Mercedes-Benz SL Mercedes-Benz SL 2017 Porsche 911 Porsche 911 2008

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Mercedes-Benz SL vs. Porsche 911 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.

Mercedes-Benz SL vs. Porsche 911 Invoice Comparison

Lowest Total Price: $113,600

Porsche 911 Carrera   
Difference: $118,075

Lowest Total Invoice: $98,654

Porsche 911 Carrera   
Difference: $116,961

Calculate Payments

  Down Payment Interest Rate Term
Model Year201720082008
ModelSL911911
TrimAMG SL65CarreraCarrera S
Body2dr Hardtop conv.2dr Convertible2dr Convertible
Base Price $219,850 $83,800 $94,100
Base Invoice $204,461 $73,192 $82,209
Wood trim 0 890 890
Wood/leather-wrapped steering wheel 650 1,360 1,360
Ceramic brake rotors 8,950 8,150 8,150
Auto-dimming rearview mirror   385 385
Adaptive Sports Seats   3,055 3,055
Sport Chrono Package Plus   960 960
Upholstered instrument panel, leather   3,005 3,005
Dual-mode exhaust, switchable   2,400 2,400
Obstacle detection, rear   530 530
Heated front seats   500 500
Navigation system   2,110 2,110
Adaptive dampers - electrical   1,990  
Bluetooth cell phone link   960 960
Illuminated door sill trim plates   725 725
Floor mats   140 140
Metallic paint (extra cost)   690 690
Xenon HID headlights   1,090  
Wood trim 0 757 757
Wood/leather-wrapped steering wheel 605 1,156 1,156
Ceramic brake rotors 8,324 6,928 6,928
Auto-dimming rearview mirror   327 327
Adaptive Sports Seats   2,597 2,597
Sport Chrono Package Plus   816 816
Upholstered instrument panel, leather   2,554 2,554
Dual-mode exhaust, switchable   2,040 2,040
Obstacle detection, rear   451 451
Heated front seats   425 425
Navigation system   1,794 1,794
Adaptive dampers - electrical   1,692  
Bluetooth cell phone link   816 816
Illuminated door sill trim plates   616 616
Floor mats   119 119
Metallic paint (extra cost)   587 587
Xenon HID headlights   927  
Options (change) 9,600 28,940 25,860
Options (change) 8,929 24,602 21,983
Destination 925 860 860
Gas Tax 1,300 0 0
Total Price $231,675 $113,600 $120,820
Total Invoice $215,615 $98,654 $105,052

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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: Mercedes-Benz SL vs. Porsche 911

Lowest Adjusted Price and Invoice: Porsche 911 Carrera
TrueDelta Adjusted Price Difference: $97,540
TrueDelta Adjusted Invoice Difference: $97,850
Model Year201720082008
ModelSL911911
TrimAMG SL65CarreraCarrera S
Body2dr Hardtop conv.2dr Convertible2dr Convertible
Engine621hp V12325hp H6355hp H6
TransmissionT7M6M6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)13/22 MPG16/23 MPG16/23 MPG
Audio (watts, speakers)900, 12235, 9235, 9
Tire (rear if not all the same)255/35-19235/40-18235/35-19
Total Price$231,675$113,600$120,820
Adjustments for Features-20,5350-125
Feature-Adjusted Total Price$211,140$113,600$120,695
Cost Above Minimum$0$0$7,095
Total Invoice$215,615$98,654$105,052
Adjustments for Features-19,1110-109
Feature-Adjusted Total Invoice$196,504$98,654$104,943
Cost Above Minimum$0$0$6,289

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Features Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year201720082008
ModelSL911911
TrimAMG SL65CarreraCarrera S
Body2dr Hardtop conv.2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200  
6-speed manual $150$150
RWD$0$0$0
Accessories 
Adaptive cruise control, all-speed$850  
Cruise control $150$150
Hands-free trunk or liftgate$100  
Power door closers$300  
Power trunk closer$350  
Proximity key$250  
Remote app$25  
Semi-automated parking system$500  
Tilt/telescoping steering wheel, manual $250$250
Tilt/telescoping steering wheel, power$350  
Wind blocker $300$300
Wind blocker, power small$300  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0  
Automatic braking, high-speed or partial$200  
Automatic braking, low-speed$200  
Blind spot collision prevention$150  
Blind spot warning system$200  
Collision preparation system, rear$100  
Cross-traffic detection for collision preparation system$0  
Cross-traffic warning, rear$100  
Driver drowsiness monitor$150  
Forward collision warning$200  
Knee airbag, driver$75  
Knee airbag, passenger$75  
Lane departure warning$200  
Lane keeping assist$400  
Obstacle detection, front$150  
Pedestrian detection$50  
Radar- or camera-based collision preparation system$0  
Rearview camera$200  
Side curtain airbags$350  
Torque vectoring, brake-based$100  
Cargo Management 
Air-conditioned storage compartment$50  
Storage compartment under front seat(s)$50  
Climate Control 
Adaptive windshield washer system$0  
Automatic air recirculation$100  
Dual-zone climate control$125  
Heated washer fluid system$50  
Heated windshield washer nozzles $15$15
Residual heat$50  
Washer fluid outlets in wiper blade$100  
Water-repellent front-door glass $15$15
Wiper de-icer$25  
Drivetrain 
Limited-slip rear differential$300  
Engine / Motor 
Automatic start / stop$150  
Raised top speed limiter$0  
Rear-engine configuration $0$0
Exterior 
Electronically-variable tint, sunroof or glass roof panel$2000  
Glass roof panel(s)$300  
Power convertible top $4000$4000
Power retractable hardtop$6750  
Rear spoiler$200  
Retractable rear spoiler $400$400
Infotainment 
Android Auto support$100  
App support$0  
Apple CarPlay support$100  
Aux input$50  
Bluetooth audio streaming$25  
DVD-compatible player$0  
HD radio$50  
In-vehicle Internet$150  
iPod integration$100  
Media drive$15  
Navigation map updates, three years$0  
Off-road navigation system $0$0
Satellite radio$200  
SD Card slot$25  
SMS text-to-speech reader$25  
Surround sound$250  
Telematics service, such as OnStar, with navigation$225  
Traffic + travel information$25  
Voice control for nav and audio$100  
Wi-Fi hotspot$50  
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200  
Cornering lights$50  
Fog light, rear$100  
Fog lights  $125
Headlight washers $50$50
Interior ambient lighting $150$150
Interior ambient lighting, configurable$150  
LED headlights$1000  
Mirror tilt-down in reverse$25  
Steering-linked headlights$150  
Turn signals on or near mirrors$25  
Xenon HID headlights $500$500
Seats and Interior Trim 
Automatic seat bolsters, driver$300  
Automatic seat bolsters, front passenger$300  
Cooled or ventilated front seats$300  
Folding second row seats $300$300
Massage, driver seat$100  
Massage, passenger seat$100  
Memory system, passenger seat$150  
Neck-level heating, front seats$150  
No leather in second row$-300  
Power headrest height adjuster, driver seat$50  
Power headrest height adjuster, passenger seat$50  
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  
Power thigh support length adjuster, passenger seat$100  
Synthetic suede headliner$650  
Suspension, Wheels, and Tires 
Active curve tilting$1000  
Adaptive dampers - electrical $500$500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000  
Ultra-sport suspension (upgrade)$0  
Transmission 
Steering-wheel-mounted transmission controls$100  
Total Value of Features$27,715$7,180$7,305
Value of Feature Adjustments$20,535$0$125
Value of Feature Adjustments-19,1110-109

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Specifications Comparison: Mercedes-Benz SL vs. Porsche 911

Model Year20172008
ModelSL911
Body2dr Hardtop conv.2dr Convertible
Wheelbase101.7 in92.5 in
Length182.3 in175.6 in
Width73.9 in71.2 in
Height51.2 in51.6 in
Curb Weight4,211 lb.3,341 lb.
Fuel Capacity19.8 gal.17.0 gal.
Row 1 Headroom39.1 in38.0 in
Row 1 Shoulder Room55.5 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.9 in41.6 in
Row 2 Headroom0.0 in31.5 in
Cargo Volume,
Minimum
8.5 ft34.8 ft3
Cargo Volume,
Maximum
13.5 ft34.8 ft3

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Option Package Details
Porsche 911 Carrera

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Audio controls on steering wheel125Yes
Total Requested275100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Total Requested50091%
Total Not Requested509%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100No
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
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Total Requested120080%
Total Not Requested30020%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100Yes
Electronic systems calibration selector200Yes
Total Requested300100%
Total Not Requested00%

Option Package Details
Porsche 911 Carrera S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Audio controls on steering wheel125Yes
Total Requested275100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100No
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
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Total Requested120080%
Total Not Requested30020%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100Yes
Electronic systems calibration selector200Yes
Total Requested300100%
Total Not Requested00%

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