| 1 | 0 | 3 | 4 | 3 | 4 |
Mercedes-Benz SL vs. Audi A6 / S6 / RS6 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.
Mercedes-Benz SL vs. Audi A6 / S6 / RS6 Invoice Comparison
Lowest Total Price: $81,550 Audi A6 / S6 / RS6 S6 4.0 TFSI | |||||
| Difference: $21,115 | |||||
Lowest Total Invoice: $75,915 Audi A6 / S6 / RS6 S6 4.0 TFSI | |||||
| Difference: $19,630 | |||||
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| Model Year | 2017 | 2017 | 2017 | 2017 | 2018 |
| Model | SL | SL | SL | SL | A6 / S6 / RS6 |
| Trim | SL450 | SL550 | AMG SL63 | AMG SL65 | S6 4.0 TFSI |
| Body | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 4dr Sedan |
| Base Price | $86,950 | $110,800 | $151,350 | $219,850 | $71,900 |
| Base Invoice | $80,864 | $103,044 | $140,756 | $204,461 | $66,868 |
| Premium Package | 5,050 | ||||
| Driver Assistance Package | 2,250 | 2,250 | 2,250 | 2,000 | |
| Wood trim, alternative type | 1,500 | 1,500 | 1,500 | 1,500 | 1,250 |
| Synthetic suede headliner | 1,000 | 1,000 | 3,000 | ||
| Upgraded leather upholstery | 900 | 900 | |||
| Adaptive hydraulic struts, auto-leveling and ht. adjustable | 4,090 | 4,090 | |||
| Comfort Seating Package | 1,850 | ||||
| Metallic paint (extra cost) | 575 | ||||
| Premium Package | 4,697 | ||||
| Driver Assistance Package | 2,093 | 2,093 | 2,093 | 1,860 | |
| Wood trim, alternative type | 1,395 | 1,395 | 1,395 | 1,395 | 1,164 |
| Synthetic suede headliner | 930 | 930 | 2,790 | ||
| Upgraded leather upholstery | 837 | 837 | |||
| Adaptive hydraulic struts, auto-leveling and ht. adjustable | 3,804 | 3,804 | |||
| Comfort Seating Package | 1,722 | ||||
| Metallic paint (extra cost) | 536 | ||||
| Options (change) | 14,790 | 9,740 | 3,750 | 1,500 | 8,675 |
| Options (change) | 13,756 | 9,059 | 3,488 | 1,395 | 8,072 |
| Destination | 925 | 925 | 925 | 925 | 975 |
| Gas Tax | 0 | 0 | 0 | 1,300 | 0 |
| Total Price | $102,665 | $121,465 | $156,025 | $223,575 | $81,550 |
| Total Invoice | $95,545 | $113,028 | $145,169 | $208,081 | $75,915 |
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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 Mercedes-Benz SL dealer quotes or Audi A6 / S6 / RS6 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: Mercedes-Benz SL vs. Audi A6 / S6 / RS6
| Lowest Adjusted Price and Invoice: Audi A6 / S6 / RS6 S6 4.0 TFSI | |||||
| TrueDelta Adjusted Price Difference: $9,430 | |||||
| TrueDelta Adjusted Invoice Difference: $8,755 | |||||
| Model Year | 2017 | 2017 | 2017 | 2017 | 2018 |
| Model | SL | SL | SL | SL | A6 / S6 / RS6 |
| Trim | SL450 | SL550 | AMG SL63 | AMG SL65 | S6 4.0 TFSI |
| Body | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 4dr Sedan |
| Engine | 362hp V6 | 449hp V8 | 577hp V8 | 621hp V12 | 450hp V8 |
| Transmission | T9 | T9 | T7 | T7 | S7 |
| Drivetrain | RWD | RWD | RWD | RWD | AWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 600, 11 | 600, 11 | 600, 11 | 900, 12 | 630, 14 |
| Tire (rear if not all the same) | 255/35-19 | 255/35-19 | 255/35-19 | 255/35-19 | 255/35-20 |
| Total Price | $102,665 | $121,465 | $156,025 | $223,575 | $81,550 |
| Adjustments for Features | -11,685 | -11,685 | -12,010 | -14,210 | 0 |
| Feature-Adjusted Total Price | $90,980 | $109,780 | $144,015 | $209,365 | $81,550 |
| Cost Above Minimum | $0 | $18,800 | $53,035 | $118,385 | $0 |
| Total Invoice | $95,545 | $113,028 | $145,169 | $208,081 | $75,915 |
| Adjustments for Features | -10,875 | -10,873 | -11,174 | -13,225 | 0 |
| Feature-Adjusted Total Invoice | $84,670 | $102,155 | $133,995 | $194,856 | $75,915 |
| Cost Above Minimum | $0 | $17,485 | $49,325 | $110,186 | $0 |
Features Comparison: Mercedes-Benz SL vs. Audi A6 / S6 / RS6
| Model Year | 2017 | 2017 | 2017 | 2017 | 2018 |
| Model | SL | SL | SL | SL | A6 / S6 / RS6 |
| Trim | SL450 | SL550 | AMG SL63 | AMG SL65 | S6 4.0 TFSI |
| Body | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 4dr Sedan |
| Transmission and Drivetrain | |||||
| 9-speed manually-shiftable automatic | $1400 | $1400 | |||
| 7-speed manually-shiftable automatic | $1200 | $1200 | |||
| 7-speed automated manual | $1200 | ||||
| RWD | $0 | $0 | $0 | $0 | |
| AWD | $1700 | ||||
| Accessories | |||||
| Hands-free trunk or liftgate | $100 | $100 | $100 | $100 | |
| Power door closers | $300 | ||||
| Power rear side windows | $200 | ||||
| Power trunk closer | $350 | $350 | $350 | $350 | |
| Remote app | $25 | $25 | $25 | $25 | |
| Remote window/roof operation | $15 | $15 | $15 | $15 | |
| Semi-automated parking system | $500 | $500 | $500 | $500 | |
| Wind blocker, power small | $300 | $300 | $300 | $300 | |
| Brakes, Airbags, and Other Safety | |||||
| Active or whiplash-reducing head restraints, front seats | $0 | $0 | $0 | $0 | |
| Auto-raising roll bars / headrests | $500 | $500 | $500 | $500 | |
| Automatic braking, high-speed or partial | $200 | $200 | $200 | $200 | |
| Blind spot collision prevention | $150 | $150 | $150 | $150 | |
| Cross-traffic detection for collision preparation system | $0 | $0 | $0 | $0 | |
| Cross-traffic warning, rear | $100 | $100 | $100 | $100 | |
| Driver drowsiness monitor | $150 | $150 | $150 | $150 | |
| Lane departure prevention, steering-based | $200 | ||||
| Lane keeping assist | $400 | $400 | $400 | $400 | |
| Pedestrian detection | $50 | $50 | $50 | $50 | |
| Rollover sensor | $50 | ||||
| Secondary collision brake assist | $25 | ||||
| Temporary spare tire | $150 | ||||
| Tires, run-flat | $150 | $150 | |||
| Torque vectoring, brake-based | $100 | $100 | $100 | $100 | |
| Cargo Management | |||||
| Air-conditioned storage compartment | $50 | $50 | $50 | $50 | |
| Cargo net | $40 | ||||
| Rear seat pass-through | $100 | ||||
| Storage compartment under front seat(s) | $50 | $50 | $50 | $50 | |
| Climate Control | |||||
| Adaptive windshield washer system | $0 | $0 | $0 | $0 | |
| Heated washer fluid system | $50 | $50 | $50 | $50 | |
| Heated windshield washer nozzles | $15 | ||||
| Rear air vents with automatic controls | $250 | ||||
| Rear dual-zone climate control | $125 | ||||
| Washer fluid outlets in wiper blade | $100 | $100 | $100 | $100 | |
| Wiper de-icer | $25 | $25 | $25 | $25 | |
| Drivetrain | |||||
| Limited-slip rear differential | $300 | $300 | |||
| Engine / Motor | |||||
| Raised top speed limiter | $0 | $0 | |||
| Regenerative braking | $0 | ||||
| Exterior | |||||
| Electronically-variable tint, sunroof or glass roof panel | $2000 | ||||
| Glass roof panel(s) | $300 | $300 | $300 | $300 | |
| Laminated front side windows | $200 | ||||
| Power retractable hardtop | $6750 | $6750 | $6750 | $6750 | |
| Rear spoiler | $200 | $200 | |||
| Sunroof | $900 | ||||
| Infotainment | |||||
| 4G LTE connectivity | $0 | ||||
| App support | $0 | $0 | $0 | $0 | |
| Handwriting recognition | $200 | ||||
| iPod integration | $100 | $100 | $100 | $100 | |
| Navigation map updates, three years | $0 | $0 | $0 | $0 | |
| SMS text-to-speech reader | $25 | $25 | $25 | $25 | |
| Telematics service, such as OnStar, with navigation | $225 | $225 | $225 | $225 | |
| USB port | $25 | ||||
| Instruments, Lights, and Mirrors | |||||
| Analog clock | $25 | $25 | |||
| Auto-dimming passenger-side mirror | $75 | ||||
| Chronometer | $100 | $100 | |||
| Compass | $0 | ||||
| Cornering lights | $50 | $50 | $50 | $50 | |
| Interior ambient lighting | $150 | ||||
| Interior ambient lighting, configurable | $150 | $150 | $150 | $150 | |
| Power-folding mirrors | $50 | ||||
| Steering-linked headlights | $150 | $150 | $150 | $150 | |
| Seats and Interior Trim | |||||
| Automatic seat bolsters, driver | $300 | $300 | $300 | $300 | |
| Automatic seat bolsters, front passenger | $300 | $300 | $300 | $300 | |
| Center armrest(s), second row | $50 | ||||
| Folding second row seats | $300 | ||||
| Neck-level heating, front seats | $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 seatback bolsters, driver seat | $100 | ||||
| Power seatback bolsters, passenger seat | $100 | ||||
| Power thigh bolsters, driver seat | $100 | ||||
| Power thigh bolsters, passenger seat | $100 | ||||
| Upholstered instrument panel, leather | $1000 | $1000 | $1000 | $1000 | |
| Suspension, Wheels, and Tires | |||||
| Active curve tilting | $1000 | $1000 | $1000 | $1000 | |
| Adaptive hydraulic struts, auto-leveling and ht. adjustable | $4000 | $4000 | $4000 | $4000 | |
| Air suspension, auto-leveling and height adjustable | $1000 | ||||
| Sport suspension (upgrade) | $0 | $0 | |||
| Ultra-sport suspension (upgrade) | $0 | ||||
| Transmission | |||||
| Launch control | $100 | ||||
| Total Value of Features | $19,090 | $19,090 | $19,415 | $21,615 | $7,405 |
| Value of Feature Adjustments | $11,685 | $11,685 | $12,010 | $14,210 | $0 |
| Value of Feature Adjustments | -10,875 | -10,873 | -11,174 | -13,225 | 0 |
Specifications Comparison: Mercedes-Benz SL vs. Audi A6 / S6 / RS6
| Model Year | 2017 | 2018 |
| Model | SL | A6 / S6 / RS6 |
| Body | 2dr Hardtop conv. | 4dr Sedan |
| Wheelbase | 101.7 in | 114.6 in |
| Length | 182.3 in | 194.2 in |
| Width | 73.9 in | 73.8 in |
| Height | 51.2 in | 57.8 in |
| Curb Weight | 3,827 lb. | 3,804 lb. |
| Fuel Capacity | 19.8 gal. | 19.8 gal. |
| Row 1 Headroom | 39.1 in | 37.2 in |
| Row 1 Shoulder Room | 55.5 in | 57.5 in |
| Row 1 Legroom | 42.9 in | 41.3 in |
| Row 2 Headroom | 0.0 in | 37.8 in |
| Row 2 Shoulder Room | 0.0 in | 56.3 in |
| Row 2 Legroom | 0.0 in | 37.4 in |
| Cargo Volume, Minimum | 8.5 ft3 | 14.1 ft3 |
| Cargo Volume, Maximum | 13.5 ft3 | 14.1 ft3 |
Option Package Details
Mercedes-Benz SL SL450
| Premium Package | ||
| Feature | Value | Requested? |
| Cooled or ventilated front seats | 300 | Yes |
| Automatic seat bolsters, driver | 300 | No |
| Automatic seat bolsters, front passenger | 300 | No |
| Massage, driver seat | 100 | Yes |
| Massage, passenger seat | 100 | Yes |
| Obstacle detection, front | 150 | Yes |
| Obstacle detection, rear | 250 | Yes |
| Rearview camera | 200 | Yes |
| Power decklid | 350 | No |
| Proximity key | 250 | Yes |
| Neck-level heating, front seats | 150 | No |
| Semi-automated parking system | 500 | No |
| Hands-free trunk or liftgate | 100 | No |
| Total Requested | 1350 | 44% |
| Total Not Requested | 1700 | 56% |
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Speed limit information | 0 | No |
| Cross-traffic detection for collision preparation system | 0 | No |
| Pedestrian detection | 50 | No |
| Lane keeping assist system | 400 | Yes |
| Rear cross-traffic detection | 100 | No |
| Collision preparation system, rear | 100 | Yes |
| Blind spot warning system | 200 | Yes |
| Blind spot intervention | 150 | No |
| Radar- or camera-based collision preparation system | 0 | Yes |
| Lane departure warning system | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | Yes |
| Total Requested | 1600 | 84% |
| Total Not Requested | 300 | 16% |
Option Package Details
Mercedes-Benz SL SL550
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Speed limit information | 0 | No |
| Cross-traffic detection for collision preparation system | 0 | No |
| Pedestrian detection | 50 | No |
| Lane keeping assist system | 400 | Yes |
| Rear cross-traffic detection | 100 | No |
| Collision preparation system, rear | 100 | Yes |
| Blind spot warning system | 200 | Yes |
| Blind spot intervention | 150 | No |
| Radar- or camera-based collision preparation system | 0 | Yes |
| Lane departure warning system | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | Yes |
| Total Requested | 1600 | 84% |
| Total Not Requested | 300 | 16% |
Option Package Details
Mercedes-Benz SL AMG SL63
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Speed limit information | 0 | No |
| Cross-traffic detection for collision preparation system | 0 | No |
| Pedestrian detection | 50 | No |
| Lane keeping assist system | 400 | Yes |
| Rear cross-traffic detection | 100 | No |
| Collision preparation system, rear | 100 | Yes |
| Blind spot warning system | 200 | Yes |
| Blind spot intervention | 150 | No |
| Radar- or camera-based collision preparation system | 0 | Yes |
| Lane departure warning system | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | Yes |
| Total Requested | 1600 | 84% |
| Total Not Requested | 300 | 16% |
Option Package Details
Audi A6 / S6 / RS6 S6 4.0 TFSI
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Auto-dimming headlights | 200 | Yes |
| Radar- or camera-based collision preparation system | 0 | Yes |
| Lane departure warning | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | Yes |
| Automatic braking, low-speed | 200 | Yes |
| Forward collision warning | 200 | Yes |
| Lane departure prevention, steering-based | 200 | Yes |
| Total Requested | 1700 | 100% |
| Total Not Requested | 0 | 0% |
| Comfort Seating Package | ||
| Feature | Value | Requested? |
| Cooled or ventilated front seats | 300 | Yes |
| Power thigh support length adjuster, driver seat | 100 | Yes |
| Power thigh bolsters, driver seat | 100 | No |
| Power seatback bolsters, driver seat | 100 | Yes |
| Power thigh support length adjuster, passenger seat | 100 | Yes |
| Power thigh bolsters, passenger seat | 100 | No |
| Power seatback bolsters, passenger seat | 100 | Yes |
| Memory system, passenger seat | 150 | Yes |
| Massage, driver seat | 100 | Yes |
| Massage, passenger seat | 100 | Yes |
| Total Requested | 1050 | 84% |
| Total Not Requested | 200 | 16% |
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