Porsche 911 Porsche 911 2017 Mercedes-Benz SL Mercedes-Benz SL 2018

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Porsche 911 vs. Mercedes-Benz SL 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 SL Invoice Comparison

Lowest Total Price: $138,460

Porsche 911 Carrera   
Difference: $29,235

Calculate Payments

  Down Payment Interest Rate Term
Model Year2017201720172017201720182018
Model911911911911911SLSL
TrimCarreraCarrera SCarrera GTSTurboTurbo SAMG SL63AMG SL65
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $101,700 $115,700 $131,300 $171,500 $200,400 $152,850 $222,000
Adaptive sport seats plus 3,825 3,825          
Torque vectoring, brake-based 1,320            
Adaptive cruise control, all-speed 2,490 2,490 2,490 2,490 2,490    
Premium Package Plus 3,970 3,970 4,570        
Illuminated carbon fiber door sill trim plates 1,275 1,275 1,275 1,275 1,275    
Ceramic brake rotors 8,520 8,520 8,520 9,210   8,950 8,950
245/35ZR20 1,580            
Wheels, dark finish 1,210 1,210 0 1,635 1,635 2,200 2,200
Color seat belts 540 540 540 540 540 300 300
Blind spot warning system 850 850 850 850 850    
Wood/leather-wrapped steering wheel 990 990   370 370 650 650
Upholstered instrument panel, leather 3,490 3,490 3,850        
Dual-mode exhaust, switchable 2,950 2,950          
Wood trim 1,990 1,990   1,990 0 0 0
Metallic paint (extra cost) 710 710 710        
Carbon fiber / leather-wrapped steering wheel     470        
LED headlights     2,765        
Cooled or ventilated front seats     615 840 840    
Interior ambient lighting       510 510    
Auto-dimming headlights       500      
Proximity key       1,090 1,090    
Alloy wheels, optional design       965 0    
Black exterior trim (optional)           750 750
Painted brake calipers (optional)           1,000 1,000
Adaptive sport seats plus 3,251 3,251          
Torque vectoring, brake-based 1,122            
Adaptive cruise control, all-speed 2,117 2,117 2,117 2,117 2,117    
Premium Package Plus 3,375 3,375 3,884        
Illuminated carbon fiber door sill trim plates 1,084 1,084 1,084 1,084 1,084    
Ceramic brake rotors 7,242 7,242 7,242 7,829   8,324 8,324
245/35ZR20 1,343            
Wheels, dark finish 1,029 1,029 0 1,390 1,390 2,046 2,046
Color seat belts 459 459 459 459 459 279 279
Blind spot warning system 723 723 723 723 723    
Wood/leather-wrapped steering wheel 842 842   315 315 605 605
Upholstered instrument panel, leather 2,967 2,967 3,273        
Dual-mode exhaust, switchable 2,508 2,508          
Wood trim 1,692 1,692   1,692 0 0 0
Metallic paint (extra cost) 604 604 604        
Carbon fiber / leather-wrapped steering wheel     400        
LED headlights     2,350        
Cooled or ventilated front seats     523 714 714    
Interior ambient lighting       434 434    
Auto-dimming headlights       425      
Proximity key       927 927    
Alloy wheels, optional design       820 0    
Black exterior trim (optional)           698 698
Painted brake calipers (optional)           930 930
Options (change) 35,710 32,810 26,655 22,265 9,600 13,850 13,850
Options (change) 30,358 27,893 22,659 18,929 8,163 12,882 12,882
Destination 1,050 1,050 1,050 1,050 1,050 995 995
Gas Tax 0 0 0 0 0 0 1,300
Total Price $138,460 $149,560 $159,005 $194,815 $211,050 $167,695 $238,145

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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 SL

Lowest Adjusted Price: Porsche 911 Carrera
Lowest Adjusted Invoice: Mercedes-Benz SL AMG SL63
TrueDelta Adjusted Price Difference: $19,165
TrueDelta Adjusted Invoice Difference: $109,894
Model Year2017201720172017201720182018
Model911911911911911SLSL
TrimCarreraCarrera SCarrera GTSTurboTurbo SAMG SL63AMG SL65
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine370hp H6420hp H6450hp H6540hp H6580hp H6577hp V8621hp V12
TransmissionM7M7M7S7S7T7T7
DrivetrainRWDRWDRWDAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8?, 8?, 8555, 12555, 12600, 11900, 12
Tire (rear if not all the same)245/35-20245/35-20245/35-20245/35-20245/35-20255/35-19255/35-19
Total Price$138,460$149,560$159,005$194,815$211,050$167,695$238,145
Adjustments for Features00-1,000-5,100-6,000-10,070-14,170
Feature-Adjusted Total Price$138,460$149,560$158,005$189,715$205,050$157,625$223,975
Cost Above Minimum$0$11,100$19,545$51,255$66,590$0$66,350

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Features Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year2017201720172017201720182018
Model911911911911911SLSL
TrimCarreraCarrera SCarrera GTSTurboTurbo SAMG SL63AMG SL65
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed manual$300$300$300    
7-speed automated manual   $1200$1200  
7-speed manually-shiftable automatic     $1200$1200
RWD$0$0$0  $0$0
AWD   $1700$1700  
Accessories 
Adaptive cruise control, all-speed$850$850$850$850$850 $850
Cruise control     $150 
Hands-free trunk or liftgate     $100$100
Heated steering wheel$100$100$100$100$100  
Power door closers      $300
Power trunk closer     $350$350
Semi-automated parking system     $500$500
Wind blocker$300$300$300$300$300  
Wind blocker, power small     $300$300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats     $0$0
Automatic braking, low-speed     $200$200
Blind spot collision prevention      $150
Blind spot warning system$200$200$200$200$200 $200
Brake- or yaw-sensor-initiated collision preparation system     $0 
Collision preparation system, rear      $100
Cross-traffic detection for collision preparation system      $0
Cross-traffic warning, rear      $100
Driver drowsiness monitor     $150$150
Lane departure warning      $200
Lane keeping assist      $400
Pedestrian detection      $50
Radar- or camera-based collision preparation system$0$0$0$0$0 $0
Secondary collision brake assist$25$25$25$25$25  
Cargo Management 
Air-conditioned storage compartment     $50$50
Storage compartment under front seat(s)     $50$50
Climate Control 
Adaptive windshield washer system     $0$0
Heated washer fluid system     $50$50
Heated windshield washer nozzles$15$15$15$15$15  
Washer fluid outlets in wiper blade     $100$100
Water-repellent front-door glass$15$15$15$15$15  
Wiper de-icer     $25$25
Drivetrain 
Electronically-variable engine mounts (performance-oriented)  $500$500$500  
Engine / Motor 
Dual-mode exhaust, switchable$500$500$500  $500$500
Raised top speed limiter     $0$0
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  $0$0
Body kit (gray/black)  $0$0$0  
Electronically-variable tint, sunroof or glass roof panel      $2000
Glass roof panel(s)     $300$300
Painted brake calipers (optional) $0$0$0$0$0$0
Power convertible top$4000$4000$4000$4000$4000  
Power retractable hardtop     $6750$6750
Rear spoiler     $200$200
Retractable rear spoiler$400$400$400    
Tall rear wing-type spoiler   $500$500  
Infotainment 
4G LTE connectivity$0$0$0$0$0  
Android Auto support     $100$100
DVD-Audio-compatible player$0$0$0$0$0  
DVD-compatible player     $0$0
Handwriting recognition$200$200$200$200$200  
iPod integration     $100$100
Off-road navigation system$0$0$0$0$0  
SMS text-to-speech reader     $25$25
Surround sound   $250$250$250$250
Telematics service, such as OnStar$200$200$200$200$200  
Telematics service, such as OnStar, with navigation     $225$225
Traffic + travel information     $25$25
Traffic information$25$25$25$25$25  
USB port$25$25$25$25$25  
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75$75$75$75$75  
Boost gauge$75$75$75$75$75  
Chronometer  $100$100$100$100$100
Headlight washers$50$50$50$50$50  
Interior ambient lighting$150$150$150$150$150  
Interior ambient lighting, configurable     $150$150
Mirror tilt-down in reverse     $25$25
Performance data recording app  $200    
Performance meter  $150$150$150  
Turn signals on or near mirrors     $25$25
Seats and Interior Trim 
Aluminum trim  $100    
Automatic seat bolsters, driver     $300$300
Automatic seat bolsters, front passenger     $300$300
Carbon fiber / leather-wrapped steering wheel  $150    
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
Massage, driver seat     $100$100
Massage, passenger seat     $100$100
Memory system, passenger seat     $150$150
Neck-level heating, front seats     $150$150
No leather in second row     $-300$-300
Power headrest height adjuster, driver seat     $50$50
Power headrest height adjuster, passenger seat     $50$50
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 door panel trim  $250    
Synthetic suede headliner     $650$650
Wood trim$300$300 $300$300$300$300
Wood/leather-wrapped steering wheel$150$150 $150$150$150$150
Suspension, Wheels, and Tires 
Active curve tilting     $1000$1000
Active stabilizer bars    $500  
Adaptive dampers - electrical$500$500$500$500$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable     $4000$4000
Electronic systems calibration selector  $200$200$200$200$200
Rear wheel steering   $1500$1500  
Sport suspension (upgrade)     $0 
Ultra-sport suspension (upgrade)      $0
Transmission 
Downshift rev matching  $50    
Launch control     $100 
Steering-wheel-mounted transmission controls   $100$100$100$100
Total Value of Features$9,780$9,780$10,780$14,880$15,780$19,850$23,950
Value of Feature Adjustments$0$0$1,000$5,100$6,000$10,070$14,170
Value of Feature Adjustments00-892-4,564-5,389-833-903

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year20172018
Model911SL
Body2dr Convertible2dr Hardtop conv.
Wheelbase96.5 in101.7 in
Length177.1 in182.3 in
Width71.2 in73.9 in
Height50.7 in51.2 in
Curb Weight3,308 lb.3,827 lb.
Fuel Capacity16.9 gal.19.8 gal.
Row 1 Headroom0.0 in39.1 in
Row 1 Shoulder Room0.0 in55.5 in
Row 1 Legroom0.0 in42.9 in
Cargo Volume,
Minimum
5.1 ft38.5 ft3
Cargo Volume,
Maximum
10.8 ft313.5 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 seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100No
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 length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Total Requested140082%
Total Not Requested30018%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Auto-dimming headlights200Yes
Proximity key250Yes
Interior ambient lighting150Yes
LED headlights500Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Headlight washers50No
Cornering lights50Yes
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 length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested322596%
Total Not Requested1254%

Option Package Details
Porsche 911 Carrera S

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100No
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 length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Total Requested140082%
Total Not Requested30018%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Auto-dimming headlights200Yes
Proximity key250Yes
Interior ambient lighting150Yes
LED headlights500Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Headlight washers50No
Cornering lights50Yes
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 length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested322596%
Total Not Requested1254%

Option Package Details
Porsche 911 Carrera GTS

Premium Package Plus
FeatureValueRequested?
Proximity key250Yes
Interior ambient lighting150Yes
Heated front seats200Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, 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 length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested222589%
Total Not Requested27511%

Option Package Details
Mercedes-Benz SL AMG SL63

Wheels, dark finish
FeatureValueRequested?
Wheels, dark finish0Yes
Alloy wheels, optional design0No
255/35ZR19 tires200No
285/30ZR20 tires200No
Total Requested00%
Total Not Requested400100%

Option Package Details
Mercedes-Benz SL AMG SL65

Wheels, dark finish
FeatureValueRequested?
Wheels, dark finish0Yes
Alloy wheels, optional design0No
Total Requested00%
Total Not Requested0100%

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