Mercedes-Benz SLK Mercedes-Benz SLK 2013 Porsche 911 Porsche 911 2008

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Mercedes-Benz SLK vs. Porsche 911 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. Porsche 911 Invoice Comparison

Lowest Total Price: $78,235

Mercedes-Benz SLK SLK55 AMG   
Difference: $21,540

Lowest Total Invoice: $72,825

Mercedes-Benz SLK SLK55 AMG   
Difference: $14,078

Calculate Payments

  Down Payment Interest Rate Term
Model Year2013200820082008
ModelSLK911911911
TrimSLK55 AMGCarreraCarrera STurbo
Body2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible
Base Price $67,990 $83,800 $94,100 $136,500
Base Invoice $63,231 $73,192 $82,209 $119,331
Lighting Package 1,290      
Multimedia Package 2,150      
Wind blocker, small 350      
Metallic paint (extra cost) 720 690 690  
Automatic climate control, front 760      
Illuminated door sill trim plates 850 725 725 725
Carbon fiber trim 2,250 890 890 890
Obstacle detection, rear 970 530 530 530
Adaptive Sports Seats   3,055 3,055  
Auto-dimming rearview mirror   385 385  
Xenon HID headlights   1,090    
Floor mats   140 140 140
Bluetooth cell phone link   960 960 960
Navigation system   2,110 2,110  
Heated front seats   500 500 500
Audio controls on steering wheel   990 990  
Dual-mode exhaust, switchable   2,400 2,400  
CD changer, remote   650 650 650
Wood/leather-wrapped steering wheel       620
Lighting Package 1,200      
Multimedia Package 2,000      
Wind blocker, small 326      
Metallic paint (extra cost) 670 587 587  
Automatic climate control, front 707      
Illuminated door sill trim plates 791 616 616 616
Carbon fiber trim 2,093 757 757 757
Obstacle detection, rear 902 451 451 451
Adaptive Sports Seats   2,597 2,597  
Auto-dimming rearview mirror   327 327  
Xenon HID headlights   927    
Floor mats   119 119 119
Bluetooth cell phone link   816 816 816
Navigation system   1,794 1,794  
Heated front seats   425 425 425
Audio controls on steering wheel   842 842  
Dual-mode exhaust, switchable   2,040 2,040  
CD changer, remote   553 553 553
Wood/leather-wrapped steering wheel       527
Options (change) 9,340 15,115 14,025 5,015
Options (change) 8,689 12,851 11,924 4,264
Destination 905 860 860 860
Total Price $78,235 $99,775 $108,985 $142,375
Total Invoice $72,825 $86,903 $94,993 $124,455

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

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $27,435
TrueDelta Adjusted Invoice Difference: $19,565
Model Year2013200820082008
ModelSLK911911911
TrimSLK55 AMGCarreraCarrera STurbo
Body2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible
Engine415hp V8325hp H6355hp H6480hp H6
TransmissionT7M6M6M6
DrivetrainRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)500, 11235, 9235, 9325, 13
Tire (rear if not all the same)235/40-18235/40-18235/35-19235/35-19
Total Price$78,235$99,775$108,985$142,375
Adjustments for Features-5,8950-625-2,850
Feature-Adjusted Total Price$72,340$99,775$108,360$139,525
Cost Above Minimum$0$0$8,585$39,750
Total Invoice$72,825$86,903$94,993$124,455
Adjustments for Features-5,4870-545-2,491
Feature-Adjusted Total Invoice$67,338$86,903$94,448$121,964
Cost Above Minimum$0$0$7,545$35,061

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Features Comparison: Mercedes-Benz SLK vs. Porsche 911

Model Year2013200820082008
ModelSLK911911911
TrimSLK55 AMGCarreraCarrera STurbo
Body2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200   
6-speed manual $150$150$150
RWD$0$0$0 
AWD   $1700
Accessories 
Parking guidance system - passive$250   
Remote app$25   
Tilt/telescoping steering wheel, manual $250$250$250
Tilt/telescoping steering wheel, power$350   
Wind blocker $300$300$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$500$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$15$15
Drivetrain 
Limited-slip rear differential   $300
Engine / Motor 
Automatic start / stop$150   
Dual-mode exhaust, switchable$500$500$500 
Rear-engine configuration $0$0$0
Exterior 
Body kit$0   
Larger rear spoiler   $200
Power convertible top $4000$4000$4000
Power retractable hardtop$6750   
Rear spoiler$200   
Retractable rear spoiler $400$400 
Infotainment 
App support$0   
Aux input$50   
Bluetooth audio streaming$25   
CD changer, in-dash$325   
CD changer, remote $200$200$200
CD player $125$125$125
DVD-Audio-compatible player   $0
DVD-compatible player$0   
HD radio$50   
In-vehicle Internet$150   
Media drive$15   
Off-road navigation system $0$0$0
Satellite radio$200   
SD Card slot$25   
SMS text-to-speech reader$25   
Surround sound$250  $250
Telematics service, such as OnStar, with navigation$225   
Traffic + travel information$25   
USB port$25   
Voice control for nav and audio$100   
Instruments, Lights, and Mirrors 
Analog clock$25   
Auto-dimming headlights$200   
Boost gauge   $75
Compass$0   
Fog light, rear$100   
Fog lights  $125$125
Illuminated visor mirror, driver $50$50$50
Illuminated visor mirror, passenger $50$50$50
Mirror tilt-down in reverse$25   
Power-folding mirrors$50   
Steering-linked headlights$150   
Turn signals on or near mirrors$25   
Visor mirror, driver$10   
Visor mirror, passenger$10   
Seats and Interior Trim 
Folding second row seats $300$300$300
Leather-wrapped steering wheel$150$150$150 
Memory system, passenger seat$150   
Neck-level heating, front seats$150   
No leather in second row$-300   
Power seatback bolsters, driver seat $100$100 
Power seatback bolsters, passenger seat $100$100 
Power thigh bolsters, driver seat $100$100 
Power thigh bolsters, passenger seat $100$100 
Synthetic suede inserts in leather seating surfaces$0   
Upholstered instrument panel, leather   $1000
Wood/leather-wrapped steering wheel   $150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical  $500$500
Sport suspension (upgrade)$0   
Transmission 
Steering-wheel-mounted transmission controls$100   
Total Value of Features$13,285$7,390$8,015$10,240
Value of Feature Adjustments$5,895$0$625$2,850
Value of Feature Adjustments-5,4870-545-2,491

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche 911

Model Year20132008
ModelSLK911
Body2dr Hardtop conv.2dr Convertible
Wheelbase95.7 in92.5 in
Length162.8 in175.6 in
Width71.5 in71.2 in
Height51.2 in51.6 in
Curb Weight3,242 lb.3,242 lb.
Fuel Capacity15.9 gal.17.0 gal.
Row 1 Headroom38.0 in38.0 in
Row 1 Shoulder Room52.2 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.5 in41.6 in
Row 2 Headroom0.0 in31.5 in
Cargo Volume,
Minimum
6.4 ft34.8 ft3
Cargo Volume,
Maximum
10.1 ft34.8 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Total Requested55061%
Total Not Requested35039%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
CD changer, in-dash200Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Total Requested80072%
Total Not Requested31528%

Option Package Details
Porsche 911 Carrera

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
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 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
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
Total Requested110073%
Total Not Requested40027%

Option Package Details
Porsche 911 Carrera S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
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 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
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
Total Requested110073%
Total Not Requested40027%

Option Package Details
Porsche 911 Turbo

Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%

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