Porsche 911 Porsche 911 2008 Mercedes-Benz SLK Mercedes-Benz SLK 2010

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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: $57,705

Mercedes-Benz SLK SLK300   
Difference: $39,140

Lowest Total Invoice: $53,727

Mercedes-Benz SLK SLK300   
Difference: $30,685

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082008201020102010
Model911911911SLKSLKSLK
TrimCarreraCarrera STurboSLK300SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $83,800 $94,100 $136,500 $46,900 $51,900 $66,650
Base Invoice $73,192 $82,209 $119,331 $43,617 $48,267 $61,985
Xenon HID headlights 1,090          
Adaptive Sports Seats 3,055 3,055        
Auto-dimming rearview mirror 385 385        
Metallic paint (extra cost) 690 690   720 720 720
Audio controls on steering wheel 990 990        
Floor mats 140 140 140      
Bluetooth cell phone link 960 960 960      
Wood trim 890 890 890 650 650  
Illuminated door sill trim plates 725 725 725 750 750  
Navigation system 2,110 2,110        
Heated front seats 500 500 500      
CD changer, remote 650 650 650      
Wood/leather-wrapped steering wheel     620      
Lighting Package       1,050 1,050 1,050
Multimedia Package       2,850 2,850 2,850
Premium 1 Package       2,550 2,550  
Automatic climate control, front       750 750 750
Upgraded leather upholstery       610 610  
Xenon HID headlights 927          
Adaptive Sports Seats 2,597 2,597        
Auto-dimming rearview mirror 327 327        
Metallic paint (extra cost) 587 587   670 670 670
Audio controls on steering wheel 842 842        
Floor mats 119 119 119      
Bluetooth cell phone link 816 816 816      
Wood trim 757 757 757 604 604  
Illuminated door sill trim plates 616 616 616 698 698  
Navigation system 1,794 1,794        
Heated front seats 425 425 425      
CD changer, remote 553 553 553      
Wood/leather-wrapped steering wheel     527      
Lighting Package       976 976 976
Multimedia Package       2,650 2,650 2,650
Premium 1 Package       2,372 2,372  
Automatic climate control, front       698 698 698
Upgraded leather upholstery       567 567  
Options (change) 12,185 11,095 4,485 9,930 9,930 5,370
Options (change) 10,360 9,433 3,813 9,235 9,235 4,994
Destination 860 860 860 875 875 875
Gas Tax 0 0 0 0 0 1,000
Total Price $96,845 $106,055 $141,845 $57,705 $62,705 $73,895
Total Invoice $84,412 $92,502 $124,004 $53,727 $58,377 $68,854

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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 and Invoice: Mercedes-Benz SLK SLK300
TrueDelta Adjusted Price Difference: $41,335
TrueDelta Adjusted Invoice Difference: $32,729
Model Year200820082008201020102010
Model911911911SLKSLKSLK
TrimCarreraCarrera STurboSLK300SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine325hp H6355hp H6480hp H6228hp V6300hp V6355hp V8
TransmissionM6M6M6M6T7T7
DrivetrainRWDRWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)235, 9235, 9325, 13?, 9?, 9?, 9
Tire (rear if not all the same)235/40-18235/35-19235/35-19225/45-17225/45-17225/40-18
Total Price$96,845$106,055$141,845$57,705$62,705$73,895
Adjustments for Features0-625-3,350-2,195-3,245-3,445
Feature-Adjusted Total Price$96,845$105,430$138,495$55,510$59,460$70,450
Cost Above Minimum$0$8,585$41,650$0$3,950$14,940
Total Invoice$84,412$92,502$124,004$53,727$58,377$68,854
Adjustments for Features0-545-2,929-2,044-3,021-3,210
Feature-Adjusted Total Invoice$84,412$91,957$121,075$51,683$55,356$65,644
Cost Above Minimum$0$7,545$36,663$0$3,673$13,961

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Features Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year200820082008201020102010
Model911911911SLKSLKSLK
TrimCarreraCarrera STurboSLK300SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150$150$150$150  
7-speed manually-shiftable automatic    $1200$1200
RWD$0$0 $0$0$0
AWD  $1700   
Accessories 
Tilt/telescoping steering wheel, manual$250$250$250   
Tilt/telescoping steering wheel, power   $350$350$350
Wind blocker$300$300$300   
Wind blocker, small   $100$100$100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500$500   
Knee airbag, driver   $75$75$75
Knee airbag, passenger   $75$75$75
Temporary spare tire   $150$150$150
Climate Control 
Dual-zone climate control   $125$125$125
Residual heat   $50$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 
Body kit     $0
Larger rear spoiler  $200   
Power convertible top$4000$4000$4000   
Power retractable hardtop   $6750$6750$6750
Rear spoiler     $200
Retractable rear spoiler$400$400    
Infotainment 
Aux input   $50$50$50
CD changer, in-dash   $325$325$325
CD changer, remote$200$200$200   
CD player$125$125$125   
DVD-Audio-compatible player  $0   
DVD-compatible player   $0$0$0
HD radio   $50$50$50
iPod integration   $100$100$100
Media drive   $15$15$15
Off-road navigation system$0$0$0   
Satellite radio   $200$200$200
SD Card slot   $25$25$25
Surround sound  $250   
Telematics service, such as OnStar   $200$200$200
Traffic information   $25$25$25
Voice control for nav and audio   $100$100$100
Instruments, Lights, and Mirrors 
Analog clock   $25$25$25
Boost gauge  $75   
Cornering lights   $50$50$50
Fog light, rear   $100$100$100
Fog lights $125$125$125$125$125
Illuminated visor mirror, driver$50$50$50   
Illuminated visor mirror, passenger$50$50$50   
Mirror tilt-down in reverse   $25$25$25
Turn signals on or near mirrors   $25$25$25
Visor mirror, driver   $10$10$10
Visor mirror, passenger   $10$10$10
Seats and Interior Trim 
Aluminum trim     $100
Door sill trim plates     $100
Folding second row seats$300$300$300   
Heated front seats$200$200$200  $200
Illuminated door sill trim plates$200$200$200$200$200 
Leather-wrapped steering wheel$150$150   $150
Memory system, passenger seat   $150$150$150
No leather in second row   $-300$-300$-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 trim$300$300$300$300$300 
Wood/leather-wrapped steering wheel  $150$150$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$7,590$8,215$10,940$9,785$10,835$11,035
Value of Feature Adjustments$0$625$3,350$2,195$3,245$3,445
Value of Feature Adjustments0-545-2,929-2,044-3,021-3,210

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20082010
Model911SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase92.5 in95.7 in
Length175.6 in160.7 in
Width71.2 in70.4 in
Height51.6 in51.0 in
Curb Weight3,242 lb.3,210 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.0 in37.9 in
Row 1 Shoulder Room51.7 in52.2 in
Row 1 Hip Room53.4 in54.6 in
Row 1 Legroom41.6 in42.5 in
Row 2 Headroom31.5 in0.0 in
Cargo Volume,
Minimum
4.8 ft36.5 ft3
Cargo Volume,
Maximum
4.89.8 ft3

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Option Package Details
Porsche 911 Carrera

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 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
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Total Requested110073%
Total Not Requested40027%

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 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
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Total Requested110073%
Total Not Requested40027%

Option Package Details
Mercedes-Benz SLK SLK300

Wood trim
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200No
DVD-compatible player0No
Voice control for nav and audio100No
Traffic information25No
HD radio50No
Media drive, large15No
SD Card slot25No
Total Requested60059%
Total Not Requested41541%
Premium 1 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 seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15Yes
Mirror tilt-down in reverse25No
Interior ambient lighting150Yes
iPod integration100No
Total Requested176582%
Total Not Requested37518%

Option Package Details
Mercedes-Benz SLK SLK350

Wood trim
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200No
DVD-compatible player0No
Voice control for nav and audio100No
Traffic information25No
HD radio50No
Media drive, large15No
SD Card slot25No
Total Requested60059%
Total Not Requested41541%
Premium 1 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 seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15Yes
Mirror tilt-down in reverse25No
Interior ambient lighting150Yes
iPod integration100No
Total Requested176582%
Total Not Requested37518%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200No
DVD-compatible player0No
Voice control for nav and audio100No
Traffic information25No
HD radio50No
Media drive, large15No
SD Card slot25No
Total Requested60059%
Total Not Requested41541%

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