Porsche 911 Porsche 911 2008 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: $57,430

Mercedes-Benz SLK SLK250   
Difference: $40,800

Lowest Total Invoice: $53,478

Mercedes-Benz SLK SLK250   
Difference: $32,112

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008200820142014
Model911911911SLKSLK
TrimCarreraCarrera STurboSLK250SLK350
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $83,800 $94,100 $136,500 $43,525 $56,225
Base Invoice $73,192 $82,209 $119,331 $40,478 $52,289
Power front seats 1,550 1,550      
Auto-dimming rearview mirror 385 385      
Xenon HID headlights 1,090        
Metallic paint (extra cost) 690 690   720 720
Floor mats 140 140 140    
Bluetooth cell phone link 960 960 960    
Obstacle detection, rear 530 530 530 970 970
Wood trim 890 890 890    
Illuminated door sill trim plates 725 725 725 700 700
Wood/leather-wrapped steering wheel 1,360 1,360 620 990 990
Navigation system 2,110 2,110      
Adaptive dampers - electrical 1,990        
Heated front seats 500 500 500    
CD changer, remote 650 650 650    
Multimedia Package       2,150 2,150
Premium 1 Package       2,590 2,590
Lighting Package       1,390 1,390
Dynamic Handling Package       990 990
Special order charge       250 250
Leather seating surfaces       770  
Wind blocker, small       350 350
Rear spoiler       350 350
Automatic climate control, front       760 760
Power front seats 1,318 1,318      
Auto-dimming rearview mirror 327 327      
Xenon HID headlights 927        
Metallic paint (extra cost) 587 587   670 670
Floor mats 119 119 119    
Bluetooth cell phone link 816 816 816    
Obstacle detection, rear 451 451 451 902 902
Wood trim 757 757 757    
Illuminated door sill trim plates 616 616 616 651 651
Wood/leather-wrapped steering wheel 1,156 1,156 527 921 921
Navigation system 1,794 1,794      
Adaptive dampers - electrical 1,692        
Heated front seats 425 425 425    
CD changer, remote 553 553 553    
Multimedia Package       2,000 2,000
Premium 1 Package       2,409 2,409
Lighting Package       1,293 1,293
Dynamic Handling Package       921 921
Special order charge       233 233
Leather seating surfaces       716  
Wind blocker, small       326 326
Rear spoiler       326 326
Automatic climate control, front       707 707
Options (change) 13,570 10,490 5,015 12,980 12,210
Options (change) 11,538 8,919 4,264 12,075 11,359
Destination 860 860 860 925 925
Total Price $98,230 $105,450 $142,375 $57,430 $69,360
Total Invoice $85,590 $91,988 $124,455 $53,478 $64,573

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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: Porsche 911 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK250
TrueDelta Adjusted Price Difference: $46,020
TrueDelta Adjusted Invoice Difference: $36,973
Model Year20082008200820142014
Model911911911SLKSLK
TrimCarreraCarrera STurboSLK250SLK350
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine325hp H6355hp H6480hp H6201hp I4302hp V6
TransmissionM6M6M6M6T7
DrivetrainRWDRWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)235, 9235, 9325, 13500, 11500, 11
Tire (rear if not all the same)235/40-18235/35-19235/35-19225/45-17225/40-18
Total Price$98,230$105,450$142,375$57,430$69,360
Adjustments for Features0-125-3,250-5,220-6,370
Feature-Adjusted Total Price$98,230$105,325$139,125$52,210$62,990
Cost Above Minimum$0$7,095$40,895$0$10,780
Total Invoice$85,590$91,988$124,455$53,478$64,573
Adjustments for Features0-109-2,841-4,861-5,930
Feature-Adjusted Total Invoice$85,590$91,879$121,614$48,617$58,643
Cost Above Minimum$0$6,289$36,024$0$10,026

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Features Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20082008200820142014
Model911911911SLKSLK
TrimCarreraCarrera STurboSLK250SLK350
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150$150$150$150 
7-speed manually-shiftable automatic    $1200
RWD$0$0 $0$0
AWD  $1700  
Accessories 
Parking guidance system - passive   $250$250
Remote app   $25$25
Tilt/telescoping steering wheel, manual$250$250$250  
Tilt/telescoping steering wheel, power   $350$350
Wind blocker$300$300$300  
Wind blocker, small   $100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats   $0$0
Auto-raising roll bars / headrests$500$500$500  
Driver drowsiness monitor   $150$150
Knee airbag, driver   $75$75
Knee airbag, passenger   $75$75
Obstacle detection, front   $150$150
Roll bar   $200$200
Side curtain airbags   $350$350
Temporary spare tire   $150$150
Torque vectoring, brake-based   $100$100
Climate Control 
Dual-zone climate control   $125$125
Residual heat   $50$50
Water-repellent front-door glass$15$15$15  
Drivetrain 
Limited-slip rear differential  $300  
Engine / Motor 
Rear-engine configuration$0$0$0  
Exterior 
Glass roof panel(s)   $300$300
Larger rear spoiler  $200  
Power convertible top$4000$4000$4000  
Power retractable hardtop   $6750$6750
Rear spoiler   $200$200
Retractable rear spoiler$400$400   
Infotainment 
App support   $0$0
Aux input   $50$50
Bluetooth audio streaming   $25$25
CD changer, in-dash   $325$325
CD changer, remote$200$200$200  
CD player$125$125$125  
DVD-Audio-compatible player  $0  
DVD-compatible player   $0$0
HD radio   $50$50
In-vehicle Internet   $150$150
Media drive   $15$15
Off-road navigation system$0$0$0  
Satellite radio   $200$200
SD Card slot   $25$25
SMS text-to-speech reader   $25$25
Surround sound  $250$250$250
Telematics service, such as OnStar, with navigation   $225$225
Traffic + travel information   $25$25
USB port   $25$25
Voice control for nav and audio   $100$100
Instruments, Lights, and Mirrors 
Auto-dimming headlights   $200$200
Boost gauge  $75  
Compass   $0$0
Fog light, rear   $100$100
Fog lights $125$125  
Illuminated visor mirror, driver$50$50$50  
Illuminated visor mirror, passenger$50$50$50  
Interior ambient lighting$150$150$150  
Mirror tilt-down in reverse   $25$25
Power-folding mirrors   $50$50
Steering-linked headlights   $150$150
Turn signals on or near mirrors   $25$25
Visor mirror, driver   $10$10
Visor mirror, passenger   $10$10
Seats and Interior Trim 
Aluminum trim   $100$100
Folding second row seats$300$300$300  
Memory system, passenger seat   $150$150
Neck-level heating, front seats   $150$150
No leather in second row   $-300$-300
Upholstered instrument panel, leather  $1000  
Transmission 
Steering-wheel-mounted transmission controls    $100
Total Value of Features$6,490$6,615$9,740$11,710$12,860
Value of Feature Adjustments$0$125$3,250$5,220$6,370
Value of Feature Adjustments0-109-2,841-4,861-5,930

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20082014
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 Weight3,242 lb.3,242 lb.
Fuel Capacity17.0 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
4.8 ft36.4 ft3
Cargo Volume,
Maximum
4.810.1 ft3

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Option Package Details
Porsche 911 Carrera

Power front seats
FeatureValueRequested?
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 Requested1000100%
Total Not Requested00%

Option Package Details
Porsche 911 Carrera S

Power front seats
FeatureValueRequested?
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 Requested1000100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK250

Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces900Yes
Upholstered door panels, leather250Yes
No leather in second row-300No
Total Requested1150135%
Total Not Requested-300-35%
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%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Wood trim300Yes
Total Requested450100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
CD changer, in-dash200Yes
DVD-compatible player0No
Media drive, large15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation system600Yes
Voice control for nav and audio100No
Total Requested80072%
Total Not Requested31528%
Premium 1 Package
FeatureValueRequested?
Heated front seats200Yes
Satellite radio200No
Surround sound250No
Remote window/roof operation15Yes
Neck-level heating, front seats150No
iPod integration100No
Harman/Kardon, 500W, 11 speakers (with subwoofer)350No
Total Requested21517%
Total Not Requested105083%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Total Requested55061%
Total Not Requested35039%
Dynamic Handling Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Torque vectoring / active trace control100No
Total Requested50083%
Total Not Requested10017%

Option Package Details
Mercedes-Benz SLK SLK350

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%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Wood trim300Yes
Total Requested450100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
CD changer, in-dash200Yes
DVD-compatible player0No
Media drive, large15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation system600Yes
Voice control for nav and audio100No
Total Requested80072%
Total Not Requested31528%
Premium 1 Package
FeatureValueRequested?
Heated front seats200Yes
Satellite radio200No
Surround sound250No
Remote window/roof operation15Yes
Neck-level heating, front seats150No
iPod integration100No
Harman/Kardon, 500W, 11 speakers (with subwoofer)350No
Total Requested21517%
Total Not Requested105083%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Total Requested55061%
Total Not Requested35039%
Dynamic Handling Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Torque vectoring / active trace control100No
Total Requested50083%
Total Not Requested10017%

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