Porsche 911 Porsche 911 2010 Mercedes-Benz SLK Mercedes-Benz SLK 2014

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Porsche 911 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.

Porsche 911 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $79,290

Mercedes-Benz SLK SLK55 AMG   
Difference: $37,535

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102014
Model911SLK
TrimCarrera SSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $99,800 $68,925
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 420  
iPod integration 440  
Navigation system 2,110  
Metallic paint (extra cost) 710 720
Dual-mode exhaust, switchable 2,500  
Heated front seats 510  
Satellite radio 750  
Floor mats 140  
Audio controls on steering wheel 615  
Bluetooth cell phone link 695  
Obstacle detection, rear 530 970
Illuminated door sill trim plates 775 850
Carbon fiber trim 890 2,250
Voice control for nav and audio 595  
Traffic information 0  
Steering-linked headlights 690  
CD changer, in-dash 650  
6-speed manual 0  
Multimedia Package   2,150
Lighting Package   1,390
Wind blocker, small   350
Automatic climate control, front   760
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 0  
iPod integration 0  
Navigation system 1,794  
Metallic paint (extra cost) 0 670
Dual-mode exhaust, switchable 0  
Heated front seats 0  
Satellite radio 0  
Floor mats 119  
Audio controls on steering wheel 0  
Bluetooth cell phone link 0  
Obstacle detection, rear 451 902
Illuminated door sill trim plates 0 791
Carbon fiber trim 757 2,093
Voice control for nav and audio 0  
Traffic information 0  
Steering-linked headlights 0  
CD changer, in-dash 553  
6-speed manual 0  
Multimedia Package   2,000
Lighting Package   1,293
Wind blocker, small   326
Automatic climate control, front   707
Options (change) 16,075 9,440
Options (change) 6,271 8,782
Destination 950 925
Total Price $116,825 $79,290

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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 Porsche 911 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche 911 vs. Mercedes-Benz SLK

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche 911 Carrera S
TrueDelta Adjusted Price Difference: $42,290
TrueDelta Adjusted Invoice Difference: $62,160
Model Year20102014
Model911SLK
TrimCarrera SSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine385hp H6415hp V8
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/25 MPG19/28 MPG
Audio (watts, speakers)235, 9500, 11
Tire (rear if not all the same)235/35-19235/40-18
Total Price$116,825$79,290
Adjustments for Features0-4,755
Feature-Adjusted Total Price$116,825$74,535

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Features Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20102014
Model911SLK
TrimCarrera SSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Parking guidance system - passive $250
Remote app $25
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Wind blocker$300 
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests$500 
Driver drowsiness monitor $150
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Roll bar $200
Side curtain airbags $350
Temporary spare tire $150
Torque vectoring, brake-based $100
Climate Control 
Dual-zone climate control $125
Residual heat $50
Water-repellent front-door glass$15 
Engine / Motor 
Automatic start / stop $150
Rear-engine configuration$0 
Exterior 
Body kit $0
Glass roof panel(s) $300
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Retractable rear spoiler$400 
Infotainment 
App support $0
Bluetooth audio streaming $25
DVD-Audio-compatible player$0 
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Off-road navigation system$0 
SD Card slot $25
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar, with navigation $225
Traffic + travel information $25
Traffic information$25 
USB port $25
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Compass $0
Fog lights$125 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Folding second row seats$300 
Memory system, passenger seat $150
Neck-level heating, front seats $150
No leather in second row $-300
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$7,240$11,995
Value of Feature Adjustments$0$4,755
Value of Feature Adjustments0-4,426

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20102014
Model911SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase92.5 in95.7 in
Length175.6 in162.8 in
Width71.2 in71.5 in
Height51.6 in51.2 in
Curb Weight3,319 lb.3,583 lb.
Fuel Capacity16.9 gal.15.9 gal.
Row 1 Headroom38.0 in38.0 in
Row 1 Shoulder Room51.7 in52.2 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in42.5 in
Row 2 Headroom31.5 in0.0 in
Cargo Volume,
Minimum
4.4 ft36.4 ft3
Cargo Volume,
Maximum
4.410.1 ft3

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Option Package Details
Porsche 911 Carrera S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested110073%
Total Not Requested40027%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125No
Total Requested20062%
Total Not Requested12538%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Parking guidance system - passive250No
Total Requested25038%
Total Not Requested40062%
Multimedia Package
FeatureValueRequested?
CD changer, in-dash200Yes
DVD-compatible player0No
Media drive, large15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested94084%
Total Not Requested17516%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Total Requested70078%
Total Not Requested20022%

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