Knee airbag, driver$75 
Knee airbag, passenger$75 
Rearview camera $200
Side curtain airbags $350
Cargo Management 
Overhead sunglass holder $25
Rear seat pass-through $100
Climate Control 
Dual-zone climate control$125 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear air vents $100
Residual heat$50 
Variable intermittent wipers $75
Exterior 
Power retractable hardtop$6750 
Infotainment 
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
Concierge Services - 4 year subscription $200
iPod integration$100 
Media drive$15 
SD Card slot$25 
Telematics service, such as OnStar$200 
Traffic + travel information $25
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75 
Compass $0
Cornering lights$50 
Fog light, rear$100 
Headlight washers$50 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Interior ambient lighting$150 
Mirror tilt-down in reverse$25 
Turn signals on or near mirrors$25 
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
Aluminum trim $100
Center armrest(s), second row $50
Leather door panel trim$250 
Manual lumbar adjuster, driver seat $50
Memory system, driver seat$200 
Memory system, passenger seat$150 
Metal pedals$75 
Neck-level heating, front seats$150 
No leather in second row$-300 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Total Value of Features$10,900$3,450
Value of Feature Adjustments$7,450$0
Value of Feature Adjustments-6,9360

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See a complete comparison of Mercedes-Benz SLK vs. Infiniti Q40 features.

Specifications Comparison: Mercedes-Benz SLK vs. Infiniti Q40

Model Year20092015
ModelSLKQ40
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in112.2 in
Length160.7 in187.9 in
Width70.4 in69.8 in
Height51.0 in57.2 in
Curb Weight3,295 lb.3,624 lb.
Fuel Capacity18.5 gal.20.0 gal.
Row 1 Headroom37.9 in40.5 in
Row 1 Shoulder Room52.2 in55.6 in
Row 1 Hip Room54.6 in55.1 in
Row 1 Legroom42.5 in43.9 in
Row 2 Headroom0.0 in37.7 in
Row 2 Shoulder Room0.0 in55.2 in
Row 2 Hip Room0.0 in53.7 in
Row 2 Legroom0.0 in34.7 in
Cargo Volume,
Minimum		6.5 ft313.5 ft3
Cargo Volume,
Maximum		9.8 ft313.5 ft3

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See a complete comparison of Mercedes-Benz SLK vs. Infiniti Q40 specs.

Option Package Details
Mercedes-Benz SLK SLK350

Premium I 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 seat150No
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175No
Memory system, driver seat200No
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75No
Remote window/roof operation15Yes
Mirror tilt-down in reverse25No
Interior ambient lighting150No
iPod integration100Yes
Total Requested116550%
Total Not Requested117550%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15No
SD Card slot25No
Total Requested95071%
Total Not Requested39029%

Option Package Details
Infiniti Q40

Navigation Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Bose, 10 speakers (with subwoofer)350No
Voice control for nav and audio100Yes
Traffic + travel information25No
Bluetooth audio streaming25No
Total Requested95070%
Total Not Requested40030%

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