Porsche 911 Porsche 911 2012 Mercedes-Benz SLK Mercedes-Benz SLK 2007

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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: $53,720

Mercedes-Benz SLK SLK280   
Difference: $46,315

Calculate Payments

  Down Payment Interest Rate Term
Model Year20122012201220122012200720072007
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $90,100 $103,000 $112,900 $149,000 $172,100 $43,350 $47,400 $62,500
Infotainment Package 3,010 3,010            
Adaptive Sports Seats 3,055 3,055 2,255          
Auto-dimming rearview mirror 420 420 420          
Metallic paint (extra cost) 710 710 710     700 700 700
Audio controls on steering wheel 615 615 365 0 0      
Heated front seats 525 525 525 525 525      
CD changer, in-dash 650 650 650 650        
PCM     2,110          
Satellite radio     750 750 750      
Premium II Package           3,650 3,650 1,400
Heating Package           970 970  
Lighting Package           1,000 1,000 1,000
CD changer, remote           440 440 440
Navigation system           1,200 1,200 1,200
Bluetooth cell phone link           925 925 925
Automatic climate control, front           710 710 710
Infotainment Package 0 0            
Adaptive Sports Seats 2,597 2,597 0          
Auto-dimming rearview mirror 0 0 0          
Metallic paint (extra cost) 0 0 0     650 650 650
Audio controls on steering wheel 0 0 0 0 0      
Heated front seats 0 0 0 0 0      
CD changer, in-dash 0 0 0 0        
PCM     0          
Satellite radio     0 0 0      
Premium II Package           3,394 3,394 1,302
Heating Package           902 902  
Lighting Package           930 930 930
CD changer, remote           409 409 409
Navigation system           1,116 1,116 1,116
Bluetooth cell phone link           860 860 860
Automatic climate control, front           660 660 660
Options (change) 8,985 8,985 7,785 1,925 1,275 9,595 9,595 6,375
Options (change) 2,597 2,597 0 0 0 8,921 8,921 5,927
Destination 950 950 950 950 950 775 775 775
Gas Tax 0 0 0 0 0 0 0 1,300
Total Price $100,035 $112,935 $121,635 $151,875 $174,325 $53,720 $57,770 $70,950

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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: Mercedes-Benz SLK SLK280
Lowest Adjusted Invoice: Porsche 911 Turbo S
TrueDelta Adjusted Price Difference: $47,680
TrueDelta Adjusted Invoice Difference: $47,844
Model Year20122012201220122012200720072007
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine345hp H6385hp H6408hp H6500hp H6530hp H6228hp V6268hp V6355hp V8
TransmissionM6M6M6M6S7M6M6T7
DrivetrainRWDRWDRWDAWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)385, 13385, 13235, 9385, 13385, 13380, 11380, 11380, 11
Tire (rear if not all the same)235/40-18235/35-19235/35-19235/35-19235/35-19205/55-16225/45-17225/40-18
Total Price$100,035$112,935$121,635$151,875$174,325$53,720$57,770$70,950
Adjustments for Features0-500-725-2,950-9,650-1,365-1,365-2,665
Feature-Adjusted Total Price$100,035$112,435$120,910$148,925$164,675$52,355$56,405$68,285
Cost Above Minimum$0$12,400$20,875$48,890$64,640$0$4,050$15,930

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Features Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20122012201220122012200720072007
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150$150$150$150 $150$150 
7-speed automated manual    $1200   
7-speed manually-shiftable automatic       $1200
RWD$0$0$0  $0$0$0
AWD   $1700$1700   
Accessories 
Tilt/telescoping steering wheel, manual$250$250$250$250$250   
Tilt/telescoping steering wheel, power     $350$350$350
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   
Knee airbag, driver     $75$75$75
Knee airbag, passenger     $75$75$75
Tire-pressure monitor$75$75$75$75$75   
Torque vectoring, brake-based    $100   
Climate Control 
Dual-zone climate control     $125$125$125
Residual heat     $50$50$50
Water-repellent front-door glass$15$15$15$15$15   
Drivetrain 
Electronically-variable engine mounts (performance-oriented)    $500   
Limited-slip rear differential   $300$300   
Engine / Motor 
Dual-mode exhaust, switchable  $500     
Rear-engine configuration$0$0$0$0$0   
Exterior 
Body kit  $0    $0
Larger rear spoiler   $200$200   
Power convertible top$4000$4000$4000$4000$4000   
Power retractable hardtop     $6750$6750$6750
Rear spoiler       $200
Retractable rear spoiler$400$400$400     
Infotainment 
CD changer, in-dash$325$325$325$325$325   
CD changer, remote     $200$200$200
CD player     $125$125$125
Media drive$15$15$15$15$15   
MP3-compatible player$50$50$50$50$50   
Off-road navigation system$0$0$0$0$0   
Surround sound$250$250 $250$250$250$250$250
Telematics service, such as OnStar     $200$200$200
Traffic information$25$25      
Instruments, Lights, and Mirrors 
Analog clock     $25$25$25
Auto-dimming passenger-side mirror$75$75$75$75$75   
Boost gauge   $75$75   
Chronometer    $100   
Cornering lights     $50$50$50
Illuminated visor mirror, driver$50$50$50$50$50   
Illuminated visor mirror, passenger$50$50$50$50$50   
Mirror tilt-down in reverse     $25$25$25
Steering-linked headlights    $150   
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
Folding second row seats$300$300$300$300$300   
Memory system, passenger seat     $150$150$150
Neck-level heating, front seats     $150$150 
Power 4-way lumbar adjuster, driver seat$150$150$150$150$150   
Power 4-way lumbar adjuster, passenger seat$150$150$150$150$150   
Power seatback bolsters, driver seat$100$100$100 $100   
Power seatback bolsters, passenger seat$100$100$100 $100   
Power thigh bolsters, driver seat$100$100$100 $100   
Power thigh bolsters, passenger seat$100$100$100 $100   
Synthetic suede inserts in leather seating surfaces  $0    $0
Upholstered instrument panel, leather   $1000$1000   
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500$500$500   
Electronic systems calibration selector    $200   
Sport suspension (upgrade)       $0
Transmission 
Launch control    $100   
Steering-wheel-mounted transmission controls    $100  $100
Total Value of Features$7,530$8,030$8,255$10,480$17,180$8,895$8,895$10,195
Value of Feature Adjustments$0$500$725$2,950$9,650$1,365$1,365$2,665
Value of Feature Adjustments0-16-6-18-53-1,271-1,271-2,484

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20122007
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 Weight3,264 lb.3,210 lb.
Fuel Capacity16.9 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
4.4 ft36.5 ft3
Cargo Volume,
Maximum
4.49.8 ft3

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Option Package Details
Porsche 911 Carrera

Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Traffic information25No
Bose, 385W, 13 speakers (with subwoofer)350No
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Media drive, large15No
USB port25No
Total Requested105072%
Total Not Requested41528%
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 fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
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 seat150No
Total Requested80053%
Total Not Requested70047%

Option Package Details
Porsche 911 Carrera S

Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Traffic information25No
Bose, 385W, 13 speakers (with subwoofer)350No
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Media drive, large15No
USB port25No
Total Requested105072%
Total Not Requested41528%
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 fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
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 seat150No
Total Requested80053%
Total Not Requested70047%

Option Package Details
Porsche 911 Carrera GTS

PCM
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Media drive, large15No
USB port25No
Total Requested60094%
Total Not Requested406%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
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 seat150No
Total Requested70050%
Total Not Requested70050%

Option Package Details
Mercedes-Benz SLK SLK280

Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
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
Tilt/telescoping steering wheel, power100No
Remote window/roof operation15Yes
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25No
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Universal garage door opener100Yes
Total Requested181570%
Total Not Requested77530%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%

Option Package Details
Mercedes-Benz SLK SLK350

Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
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
Tilt/telescoping steering wheel, power100No
Remote window/roof operation15Yes
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25No
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Universal garage door opener100Yes
Total Requested181570%
Total Not Requested77530%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested30046%
Total Not Requested35054%

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