Porsche 911 Porsche 911 2017 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: $53,280

Mercedes-Benz SLK SLK280   
Difference: $57,580

Lowest Total Invoice: $49,603

Mercedes-Benz SLK SLK280   
Difference: $49,873

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172017201720172017200720072007
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $101,700 $115,700 $131,300 $171,500 $200,400 $43,350 $47,400 $62,500
Base Invoice $91,530 $104,130 $118,170 $154,350 $180,360 $40,316 $44,082 $58,125
Heated steering wheel 470 470   0 0      
Adaptive sport seats plus 3,825 3,825   1,145        
Auto-dimming mirrors 420 420            
Metallic paint (extra cost) 710 710 710     700 700 700
Heated front seats 690 690            
Body kit 750 750 750 750 750      
Synthetic suede inserts in leather seating surfaces 435 435   435 435      
Aluminum trim 810 810   965        
Carbon fiber / leather-wrapped steering wheel     470          
Premium Package     3,345          
Wood trim         0      
Premium II Package           3,650 3,650 1,400
Heating Package           970 970  
Lighting Package           1,000 1,000 1,000
Navigation system           1,200 1,200 1,200
Bluetooth cell phone link           925 925 925
Automatic climate control, front           710 710 710
Heated steering wheel 400 400   0 0      
Adaptive sport seats plus 3,251 3,251   973        
Auto-dimming mirrors 357 357            
Metallic paint (extra cost) 604 604 604     650 650 650
Heated front seats 587 587            
Body kit 638 638 638 638 638      
Synthetic suede inserts in leather seating surfaces 370 370   370 370      
Aluminum trim 689 689   820        
Carbon fiber / leather-wrapped steering wheel     400          
Premium Package     2,843          
Wood trim         0      
Premium II Package           3,394 3,394 1,302
Heating Package           902 902  
Lighting Package           930 930 930
Navigation system           1,116 1,116 1,116
Bluetooth cell phone link           860 860 860
Automatic climate control, front           660 660 660
Options (change) 8,110 8,110 5,275 3,295 1,185 9,155 9,155 5,935
Options (change) 6,896 6,896 4,485 2,801 1,008 8,512 8,512 5,518
Destination 1,050 1,050 1,050 1,050 1,050 775 775 775
Gas Tax 0 0 0 0 0 0 0 1,300
Total Price $110,860 $124,860 $137,625 $175,845 $202,635 $53,280 $57,330 $70,510
Total Invoice $99,476 $112,076 $123,705 $158,201 $182,418 $49,603 $53,369 $65,718

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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 SLK280
TrueDelta Adjusted Price Difference: $55,720
TrueDelta Adjusted Invoice Difference: $48,204
Model Year20172017201720172017200720072007
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine370hp H6420hp H6450hp H6540hp H6580hp H6228hp V6268hp V6355hp V8
TransmissionM7M7M7S7S7M6M6T7
DrivetrainRWDRWDRWDAWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8?, 8?, 8555, 12555, 12380, 11380, 11380, 11
Tire (rear if not all the same)235/40-19245/35-20245/35-20245/35-20245/35-20205/55-16225/45-17225/40-18
Total Price$110,860$124,860$137,625$175,845$202,635$53,280$57,330$70,510
Adjustments for Features-1,860-2,260-4,460-10,010-14,91000-1,300
Feature-Adjusted Total Price$109,000$122,600$133,165$165,835$187,725$53,280$57,330$69,210
Cost Above Minimum$0$13,600$24,165$56,835$78,725$0$4,050$15,930
Total Invoice$99,476$112,076$123,705$158,201$182,418$49,603$53,369$65,718
Adjustments for Features-1,669-2,029-4,009-9,006-13,42200-1,212
Feature-Adjusted Total Invoice$97,807$110,047$119,696$149,195$168,996$49,603$53,369$64,506
Cost Above Minimum$0$12,240$21,889$51,388$71,189$0$3,766$14,903

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Features Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20172017201720172017200720072007
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK280SLK350SLK55 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$150 
7-speed manually-shiftable automatic       $1200
RWD$0$0$0  $0$0$0
AWD   $1700$1700   
Accessories 
Heated steering wheel$100$100$100$100$100   
Remote app$25$25$25$25$25   
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$150$150$150$150   
Obstacle detection, rear$250$250$250$250$250   
Rearview camera$200$200$200$200$200   
Secondary collision brake assist$25$25$25$25$25   
Side curtain airbags$350$350$350$350$350   
Tire-pressure monitor$75$75$75$75$75   
Torque vectoring, brake-based $100$100$100$100   
Climate Control 
Water-repellent front-door glass$15$15$15$15$15   
Drivetrain 
Electronically-variable engine mounts (performance-oriented)  $500$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 grille shutters$0$0$0$0$0   
Active rear spoiler$300$300$300$300$300   
Black exterior trim (optional)  $0     
Body kit$0$0$0$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 
4G LTE connectivity$0$0$0$0$0   
App support$0$0$0$0$0   
Apple CarPlay support$100$100$100$100$100   
Bluetooth audio streaming$25$25$25$25$25   
Handwriting recognition$200$200$200$200$200   
HD radio$50$50$50$50$50   
In-vehicle Internet$150$150$150$150$150   
Media drive$15$15$15$15$15   
MP3-compatible player$50$50$50$50$50   
Navigation map updates, three years$0$0$0$0$0   
Off-road navigation system$0$0$0$0$0   
Surround sound   $250$250$250$250$250
Traffic information$25$25$25$25$25   
Voice control for nav and audio$100$100$100$100$100   
Wi-Fi hotspot$50$50$50$50$50   
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$75$75$75   
Chronometer  $100$100$100   
Cornering lights  $50$50$50$50$50$50
Fog lights     $125$125$125
Headlight washers  $50$50$50$50$50$50
Illuminated visor mirror, driver$50$50$50$50$50   
Illuminated visor mirror, passenger$50$50$50$50$50   
LED headlights   $1000$1000   
Mirror tilt-down in reverse     $25$25$25
Performance data recording app  $200     
Performance meter  $150$150$150   
Steering-linked headlights  $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
Seats and Interior Trim 
Aluminum trim$100$100$100$100   $100
Carbon fiber / leather-wrapped steering wheel  $150     
Folding second row seats w/o opening to trunk$75$75$75$75$75   
Leather-wrapped steering wheel$150$150 $150$150$150$150$150
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$100   
Power seatback bolsters, passenger seat$100$100$100$100$100   
Power thigh bolsters, driver seat$100$100$100$100$100   
Power thigh bolsters, passenger seat$100$100$100$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$0$0$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$500   
Alloy wheels$350$350$350 $350$350$350$350
Electronic systems calibration selector  $200$200$200   
Polished alloy wheels   $350    
Rear wheel steering   $1500$1500   
Sport suspension (upgrade)       $0
Transmission 
Downshift rev matching  $50     
Steering-wheel-mounted transmission controls   $100$100  $100
Total Value of Features$10,730$11,130$13,330$18,880$23,780$8,870$8,870$10,170
Value of Feature Adjustments$1,860$2,260$4,460$10,010$14,910$0$0$1,300
Value of Feature Adjustments-1,669-2,029-4,009-9,006-13,42200-1,212

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20172007
Model911SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase96.5 in95.7 in
Length177.1 in160.7 in
Width71.2 in70.4 in
Height50.7 in51.0 in
Curb Weight3,308 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
5.1 ft36.5 ft3
Cargo Volume,
Maximum
10.8 ft39.8 ft3

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Option Package Details
Porsche 911 Carrera

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support length adjuster, passenger seat100No
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Total Requested80047%
Total Not Requested90053%
Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%

Option Package Details
Porsche 911 Carrera S

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support length adjuster, passenger seat100No
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Total Requested80047%
Total Not Requested90053%
Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%

Option Package Details
Porsche 911 Carrera GTS

Premium Package
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Heated front seats200Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support length adjuster, passenger seat100No
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested112554%
Total Not Requested97546%

Option Package Details
Porsche 911 Turbo

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Total Requested10020%
Total Not Requested40080%

Option Package Details
Mercedes-Benz SLK SLK280

Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
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
Tilt/telescoping steering wheel, power100Yes
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
Total Requested191574%
Total Not Requested67526%
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 lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK350

Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
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
Tilt/telescoping steering wheel, power100Yes
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
Total Requested191574%
Total Not Requested67526%
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 lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
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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