| 1 | 0 | 3 | 4 | 3 | 4 |
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.
Models in short supply often sell at or even above these prices.
Porsche 911 vs. Mercedes-Benz SL Invoice Comparison
Lowest Total Price: $102,515 Mercedes-Benz SL SL550 | ||||||||
| Difference: $5,615 | ||||||||
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| Model Year | 2012 | 2012 | 2012 | 2012 | 2009 | 2009 | 2009 | 2009 |
| Model | 911 | 911 | 911 | 911 | SL | SL | SL | SL |
| Trim | Carrera | Carrera S | Turbo | Turbo S | SL550 | SL600 | SL63 AMG | SL65 AMG |
| Body | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Base Price | $90,100 | $103,000 | $149,000 | $172,100 | $98,500 | $139,100 | $135,000 | $194,700 |
| Infotainment Package | 3,010 | 3,010 | ||||||
| Adaptive Sports Seats | 3,055 | 3,055 | 1,145 | |||||
| Auto-dimming rearview mirror | 420 | 420 | ||||||
| Adaptive dampers - electrical | 2,090 | |||||||
| Metallic paint (extra cost) | 710 | 710 | ||||||
| Audio controls on steering wheel | 615 | 615 | 0 | 0 | ||||
| Voice control for nav and audio | 595 | 595 | 595 | 595 | ||||
| Steering-linked headlights | 690 | 690 | 690 | |||||
| Heated front seats | 525 | 525 | 525 | 525 | ||||
| CD changer, in-dash | 650 | 650 | 650 | |||||
| Upholstered instrument panel, leather | 3,295 | 3,295 | ||||||
| Illuminated door sill trim plates | 895 | 895 | 895 | 895 | 700 | 700 | 700 | 700 |
| Obstacle detection, rear | 530 | 530 | 530 | 530 | 1,140 | 1,140 | ||
| Satellite radio | 750 | 750 | ||||||
| Synthetic suede steering wheel | 1,295 | |||||||
| Wood trim | 0 | 0 | ||||||
| Infotainment Package | 0 | 0 | ||||||
| Adaptive Sports Seats | 2,597 | 2,597 | 973 | |||||
| Auto-dimming rearview mirror | 0 | 0 | ||||||
| Adaptive dampers - electrical | 0 | |||||||
| Metallic paint (extra cost) | 0 | 0 | ||||||
| Audio controls on steering wheel | 0 | 0 | 0 | 0 | ||||
| Voice control for nav and audio | 0 | 0 | 0 | 0 | ||||
| Steering-linked headlights | 0 | 0 | 0 | |||||
| Heated front seats | 0 | 0 | 0 | 0 | ||||
| CD changer, in-dash | 0 | 0 | 0 | |||||
| Upholstered instrument panel, leather | -306 | 2,554 | ||||||
| Illuminated door sill trim plates | 0 | 0 | 0 | 0 | 651 | 651 | 651 | 651 |
| Obstacle detection, rear | 451 | 451 | 451 | 0 | 1,060 | 1,060 | ||
| Satellite radio | 0 | 0 | ||||||
| Synthetic suede steering wheel | 0 | |||||||
| Wood trim | 0 | 0 | ||||||
| Options (change) | 17,080 | 14,990 | 5,780 | 4,590 | 1,840 | 700 | 1,840 | 700 |
| Options (change) | 2,742 | 5,602 | 1,424 | 0 | 1,711 | 651 | 1,711 | 651 |
| Destination | 950 | 950 | 950 | 950 | 875 | 875 | 875 | 875 |
| Gas Tax | 0 | 0 | 0 | 0 | 1,300 | 2,600 | 2,600 | 2,600 |
| Total Price | $108,130 | $118,940 | $155,730 | $177,640 | $102,515 | $143,275 | $140,315 | $198,875 |
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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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Want to find out how much dealers are willing to discount these cars? Request free, no-obligation Porsche 911 dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form. The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours. |
TrueDelta Value Comparison: Porsche 911 vs. Mercedes-Benz SL
| Lowest Adjusted Price: Mercedes-Benz SL SL550 | ||||||||
| Lowest Adjusted Invoice: Porsche 911 Turbo S | ||||||||
| TrueDelta Adjusted Price Difference: $13,125 | ||||||||
| TrueDelta Adjusted Invoice Difference: $87,589 | ||||||||
| Model Year | 2012 | 2012 | 2012 | 2012 | 2009 | 2009 | 2009 | 2009 |
| Model | 911 | 911 | 911 | 911 | SL | SL | SL | SL |
| Trim | Carrera | Carrera S | Turbo | Turbo S | SL550 | SL600 | SL63 AMG | SL65 AMG |
| Body | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Engine | 345hp H6 | 385hp H6 | 500hp H6 | 530hp H6 | 382hp V8 | 510hp V12 | 518hp V8 | 604hp V12 |
| Transmission | M6 | M6 | M6 | S7 | T7 | T5 | T7 | T5 |
| Drivetrain | RWD | RWD | AWD | AWD | RWD | RWD | RWD | RWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 385, 13 | 385, 13 | 385, 13 | 385, 13 | 510, 10 | 510, 10 | 510, 10 | 510, 10 |
| Tire (rear if not all the same) | 235/40-18 | 235/35-19 | 235/35-19 | 235/35-19 | 255/40-18 | 255/40-18 | 255/35-19 | 255/35-19 |
| Total Price | $108,130 | $118,940 | $155,730 | $177,640 | $102,515 | $143,275 | $140,315 | $198,875 |
| Adjustments for Features | 0 | 0 | -1,850 | -8,000 | -7,510 | -9,810 | -8,860 | -9,910 |
| Feature-Adjusted Total Price | $108,130 | $118,940 | $153,880 | $169,640 | $95,005 | $133,465 | $131,455 | $188,965 |
| Cost Above Minimum | $0 | $10,810 | $45,750 | $61,510 | $0 | $38,460 | $36,450 | $93,960 |
Features Comparison: Porsche 911 vs. Mercedes-Benz SL
| Model Year | 2012 | 2012 | 2012 | 2012 | 2009 | 2009 | 2009 | 2009 |
| Model | 911 | 911 | 911 | 911 | SL | SL | SL | SL |
| Trim | Carrera | Carrera S | Turbo | Turbo S | SL550 | SL600 | SL63 AMG | SL65 AMG |
| Body | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Transmission and Drivetrain | ||||||||
| 6-speed manual | $150 | $150 | $150 | |||||
| 7-speed automated manual | $1200 | |||||||
| 7-speed manually-shiftable automatic | $1200 | $1200 | ||||||
| 5-speed manually-shiftable automatic | $1000 | $1000 | ||||||
| RWD | $0 | $0 | $0 | $0 | $0 | $0 | ||
| AWD | $1700 | $1700 | ||||||
| Accessories | ||||||||
| Power trunk closer | $350 | $350 | ||||||
| Proximity key | $250 | $250 | ||||||
| Tilt/telescoping steering wheel, manual | $250 | $250 | $250 | $250 | ||||
| Tilt/telescoping steering wheel, power | $350 | $350 | $350 | $350 | ||||
| Wind blocker | $300 | $300 | $300 | $300 | ||||
| Wind blocker, small | $100 | $100 | $100 | $100 | ||||
| Brakes, Airbags, and Other Safety | ||||||||
| Active or whiplash-reducing head restraints, front seats | $0 | $0 | $0 | $0 | ||||
| Ceramic brake rotors | $4000 | |||||||
| Knee airbag, driver | $75 | $75 | $75 | $75 | ||||
| Obstacle detection, front | $150 | $150 | $150 | $150 | ||||
| Temporary spare tire | $150 | $150 | $150 | $150 | ||||
| Torque vectoring, brake-based | $100 | |||||||
| Cargo Management | ||||||||
| Air-conditioned storage compartment | $50 | $50 | $50 | $50 | ||||
| Storage compartment under front seat(s) | $50 | $50 | $50 | $50 | ||||
| Climate Control | ||||||||
| Automatic air recirculation | $100 | $100 | $100 | $100 | ||||
| Dual-zone climate control | $125 | $125 | $125 | $125 | ||||
| Residual heat | $50 | $50 | $50 | $50 | ||||
| Water-repellent front-door glass | $15 | $15 | $15 | $15 | ||||
| Wiper de-icer | $25 | $25 | $25 | $25 | ||||
| Drivetrain | ||||||||
| Electronically-variable engine mounts (performance-oriented) | $500 | |||||||
| Limited-slip rear differential | $300 | $300 | ||||||
| Engine / Motor | ||||||||
| Rear-engine configuration | $0 | $0 | $0 | $0 | ||||
| Exterior | ||||||||
| Body kit | $0 | $0 | ||||||
| Glass roof panel(s) | $300 | $300 | ||||||
| Larger rear spoiler | $200 | $200 | ||||||
| Power convertible top | $4000 | $4000 | $4000 | $4000 | ||||
| Power retractable hardtop | $6750 | $6750 | $6750 | $6750 | ||||
| Retractable rear spoiler | $400 | $400 | ||||||
| Infotainment | ||||||||
| DVD-Audio-compatible player | $0 | $0 | $0 | $0 | ||||
| DVD-compatible player | $0 | $0 | $0 | $0 | ||||
| iPod integration | $100 | $100 | $100 | $100 | ||||
| Off-road navigation system | $0 | $0 | $0 | $0 | ||||
| SD Card slot | $25 | $25 | $25 | $25 | ||||
| Telematics service, such as OnStar | $200 | $200 | $200 | $200 | ||||
| Traffic information | $25 | $25 | ||||||
| USB port | $25 | $25 | $25 | $25 | ||||
| Instruments, Lights, and Mirrors | ||||||||
| Auto-dimming passenger-side mirror | $75 | $75 | $75 | $75 | ||||
| Boost gauge | $75 | $75 | ||||||
| Chronometer | $100 | |||||||
| Cornering lights | $50 | $50 | $50 | $50 | ||||
| Mirror tilt-down in reverse | $25 | $25 | $25 | $25 | ||||
| Turn signals on or near mirrors | $25 | $25 | $25 | $25 | ||||
| Seats and Interior Trim | ||||||||
| Cooled or ventilated front seats | $300 | $300 | ||||||
| Folding second row seats | $300 | $300 | $300 | $300 | ||||
| Leather-wrapped steering wheel | $150 | $150 | $150 | $150 | ||||
| Massage, driver seat | $100 | $100 | $100 | |||||
| Massage, passenger seat | $100 | $100 | $100 | |||||
| Memory system, passenger seat | $150 | $150 | $150 | $150 | ||||
| Neck-level heating, front seats | $150 | $150 | ||||||
| No leather in second row | $-300 | $-300 | $-300 | $-300 | ||||
| Power 4-way lumbar adjuster, driver seat | $150 | $150 | $150 | $150 | $150 | $150 | $150 | |
| Power 4-way lumbar adjuster, passenger seat | $150 | $150 | $150 | $150 | $150 | $150 | $150 | |
| Power headrest height adjuster, driver seat | $50 | $50 | $50 | $50 | ||||
| Power headrest height adjuster, passenger seat | $50 | $50 | $50 | $50 | ||||
| Power lumbar adjuster, driver seat | $100 | |||||||
| Power lumbar adjuster, passenger seat | $100 | |||||||
| Power seatback bolsters, driver seat | $100 | $100 | $100 | $100 | $100 | $100 | $100 | |
| Power seatback bolsters, passenger seat | $100 | $100 | $100 | $100 | $100 | $100 | $100 | |
| Power thigh bolsters, driver seat | $100 | $100 | $100 | $100 | ||||
| Power thigh bolsters, passenger seat | $100 | $100 | $100 | $100 | ||||
| Power thigh support length adjuster, driver seat | $100 | $100 | $100 | $100 | ||||
| Power thigh support length adjuster, passenger seat | $100 | $100 | $100 | $100 | ||||
| Synthetic suede headliner | $650 | $650 | $650 | |||||
| Synthetic suede steering wheel | $150 | $150 | $150 | |||||
| Wood trim | $300 | $300 | $300 | $300 | ||||
| Wood/leather-wrapped steering wheel | $150 | |||||||
| Suspension, Wheels, and Tires | ||||||||
| Adaptive dampers - electrical | $500 | $500 | $500 | $500 | ||||
| Adaptive hydraulic struts, auto-leveling and ht. adjustable | $4000 | $4000 | $4000 | $4000 | ||||
| Electronic systems calibration selector | $200 | |||||||
| Sport suspension (upgrade) | $0 | $0 | ||||||
| Transmission | ||||||||
| Launch control | $100 | $100 | ||||||
| Steering-wheel-mounted transmission controls | $100 | $100 | $100 | |||||
| Total Value of Features | $6,890 | $6,890 | $8,740 | $14,890 | $14,400 | $16,700 | $15,750 | $16,800 |
| Value of Feature Adjustments | $0 | $0 | $1,850 | $8,000 | $7,510 | $9,810 | $8,860 | $9,910 |
| Value of Feature Adjustments | 0 | 0 | -28 | -43 | -6,995 | -9,140 | -8,255 | -9,228 |
Specifications Comparison: Porsche 911 vs. Mercedes-Benz SL
| Model Year | 2012 | 2009 |
| Model | 911 | SL |
| Body | 2dr Convertible | 2dr Hardtop conv. |
| Wheelbase | 92.5 in | 100.8 in |
| Length | 175.6 in | 180.4 in |
| Width | 71.2 in | 71.5 in |
| Height | 51.6 in | 51.1 in |
| Curb Weight | 3,264 lb. | 4,221 lb. |
| Fuel Capacity | 16.9 gal. | 21.1 gal. |
| Row 1 Headroom | 38.0 in | 37.7 in |
| Row 1 Shoulder Room | 51.7 in | 54.0 in |
| Row 1 Hip Room | 53.4 in | 53.9 in |
| Row 1 Legroom | 41.6 in | 42.9 in |
| Row 2 Headroom | 31.5 in | 0.0 in |
| Cargo Volume, Minimum | 4.4 ft3 | 7.2 ft3 |
| Cargo Volume, Maximum | 4.4 | 10.2 ft3 |
Option Package Details
Porsche 911 Carrera
| Infotainment Package | ||
| Feature | Value | Requested? |
| Satellite radio | 200 | Yes |
| Surround sound | 250 | Yes |
| Traffic information | 25 | No |
| Bose, 385W, 13 speakers (with subwoofer) | 350 | No |
| DVD-Audio-compatible player | 0 | Yes |
| Off-road navigation system | 0 | No |
| Media drive, large | 15 | Yes |
| USB port | 25 | Yes |
| Navigation system | 600 | Yes |
| Total Requested | 1090 | 74% |
| Total Not Requested | 375 | 26% |
| Adaptive Sports Seats | ||
| Feature | Value | Requested? |
| Power thigh bolsters, driver seat | 100 | No |
| Power seatback bolsters, driver | 100 | Yes |
| Power thigh bolsters, passenger seat | 100 | No |
| Power seatback bolsters, passenger seat | 100 | Yes |
| Front sport buckets | 100 | Yes |
| Power height adjuster, driver seat | 50 | Yes |
| Power tilt adjuster, driver seat | 100 | Yes |
| Power 4-way lumbar adjuster, driver seat | 150 | Yes |
| Power fore-aft adjuster, passenger seat | 100 | Yes |
| Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
| Memory system, driver seat | 200 | Yes |
| Power height adjuster, passenger seat | 50 | Yes |
| Power tilt adjuster, passenger seat | 100 | Yes |
| Power fore-aft adjuster, driver seat | 100 | Yes |
| Total Requested | 1300 | 87% |
| Total Not Requested | 200 | 13% |
Option Package Details
Porsche 911 Carrera S
| Infotainment Package | ||
| Feature | Value | Requested? |
| Satellite radio | 200 | Yes |
| Surround sound | 250 | Yes |
| Traffic information | 25 | No |
| Bose, 385W, 13 speakers (with subwoofer) | 350 | No |
| DVD-Audio-compatible player | 0 | Yes |
| Off-road navigation system | 0 | No |
| Media drive, large | 15 | Yes |
| USB port | 25 | Yes |
| Navigation system | 600 | Yes |
| Total Requested | 1090 | 74% |
| Total Not Requested | 375 | 26% |
| Adaptive Sports Seats | ||
| Feature | Value | Requested? |
| Power thigh bolsters, driver seat | 100 | No |
| Power seatback bolsters, driver | 100 | Yes |
| Power thigh bolsters, passenger seat | 100 | No |
| Power seatback bolsters, passenger seat | 100 | Yes |
| Front sport buckets | 100 | Yes |
| Power height adjuster, driver seat | 50 | Yes |
| Power tilt adjuster, driver seat | 100 | Yes |
| Power 4-way lumbar adjuster, driver seat | 150 | Yes |
| Power fore-aft adjuster, passenger seat | 100 | Yes |
| Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
| Memory system, driver seat | 200 | Yes |
| Power height adjuster, passenger seat | 50 | Yes |
| Power tilt adjuster, passenger seat | 100 | Yes |
| Power fore-aft adjuster, driver seat | 100 | Yes |
| Total Requested | 1300 | 87% |
| Total Not Requested | 200 | 13% |
Option Package Details
Porsche 911 Turbo
| Adaptive Sports Seats | ||
| Feature | Value | Requested? |
| Power thigh bolsters, driver seat | 100 | No |
| Power seatback bolsters, driver | 100 | Yes |
| Power thigh bolsters, passenger seat | 100 | No |
| Power seatback bolsters, passenger seat | 100 | Yes |
| Front sport buckets | 100 | Yes |
| Total Requested | 300 | 60% |
| Total Not Requested | 200 | 40% |
Option Package Details
Mercedes-Benz SL SL550
| Obstacle detection, rear | ||
| Feature | Value | Requested? |
| Obstacle detection, rear | 250 | Yes |
| Obstacle detection, front | 150 | No |
| Total Requested | 250 | 63% |
| Total Not Requested | 150 | 37% |
Option Package Details
Mercedes-Benz SL SL63 AMG
| Obstacle detection, rear | ||
| Feature | Value | Requested? |
| Obstacle detection, rear | 250 | Yes |
| Obstacle detection, front | 150 | No |
| Total Requested | 250 | 63% |
| Total Not Requested | 150 | 37% |
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