Porsche 911 Porsche 911 2015 Mercedes-Benz SLK Mercedes-Benz SLK 2009

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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: $56,925

Mercedes-Benz SLK SLK300   
Difference: $50,235

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015201520152015200920092009
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK300SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $96,200 $110,800 $126,100 $163,000 $194,600 $45,950 $50,950 $65,700
Premium Package Plus 4,650 4,650 4,470          
Bose 555W 12 speakers 2,120 2,120 2,120          
Illuminated carbon fiber door sill trim plates 1,275 1,275 1,275 1,275 1,275      
Voice control for nav and audio 595 595 595 595 595      
Audio controls on steering wheel 615 615 165 0 0      
Metallic paint (extra cost) 710 710 710     720 720 720
CD changer, in-dash       750 750      
Interior ambient lighting       510 510      
Wood trim         0      
Lighting Package           1,030 1,030 1,030
Multimedia Package           2,980 2,980 2,980
Heating Package           990 990  
Premium I Package           2,950 2,950  
Automatic climate control, front           730 730 730
Illuminated door sill trim plates           700 700  
Premium Package Plus 0 0 0          
Bose 555W 12 speakers 0 0 0          
Illuminated carbon fiber door sill trim plates 0 0 0 0 0      
Voice control for nav and audio 0 0 0 0 0      
Audio controls on steering wheel 0 0 0 0 0      
Metallic paint (extra cost) 0 0 0     670 670 670
CD changer, in-dash       0 0      
Interior ambient lighting       0 0      
Wood trim         0      
Lighting Package           958 958 958
Multimedia Package           2,771 2,771 2,771
Heating Package           921 921  
Premium I Package           2,744 2,744  
Automatic climate control, front           679 679 679
Illuminated door sill trim plates           651 651  
Options (change) 9,965 9,965 9,335 3,130 3,130 10,100 10,100 5,460
Options (change) 0 0 0 0 0 9,394 9,394 5,078
Destination 995 995 995 995 995 875 875 875
Gas Tax 0 0 0 0 0 0 0 1,000
Total Price $107,160 $121,760 $136,430 $167,125 $198,725 $56,925 $61,925 $73,035

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

Lowest Adjusted Price: Mercedes-Benz SLK SLK300
Lowest Adjusted Invoice: Porsche 911 Turbo S
TrueDelta Adjusted Price Difference: $50,190
TrueDelta Adjusted Invoice Difference: $52,076
Model Year20152015201520152015200920092009
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK300SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine350hp H6400hp H6430hp H6520hp H6560hp H6228hp V6300hp V6355hp V8
TransmissionM7M7M7S7S7M6T7T7
DrivetrainRWDRWDRWDAWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)445, 12445, 12445, 12445, 12445, 12380, 11380, 11380, 11
Tire (rear if not all the same)235/40-19245/35-20245/35-20245/35-20245/35-20225/45-17225/45-17225/40-18
Total Price$107,160$121,760$136,430$167,125$198,725$56,925$61,925$73,035
Adjustments for Features-45-945-2,695-6,570-13,6700-1,050-1,200
Feature-Adjusted Total Price$107,115$120,815$133,735$160,555$185,055$56,925$60,875$71,835
Cost Above Minimum$0$13,700$26,620$53,440$77,940$0$3,950$14,910

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Features Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20152015201520152015200920092009
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK300SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed manual$300$300$300     
7-speed automated manual   $1200$1200   
6-speed manual     $150  
7-speed manually-shiftable automatic      $1200$1200
RWD$0$0$0  $0$0$0
AWD   $1700$1700   
Accessories 
Proximity key$250$250$250     
Wind blocker$300$300$300$300$300   
Wind blocker, small     $100$100$100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500$500$500$500   
Ceramic brake rotors    $4000   
Obstacle detection, front    $150   
Obstacle detection, rear$250$250$250$250$250   
Side curtain airbags$350$350$350$350$350   
Temporary spare tire     $150$150$150
Torque vectoring, brake-based $100$100$100$100   
Climate Control 
Automatic air recirculation$100$100$100$100$100   
Water-repellent front-door glass$15$15$15$15$15   
Drivetrain 
Electronically-variable engine mounts (performance-oriented)  $500 $500   
Limited-slip rear differential $300$300$300$300   
Engine / Motor 
Automatic start / stop$150$150$150$150$150   
Dual-mode exhaust, switchable  $500     
Rear-engine configuration$0$0$0$0$0   
Regenerative braking$0$0$0$0$0   
Exterior 
Active front spoiler   $500$500   
Active rear spoiler   $300$300   
Black exterior trim (optional)  $0     
Body kit       $0
Body kit (gray/black)  $0$0$0   
Painted brake calipers (optional) $0$0$0$0   
Power convertible top$4000$4000$4000$4000$4000   
Power retractable hardtop     $6750$6750$6750
Rear spoiler       $200
Retractable rear spoiler$400$400$400     
Tall rear wing-type spoiler   $500$500   
Infotainment 
App support$0$0$0$0$0   
Bluetooth audio streaming$25$25$25$25$25   
DVD-Audio-compatible player$0$0$0$0$0   
DVD-compatible player     $0$0$0
HD radio$50$50$50$50$50   
iPod integration     $100$100$100
Off-road navigation system$0$0$0$0$0   
SD Card slot     $25$25$25
Telematics service, such as OnStar     $200$200$200
Traffic + travel information   $25$25   
Traffic information$25$25$25     
USB port$25$25$25$25$25   
Instruments, Lights, and Mirrors 
Analog clock     $25$25$25
Auto-dimming headlights    $200   
Auto-dimming passenger-side mirror$75$75$75$75$75   
Boost gauge   $75$75   
Chronometer  $100 $100   
Fog lights     $125$125$125
Illuminated visor mirror, driver$50$50$50$50$50   
Illuminated visor mirror, passenger$50$50$50$50$50   
LED headlights    $1000   
Mirror tilt-down in reverse     $25$25$25
Performance meter  $150 $150   
Steering-linked headlights$150$150$150$150$150   
Turn signals on or near mirrors     $25$25$25
Visor mirror, driver     $10$10$10
Visor mirror, passenger     $10$10$10
Xenon HID headlights$500$500$500$500 $500$500$500
Seats and Interior Trim 
Aluminum trim  $100    $100
Cooled or ventilated front seats$300$300      
Door sill trim plates       $100
Folding second row seats w/o opening to trunk$75$75$75$75$75   
Illuminated carbon fiber door sill trim plates$300$300$300$300$300   
Illuminated door sill trim plates     $200$200 
Leather door panel trim$250$250 $250$250$250$250$250
Memory system, passenger seat     $150$150$150
Neck-level heating, front seats     $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   
Power thigh support length adjuster, driver seat$100$100$100$100$100   
Power thigh support length adjuster, passenger seat$100$100$100$100$100   
Synthetic suede door panel trim  $250     
Synthetic suede inserts in leather seating surfaces  $0    $0
Upholstered instrument panel, leather   $1000$1000   
Wood trim    $300   
Suspension, Wheels, and Tires 
Active stabilizer bars    $500   
Adaptive dampers - electrical $500$500$500$500   
Electronic systems calibration selector  $200 $200   
Rear wheel steering   $1500$1500   
Sport suspension (upgrade)       $0
Wheels, dark finish  $0     
Transmission 
Launch control  $100 $100   
Steering-wheel-mounted transmission controls   $100$100  $100
Total Value of Features$8,690$9,590$11,340$15,215$22,315$8,645$9,695$9,845
Value of Feature Adjustments$45$945$2,695$6,570$13,670$0$1,050$1,200
Value of Feature Adjustments0-8-20-39-680-978-1,118

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20152009
Model911SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase96.5 in95.7 in
Length176.8 in160.7 in
Width71.2 in70.4 in
Height51.3 in51.0 in
Curb Weight3,198 lb.3,210 lb.
Fuel Capacity16.9 gal.18.5 gal.
Row 1 Headroom0.0 in37.9 in
Row 1 Shoulder Room0.0 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom0.0 in42.5 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

Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150Yes
Heated front seats200Yes
Steering-linked headlights150No
Headlight washers50Yes
Cornering lights50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested167563%
Total Not Requested97537%

Option Package Details
Porsche 911 Carrera S

Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150Yes
Heated front seats200Yes
Steering-linked headlights150No
Headlight washers50Yes
Cornering lights50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested167563%
Total Not Requested97537%

Option Package Details
Porsche 911 Carrera GTS

Premium Package Plus
FeatureValueRequested?
Proximity key250No
Interior ambient lighting150Yes
Heated front seats200Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested157563%
Total Not Requested92537%

Option Package Details
Mercedes-Benz SLK SLK300

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25No
Total Requested96572%
Total Not Requested37528%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium I Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
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
Satellite radio200Yes
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 integration100Yes
Total Requested216593%
Total Not Requested1757%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25No
Total Requested96572%
Total Not Requested37528%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium I Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
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
Satellite radio200Yes
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 integration100Yes
Total Requested216593%
Total Not Requested1757%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25No
Total Requested96572%
Total Not Requested37528%

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