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.
Lowest Total Price: $104,485 Mercedes-Benz SL SL550 | ||||||||
Difference: $27,000 | ||||||||
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Model Year | 2008 | 2008 | 2008 | 2008 | 2021 | 2021 | 2021 | 2021 |
Model | SL | SL | SL | SL | 911 | 911 | 911 | 911 |
Trim | SL550 | SL600 | SL55 AMG | SL65 AMG | Carrera | Carrera S | Turbo | Turbo S |
Body | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible |
Base Price | $95,300 | $133,200 | $129,300 | $187,200 | $112,000 | $127,900 | $183,600 | $216,300 |
Obstacle detection, rear | 1,130 | 1,130 | 1,130 | 1,130 | ||||
Premium I Package | 3,170 | 2,500 | ||||||
Voice control for nav and audio | 510 | 510 | 510 | 510 | ||||
Adaptive cruise control | 2,200 | 2,200 | 2,200 | 2,200 | ||||
Wood trim | 0 | 0 | 1,990 | 1,990 | 1,990 | 0 | ||
Adaptive sport seats plus | 3,825 | 3,825 | 1,145 | |||||
Adaptive cruise control, all-speed | 2,490 | 2,490 | 2,490 | 2,490 | ||||
Upholstered instrument panel, leather | 3,490 | 3,490 | ||||||
Body kit | 750 | 750 | 750 | 750 | ||||
Synthetic suede steering wheel | 910 | 910 | 910 | 910 | ||||
Metallic paint (extra cost) | 710 | 710 | ||||||
Premium Package Plus | 3,970 | 3,970 | ||||||
Interior ambient lighting | 510 | 510 | ||||||
Proximity key | 1,090 | 1,090 | ||||||
Cooled or ventilated front seats | 840 | 840 | ||||||
Obstacle detection, rear | 1,051 | 1,051 | 1,051 | 1,051 | ||||
Premium I Package | 2,948 | 2,325 | ||||||
Voice control for nav and audio | 474 | 474 | 474 | 474 | ||||
Adaptive cruise control | 2,046 | 2,046 | 2,046 | 2,046 | ||||
Wood trim | 0 | 0 | 1,692 | 1,692 | 1,692 | 0 | ||
Adaptive sport seats plus | 3,251 | 3,251 | 973 | |||||
Adaptive cruise control, all-speed | 2,117 | 2,117 | 2,117 | 2,117 | ||||
Upholstered instrument panel, leather | 2,967 | 2,967 | ||||||
Body kit | 638 | 638 | 638 | 638 | ||||
Synthetic suede steering wheel | 774 | 774 | 774 | 774 | ||||
Metallic paint (extra cost) | 604 | 604 | ||||||
Premium Package Plus | 3,375 | 3,375 | ||||||
Interior ambient lighting | 434 | 434 | ||||||
Proximity key | 927 | 927 | ||||||
Cooled or ventilated front seats | 714 | 714 | ||||||
Options (change) | 7,010 | 3,840 | 6,340 | 3,840 | 18,135 | 18,135 | 9,725 | 6,590 |
Options (change) | 6,519 | 3,571 | 5,896 | 3,571 | 15,418 | 15,418 | 8,269 | 5,604 |
Destination | 875 | 875 | 875 | 875 | 1,350 | 1,350 | 1,350 | 1,350 |
Gas Tax | 1,300 | 2,600 | 2,600 | 2,600 | 0 | 0 | 0 | 0 |
Total Price | $104,485 | $140,515 | $139,115 | $194,515 | $131,485 | $147,385 | $194,675 | $224,240 |
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Lowest Adjusted Price: Mercedes-Benz SL SL550 | ||||||||
Lowest Adjusted Invoice: Porsche 911 Turbo S | ||||||||
TrueDelta Adjusted Price Difference: $29,745 | ||||||||
TrueDelta Adjusted Invoice Difference: $87,582 | ||||||||
Model Year | 2008 | 2008 | 2008 | 2008 | 2021 | 2021 | 2021 | 2021 |
Model | SL | SL | SL | SL | 911 | 911 | 911 | 911 |
Trim | SL550 | SL600 | SL55 AMG | SL65 AMG | Carrera | Carrera S | Turbo | Turbo S |
Body | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible |
Engine | 382hp V8 | 510hp V12 | 510hp V8 | 604hp V12 | 379hp H6 | 443hp H6 | 572hp H6 | 640hp H6 |
Transmission | T7 | T5 | T5 | T5 | S8 | M7 | S8 | S8 |
Drivetrain | RWD | RWD | RWD | RWD | RWD | RWD | AWD | AWD |
EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG |
Audio (watts, speakers) | 250, 8 | 250, 8 | 250, 8 | 250, 8 | ?, 8 | ?, 8 | 555, 12 | 555, 12 |
Tire (rear if not all the same) | 255/40-18 | 255/40-18 | 255/35-19 | 255/35-19 | 235/40-19 | 245/35-20 | 255/35-20 | 255/35-20 |
Total Price | $104,485 | $140,515 | $139,115 | $194,515 | $131,485 | $147,385 | $194,675 | $224,240 |
Adjustments for Features | -3,345 | -4,145 | -3,895 | -4,245 | -600 | 0 | -5,900 | -10,600 |
Feature-Adjusted Total Price | $101,140 | $136,370 | $135,220 | $190,270 | $130,885 | $147,385 | $188,775 | $213,640 |
Cost Above Minimum | $0 | $35,230 | $34,080 | $89,130 | $0 | $16,500 | $57,890 | $82,755 |
Model Year | 2008 | 2008 | 2008 | 2008 | 2021 | 2021 | 2021 | 2021 |
Model | SL | SL | SL | SL | 911 | 911 | 911 | 911 |
Trim | SL550 | SL600 | SL55 AMG | SL65 AMG | Carrera | Carrera S | Turbo | Turbo S |
Body | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible |
Transmission and Drivetrain | ||||||||
7-speed manually-shiftable automatic | $1200 | |||||||
5-speed manually-shiftable automatic | $1000 | $1000 | $1000 | |||||
8-speed automated manual | $1300 | $1300 | $1300 | |||||
7-speed manual | $300 | |||||||
RWD | $0 | $0 | $0 | $0 | $0 | $0 | ||
AWD | $1700 | $1700 | ||||||
Accessories | ||||||||
Adaptive cruise control | $600 | $600 | $600 | $600 | ||||
Adaptive cruise control, all-speed | $850 | $850 | $850 | $850 | ||||
Power trunk closer | $350 | $350 | ||||||
Remote app | $25 | $25 | $25 | $25 | ||||
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 | ||||
Automatic braking, high-speed or partial | $200 | $200 | $200 | $200 | ||||
Ceramic brake rotors | $4000 | |||||||
Forward collision warning | $200 | $200 | $200 | $200 | ||||
Knee airbag, passenger | $75 | $75 | $75 | $75 | ||||
Radar- or camera-based collision preparation system | $0 | $0 | $0 | $0 | ||||
Rearview camera | $200 | $200 | $200 | $200 | ||||
Secondary collision brake assist | $25 | $25 | $25 | $25 | ||||
Side curtain airbags | $350 | $350 | $350 | $350 | ||||
Temporary spare tire | $150 | $150 | $150 | $150 | ||||
Torque vectoring, brake-based | $100 | $100 | $100 | |||||
Cargo Management | ||||||||
Air-conditioned storage compartment | $50 | $50 | $50 | $50 | ||||
Storage compartment under front seat(s) | $50 | $50 | $50 | $50 | ||||
Climate Control | ||||||||
Water-repellent front-door glass | $15 | $15 | $15 | $15 | ||||
Wiper de-icer | $25 | $25 | $25 | $25 | ||||
Drivetrain | ||||||||
Electronically-variable engine mounts (performance-oriented) | $500 | $500 | ||||||
Limited-slip rear differential | $300 | $300 | $300 | |||||
Engine / Motor | ||||||||
Automatic start / stop | $150 | $150 | $150 | $150 | ||||
Rear-engine configuration | $0 | $0 | $0 | $0 | ||||
Regenerative braking | $0 | $0 | $0 | $0 | ||||
Exterior | ||||||||
Active front spoiler | $500 | $500 | ||||||
Active grille shutters | $0 | $0 | $0 | $0 | ||||
Active rear spoiler | $300 | $300 | $300 | $300 | ||||
Body kit | $0 | $0 | $0 | $0 | $0 | $0 | ||
Painted brake calipers (optional) | $0 | $0 | $0 | |||||
Power convertible top | $4000 | $4000 | $4000 | $4000 | ||||
Power retractable hardtop | $6750 | $6750 | $6750 | $6750 | ||||
Retractable rear spoiler | $400 | $400 | ||||||
Tall rear wing-type spoiler | $500 | $500 | ||||||
Infotainment | ||||||||
4G LTE connectivity | $0 | $0 | $0 | $0 | ||||
App support | $0 | $0 | $0 | $0 | ||||
Apple CarPlay support | $100 | $100 | $100 | $100 | ||||
Audio controls on steering wheel | $125 | $125 | $125 | $125 | ||||
Aux input | $50 | $50 | $50 | $50 | ||||
Bluetooth audio streaming | $25 | $25 | $25 | $25 | ||||
CD changer, remote | $200 | $200 | $200 | $200 | ||||
DVD-Audio-compatible player | $0 | $0 | $0 | $0 | ||||
Handwriting recognition | $200 | $200 | $200 | $200 | ||||
HD radio | $50 | $50 | $50 | $50 | ||||
In-vehicle Internet | $150 | $150 | $150 | $150 | ||||
Media drive | $15 | $15 | $15 | $15 | ||||
Navigation map updates, three years | $0 | $0 | $0 | $0 | ||||
Off-road navigation system | $0 | $0 | $0 | $0 | ||||
SD Card slot | $25 | $25 | $25 | $25 | ||||
Surround sound | $250 | $250 | $250 | $250 | $250 | $250 | ||
Traffic information | $25 | $25 | $25 | $25 | ||||
USB port | $25 | $25 | $25 | $25 | ||||
Wi-Fi hotspot | $50 | $50 | $50 | $50 | ||||
Instruments, Lights, and Mirrors | ||||||||
Auto-dimming headlights | $200 | $200 | $200 | |||||
Auto-dimming passenger-side mirror | $75 | $75 | $75 | $75 | ||||
Boost gauge | $75 | $75 | $75 | $75 | ||||
Chronometer | $100 | $100 | ||||||
Fog lights | $125 | $125 | $125 | $125 | ||||
LED headlights | $1000 | $1000 | $1000 | $1000 | ||||
Mirror tilt-down in reverse | $25 | $25 | $25 | $25 | ||||
Performance meter | $150 | $150 | ||||||
Steering-linked headlights | $150 | $150 | $150 | $150 | ||||
Turn signals on or near mirrors | $25 | $25 | $25 | $25 | ||||
Xenon HID headlights | $500 | $500 | $500 | $500 | ||||
Seats and Interior Trim | ||||||||
Folding second row seats w/o opening to trunk | $75 | $75 | $75 | $75 | ||||
Leather-wrapped steering wheel | $150 | |||||||
Memory system, passenger seat | $150 | $150 | $150 | $150 | ||||
No leather in second row | $-300 | $-300 | $-300 | $-300 | ||||
Power headrest height adjuster, driver seat | $50 | $50 | $50 | $50 | ||||
Power headrest height adjuster, passenger seat | $50 | $50 | $50 | $50 | ||||
Power thigh bolsters, driver seat | $100 | $100 | $100 | $100 | ||||
Power thigh bolsters, passenger seat | $100 | $100 | $100 | $100 | ||||
Synthetic suede headliner | $650 | $650 | $650 | |||||
Synthetic suede steering wheel | $150 | $150 | $150 | $150 | $150 | $150 | ||
Wood/leather-wrapped steering wheel | $150 | |||||||
Suspension, Wheels, and Tires | ||||||||
Active stabilizer bars | $500 | |||||||
Adaptive dampers - electrical | $500 | $500 | $500 | $500 | ||||
Adaptive hydraulic struts, auto-leveling and ht. adjustable | $4000 | $4000 | $4000 | $4000 | ||||
Alloy wheels | $350 | $350 | $350 | $350 | $350 | $350 | $350 | |
Electronic systems calibration selector | $200 | $200 | ||||||
Polished alloy wheels | $350 | |||||||
Rear wheel steering | $1500 | $1500 | ||||||
Sport suspension (upgrade) | $0 | $0 | ||||||
Transmission | ||||||||
Steering-wheel-mounted transmission controls | $100 | $100 | $100 | $100 | ||||
Total Value of Features | $14,625 | $15,425 | $15,175 | $15,525 | $11,880 | $11,280 | $17,180 | $21,880 |
Value of Feature Adjustments | $3,345 | $4,145 | $3,895 | $4,245 | $600 | $0 | $5,900 | $10,600 |
Value of Feature Adjustments | -3,116 | -3,862 | -3,629 | -3,953 | -77 | 0 | -292 | -329 |
Model Year | 2008 | 2021 |
Model | SL | 911 |
Body | 2dr Hardtop conv. | 2dr Convertible |
Wheelbase | 100.8 in | 96.5 in |
Length | 178.5 in | 177.9 in |
Width | 71.5 in | 72.9 in |
Height | 51.0 in | 51.1 in |
Curb Weight | 4,221 lb. | 3,509 lb. |
Fuel Capacity | 21.1 gal. | 16.9 gal. |
Row 1 Headroom | 37.7 in | 0.0 in |
Row 1 Shoulder Room | 54.0 in | 0.0 in |
Row 1 Hip Room | 53.9 in | 0.0 in |
Row 1 Legroom | 42.9 in | 0.0 in |
Cargo Volume, Minimum | 7.3 ft3 | 4.6 ft3 |
Cargo Volume, Maximum | 10.2 ft3 | 4.6 ft3 |
Premium I Package | ||
Feature | Value | Requested? |
Cooled or ventilated front seats | 300 | Yes |
Cornering lights | 50 | Yes |
Proximity key | 250 | Yes |
Power 4-way lumbar adjuster, driver seat | 50 | Yes |
Power seatback bolsters, driver | 100 | Yes |
Power 4-way lumbar adjuster, passenger seat | 50 | Yes |
Power seatback bolsters, passenger seat | 100 | Yes |
Front sport buckets | 100 | Yes |
Total Requested | 1000 | 100% |
Total Not Requested | 0 | 0% |
Premium I Package | ||
Feature | Value | Requested? |
Cooled or ventilated front seats | 300 | Yes |
Cornering lights | 50 | Yes |
Proximity key | 250 | Yes |
Total Requested | 600 | 100% |
Total Not Requested | 0 | 0% |
Adaptive cruise control, all-speed | ||
Feature | Value | Requested? |
Adaptive cruise control, all-speed | 700 | No |
Radar- or camera-based collision preparation system | 0 | No |
Automatic braking, high-speed or partial | 200 | No |
Forward collision warning | 200 | No |
Total Requested | 0 | 0% |
Total Not Requested | 1100 | 100% |
Upholstered instrument panel, leather | ||
Feature | Value | Requested? |
Upholstered instrument panel, leather | 1000 | Yes |
Leather upholstery, extended coverage | 0 | No |
Total Requested | 1000 | 100% |
Total Not Requested | 0 | 0% |
Adaptive sport seats plus | ||
Feature | Value | Requested? |
Power thigh bolsters, driver seat | 100 | No |
Power seatback bolsters, driver seat | 100 | Yes |
Power thigh bolsters, passenger seat | 100 | No |
Power seatback bolsters, passenger seat | 100 | Yes |
Front sport buckets | 100 | Yes |
Memory system, driver seat | 200 | Yes |
Power tilt adjuster, passenger seat | 100 | Yes |
Tilt/telescoping steering wheel, power | 100 | Yes |
Power fore-aft adjuster, driver seat | 100 | Yes |
Power tilt adjuster, driver seat | 100 | Yes |
Power 4-way lumbar adjuster, driver seat | 150 | Yes |
Power thigh support length adjuster, driver seat | 100 | Yes |
Power fore-aft adjuster, passenger seat | 100 | Yes |
Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
Power thigh support length adjuster, passenger seat | 100 | Yes |
Total Requested | 1500 | 88% |
Total Not Requested | 200 | 12% |
Premium Package Plus | ||
Feature | Value | Requested? |
Cooled or ventilated front seats | 300 | Yes |
Auto-dimming headlights | 200 | No |
Proximity key | 250 | Yes |
Interior ambient lighting | 150 | Yes |
LED headlights | 500 | No |
Heated front seats | 200 | Yes |
Steering-linked headlights | 150 | No |
Headlight washers | 50 | Yes |
Cornering lights | 50 | Yes |
Memory system, driver seat | 200 | Yes |
Power tilt adjuster, passenger seat | 100 | Yes |
Tilt/telescoping steering wheel, power | 100 | Yes |
Power fore-aft adjuster, driver seat | 100 | Yes |
Power tilt adjuster, driver seat | 100 | Yes |
Power 4-way lumbar adjuster, driver seat | 150 | Yes |
Power thigh support length adjuster, driver seat | 100 | Yes |
Power fore-aft adjuster, passenger seat | 100 | Yes |
Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
Power thigh support length adjuster, passenger seat | 100 | Yes |
Auto-dimming rearview mirror | 150 | Yes |
Auto-dimming driver-side mirror | 75 | Yes |
Auto-dimming passenger-side mirror | 75 | No |
Total Requested | 2425 | 72% |
Total Not Requested | 925 | 28% |
Adaptive cruise control, all-speed | ||
Feature | Value | Requested? |
Adaptive cruise control, all-speed | 700 | No |
Radar- or camera-based collision preparation system | 0 | No |
Automatic braking, high-speed or partial | 200 | No |
Forward collision warning | 200 | No |
Total Requested | 0 | 0% |
Total Not Requested | 1100 | 100% |
Upholstered instrument panel, leather | ||
Feature | Value | Requested? |
Upholstered instrument panel, leather | 1000 | Yes |
Leather upholstery, extended coverage | 0 | No |
Total Requested | 1000 | 100% |
Total Not Requested | 0 | 0% |
Adaptive sport seats plus | ||
Feature | Value | Requested? |
Power thigh bolsters, driver seat | 100 | No |
Power seatback bolsters, driver seat | 100 | Yes |
Power thigh bolsters, passenger seat | 100 | No |
Power seatback bolsters, passenger seat | 100 | Yes |
Front sport buckets | 100 | Yes |
Memory system, driver seat | 200 | Yes |
Power tilt adjuster, passenger seat | 100 | Yes |
Tilt/telescoping steering wheel, power | 100 | Yes |
Power fore-aft adjuster, driver seat | 100 | Yes |
Power tilt adjuster, driver seat | 100 | Yes |
Power 4-way lumbar adjuster, driver seat | 150 | Yes |
Power thigh support length adjuster, driver seat | 100 | Yes |
Power fore-aft adjuster, passenger seat | 100 | Yes |
Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
Power thigh support length adjuster, passenger seat | 100 | Yes |
Total Requested | 1500 | 88% |
Total Not Requested | 200 | 12% |
Premium Package Plus | ||
Feature | Value | Requested? |
Cooled or ventilated front seats | 300 | Yes |
Auto-dimming headlights | 200 | No |
Proximity key | 250 | Yes |
Interior ambient lighting | 150 | Yes |
LED headlights | 500 | No |
Heated front seats | 200 | Yes |
Steering-linked headlights | 150 | No |
Headlight washers | 50 | Yes |
Cornering lights | 50 | Yes |
Memory system, driver seat | 200 | Yes |
Power tilt adjuster, passenger seat | 100 | Yes |
Tilt/telescoping steering wheel, power | 100 | Yes |
Power fore-aft adjuster, driver seat | 100 | Yes |
Power tilt adjuster, driver seat | 100 | Yes |
Power 4-way lumbar adjuster, driver seat | 150 | Yes |
Power thigh support length adjuster, driver seat | 100 | Yes |
Power fore-aft adjuster, passenger seat | 100 | Yes |
Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
Power thigh support length adjuster, passenger seat | 100 | Yes |
Auto-dimming rearview mirror | 150 | Yes |
Auto-dimming driver-side mirror | 75 | Yes |
Auto-dimming passenger-side mirror | 75 | No |
Total Requested | 2425 | 72% |
Total Not Requested | 925 | 28% |
Adaptive cruise control, all-speed | ||
Feature | Value | Requested? |
Adaptive cruise control, all-speed | 700 | No |
Radar- or camera-based collision preparation system | 0 | No |
Automatic braking, high-speed or partial | 200 | No |
Forward collision warning | 200 | No |
Total Requested | 0 | 0% |
Total Not Requested | 1100 | 100% |
Adaptive sport seats plus | ||
Feature | Value | Requested? |
Power thigh bolsters, driver seat | 100 | No |
Power seatback bolsters, driver seat | 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% |
Adaptive cruise control, all-speed | ||
Feature | Value | Requested? |
Adaptive cruise control, all-speed | 700 | No |
Radar- or camera-based collision preparation system | 0 | No |
Automatic braking, high-speed or partial | 200 | No |
Forward collision warning | 200 | No |
Total Requested | 0 | 0% |
Total Not Requested | 1100 | 100% |