Porsche 911 Porsche 911 2008 Mercedes-Benz SLK Mercedes-Benz SLK 2011

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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: $58,575

Mercedes-Benz SLK SLK300   
Difference: $36,635

Lowest Total Invoice: $54,537

Mercedes-Benz SLK SLK300   
Difference: $28,485

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008200820112011
Model911911911SLKSLK
TrimCarreraCarrera STurboSLK300SLK350
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $83,800 $94,100 $136,500 $47,650 $53,300
Base Invoice $73,192 $82,209 $119,331 $44,314 $49,569
Xenon HID headlights 1,090        
Power front seats 1,550 1,550      
Auto-dimming rearview mirror 385 385      
Metallic paint (extra cost) 690 690   720 720
Bluetooth cell phone link 960 960 960    
Floor mats 140 140 140    
Wood trim 890 890 890 690 690
Illuminated door sill trim plates 725 725 725 700 700
Navigation system 2,110 2,110      
Wood/leather-wrapped steering wheel 1,360 1,360 620    
CD changer, remote 650 650 650    
Lighting Package       1,070 1,070
Multimedia Package       2,890 2,890
Premium 1 Package       2,590 2,590
Upgraded leather upholstery       630 630
Automatic climate control, front       760 760
Xenon HID headlights 927        
Power front seats 1,318 1,318      
Auto-dimming rearview mirror 327 327      
Metallic paint (extra cost) 587 587   670 670
Bluetooth cell phone link 816 816 816    
Floor mats 119 119 119    
Wood trim 757 757 757 642 642
Illuminated door sill trim plates 616 616 616 651 651
Navigation system 1,794 1,794      
Wood/leather-wrapped steering wheel 1,156 1,156 527    
CD changer, remote 553 553 553    
Lighting Package       995 995
Multimedia Package       2,688 2,688
Premium 1 Package       2,409 2,409
Upgraded leather upholstery       586 586
Automatic climate control, front       707 707
Options (change) 10,550 9,460 3,985 10,050 10,050
Options (change) 8,970 8,043 3,388 9,348 9,348
Destination 860 860 860 875 875
Total Price $95,210 $104,420 $141,345 $58,575 $64,225
Total Invoice $83,022 $91,112 $123,579 $54,537 $59,792

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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: $39,630
TrueDelta Adjusted Invoice Difference: $31,274
Model Year20082008200820112011
Model911911911SLKSLK
TrimCarreraCarrera STurboSLK300SLK350
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine325hp H6355hp H6480hp H6228hp V6300hp V6
TransmissionM6M6M6M6T7
DrivetrainRWDRWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)235, 9235, 9325, 13?, 9?, 9
Tire (rear if not all the same)235/40-18235/35-19235/35-19225/45-17225/40-18
Total Price$95,210$104,420$141,345$58,575$64,225
Adjustments for Features0-625-3,750-2,995-4,045
Feature-Adjusted Total Price$95,210$103,795$137,595$55,580$60,180
Cost Above Minimum$0$8,585$42,385$0$4,600
Total Invoice$83,022$91,112$123,579$54,537$59,792
Adjustments for Features0-545-3,279-2,789-3,766
Feature-Adjusted Total Invoice$83,022$90,567$120,300$51,748$56,026
Cost Above Minimum$0$7,545$37,278$0$4,278

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Features Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20082008200820112011
Model911911911SLKSLK
TrimCarreraCarrera STurboSLK300SLK350
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 
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 
Auto-raising roll bars / headrests$500$500$500  
Knee airbag, driver   $75$75
Knee airbag, passenger   $75$75
Temporary spare tire   $150$150
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 
Body kit   $0$0
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 
Aux input   $50$50
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
iPod integration   $100$100
Media drive   $15$15
Off-road navigation system$0$0$0  
Satellite radio   $200$200
SD Card slot   $25$25
Surround sound  $250  
Telematics service, such as OnStar   $200$200
Traffic information   $25$25
Voice control for nav and audio   $100$100
Instruments, Lights, and Mirrors 
Analog clock   $25$25
Boost gauge  $75  
Cornering lights   $50$50
Fog light, rear   $100$100
Fog lights $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
Turn signals on or near mirrors   $25$25
Visor mirror, driver   $10$10
Visor mirror, passenger   $10$10
Seats and Interior Trim 
Folding second row seats$300$300$300  
Memory system, passenger seat   $150$150
No leather in second row   $-300$-300
Upholstered instrument panel, leather  $1000  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500  
Total Value of Features$6,340$6,965$10,090$9,335$10,385
Value of Feature Adjustments$0$625$3,750$2,995$4,045
Value of Feature Adjustments0-545-3,279-2,789-3,766

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20082011
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

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 SLK300

Wood trim
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel150Yes
Total Requested450100%
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 wheel150Yes
Total Requested450100%
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%

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