| 1 | 0 | 3 | 4 | 3 | 4 |
Audi A6 / S6 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.
Audi A6 / S6 vs. Mercedes-Benz SL Invoice Comparison
Lowest Total Price: $78,300 Audi A6 / S6 S6 4.0 TFSI | |||||
| Difference: $23,985 | |||||
Lowest Total Invoice: $72,891 Audi A6 / S6 S6 4.0 TFSI | |||||
| Difference: $22,386 | |||||
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| Model Year | 2018 | 2008 | 2008 | 2008 | 2008 |
| Model | A6 / S6 | SL | SL | SL | SL |
| Trim | S6 4.0 TFSI | SL550 | SL600 | SL55 AMG | SL65 AMG |
| Body | 4dr Sedan | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Base Price | $71,900 | $95,300 | $133,200 | $129,300 | $187,200 |
| Base Invoice | $66,868 | $88,629 | $123,876 | $120,249 | $174,096 |
| Comfort Seating Package | 1,850 | ||||
| Metallic paint (extra cost) | 575 | ||||
| Synthetic suede headliner | 3,000 | ||||
| Premium I Package | 3,170 | 2,500 | |||
| Obstacle detection, rear | 1,130 | 1,130 | 1,130 | 1,130 | |
| Voice control for nav and audio | 510 | 510 | 510 | 510 | |
| Wood trim | 0 | 0 | |||
| Comfort Seating Package | 1,722 | ||||
| Metallic paint (extra cost) | 536 | ||||
| Synthetic suede headliner | 2,790 | ||||
| Premium I Package | 2,948 | 2,325 | |||
| Obstacle detection, rear | 1,051 | 1,051 | 1,051 | 1,051 | |
| Voice control for nav and audio | 474 | 474 | 474 | 474 | |
| Wood trim | 0 | 0 | |||
| Options (change) | 5,425 | 4,810 | 1,640 | 4,140 | 1,640 |
| Options (change) | 5,048 | 4,473 | 1,525 | 3,850 | 1,525 |
| Destination | 975 | 875 | 875 | 875 | 875 |
| Gas Tax | 0 | 1,300 | 2,600 | 2,600 | 2,600 |
| Total Price | $78,300 | $102,285 | $138,315 | $136,915 | $192,315 |
| Total Invoice | $72,891 | $95,277 | $128,876 | $127,574 | $179,096 |
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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 Audi A6 / S6 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: Audi A6 / S6 vs. Mercedes-Benz SL
| Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI | |||||
| TrueDelta Adjusted Price Difference: $20,475 | |||||
| TrueDelta Adjusted Invoice Difference: $19,116 | |||||
| Model Year | 2018 | 2008 | 2008 | 2008 | 2008 |
| Model | A6 / S6 | SL | SL | SL | SL |
| Trim | S6 4.0 TFSI | SL550 | SL600 | SL55 AMG | SL65 AMG |
| Body | 4dr Sedan | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Engine | 450hp V8 | 382hp V8 | 510hp V12 | 510hp V8 | 604hp V12 |
| Transmission | S7 | T7 | T5 | T5 | T5 |
| Drivetrain | AWD | RWD | RWD | RWD | RWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 630, 14 | 250, 8 | 250, 8 | 250, 8 | 250, 8 |
| Tire (rear if not all the same) | 255/35-20 | 255/40-18 | 255/40-18 | 255/35-19 | 255/35-19 |
| Total Price | $78,300 | $102,285 | $138,315 | $136,915 | $192,315 |
| Adjustments for Features | 0 | -3,510 | -4,310 | -4,060 | -4,410 |
| Feature-Adjusted Total Price | $78,300 | $98,775 | $134,005 | $132,855 | $187,905 |
| Cost Above Minimum | $0 | $0 | $35,230 | $34,080 | $89,130 |
| Total Invoice | $72,891 | $95,277 | $128,876 | $127,574 | $179,096 |
| Adjustments for Features | 0 | -3,270 | -4,016 | -3,783 | -4,107 |
| Feature-Adjusted Total Invoice | $72,891 | $92,007 | $124,860 | $123,791 | $174,989 |
| Cost Above Minimum | $0 | $0 | $32,853 | $31,784 | $82,982 |
Features Comparison: Audi A6 / S6 vs. Mercedes-Benz SL
| Model Year | 2018 | 2008 | 2008 | 2008 | 2008 |
| Model | A6 / S6 | SL | SL | SL | SL |
| Trim | S6 4.0 TFSI | SL550 | SL600 | SL55 AMG | SL65 AMG |
| Body | 4dr Sedan | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Transmission and Drivetrain | |||||
| 7-speed automated manual | $1200 | ||||
| 7-speed manually-shiftable automatic | $1200 | ||||
| 5-speed manually-shiftable automatic | $1000 | $1000 | $1000 | ||
| AWD | $1700 | ||||
| RWD | $0 | $0 | $0 | $0 | |
| Accessories | |||||
| Power rear side windows | $200 | ||||
| Power trunk closer | $350 | $350 | |||
| Remote window/roof operation | $15 | $15 | $15 | $15 | |
| Wind blocker, small | $100 | $100 | $100 | $100 | |
| 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 | |
| Blind spot warning system | $200 | ||||
| Collision preparation system, rear | $100 | ||||
| Knee airbag, passenger | $75 | ||||
| Rearview camera | $200 | ||||
| Rollover sensor | $50 | ||||
| Secondary collision brake assist | $25 | ||||
| Side curtain airbags | $350 | ||||
| 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 | |||||
| Rear air vents with automatic controls | $250 | ||||
| Rear dual-zone climate control | $125 | ||||
| Wiper de-icer | $25 | $25 | $25 | $25 | |
| Engine / Motor | |||||
| Automatic start / stop | $150 | ||||
| Dual-mode exhaust, switchable | $500 | ||||
| Regenerative braking | $0 | ||||
| Exterior | |||||
| Body kit | $0 | $0 | |||
| Laminated front side windows | $200 | ||||
| Power retractable hardtop | $6750 | $6750 | $6750 | $6750 | |
| Sunroof | $900 | ||||
| Infotainment | |||||
| 4G LTE connectivity | $0 | ||||
| Android Auto support | $100 | ||||
| Apple CarPlay support | $100 | ||||
| Aux input | $50 | ||||
| Bluetooth audio streaming | $25 | ||||
| CD changer, remote | $200 | $200 | $200 | $200 | |
| DVD-compatible player | $0 | ||||
| Handwriting recognition | $200 | ||||
| HD radio | $50 | ||||
| In-vehicle Internet | $150 | ||||
| Media drive | $15 | ||||
| SD Card slot | $25 | ||||
| Telematics service, such as OnStar | $200 | $200 | $200 | $200 | |
| Traffic + travel information | $25 | ||||
| USB port | $25 | ||||
| Wi-Fi hotspot | $50 | ||||
| Instruments, Lights, and Mirrors | |||||
| Auto-dimming passenger-side mirror | $75 | ||||
| Compass | $0 | ||||
| Cornering lights | $50 | $50 | $50 | $50 | |
| Fog lights | $125 | $125 | $125 | $125 | |
| Headlight washers | $50 | $50 | $50 | $50 | |
| LED headlights | $1000 | ||||
| Power-folding mirrors | $50 | ||||
| Xenon HID headlights | $500 | $500 | $500 | $500 | |
| Seats and Interior Trim | |||||
| Center armrest(s), second row | $50 | ||||
| Door sill trim plates | $100 | $100 | $100 | $100 | |
| Folding second row seats | $300 | ||||
| Illuminated door sill trim plates | $200 | ||||
| Leather-wrapped steering wheel | $150 | $150 | |||
| Massage, driver seat | $100 | ||||
| Massage, passenger seat | $100 | ||||
| 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 | ||||
| Power thigh bolsters, passenger seat | $100 | ||||
| Synthetic suede headliner | $650 | $650 | $650 | $650 | |
| Synthetic suede steering wheel | $150 | $150 | |||
| Upholstered instrument panel, leather | $1000 | $1000 | $1000 | $1000 | |
| Wood/leather-wrapped steering wheel | $150 | ||||
| Suspension, Wheels, and Tires | |||||
| Adaptive hydraulic struts, auto-leveling and ht. adjustable | $4000 | $4000 | $4000 | $4000 | |
| Air suspension, auto-leveling and height adjustable | $1000 | ||||
| Electronic systems calibration selector | $200 | ||||
| Sport suspension (upgrade) | $0 | $0 | $0 | ||
| Transmission | |||||
| Steering-wheel-mounted transmission controls | $100 | $100 | $100 | ||
| Total Value of Features | $11,355 | $14,865 | $15,665 | $15,415 | $15,765 |
| Value of Feature Adjustments | $0 | $3,510 | $4,310 | $4,060 | $4,410 |
| Value of Feature Adjustments | 0 | -3,270 | -4,016 | -3,783 | -4,107 |
Specifications Comparison: Audi A6 / S6 vs. Mercedes-Benz SL
| Model Year | 2018 | 2008 |
| Model | A6 / S6 | SL |
| Body | 4dr Sedan | 2dr Hardtop conv. |
| Wheelbase | 114.6 in | 100.8 in |
| Length | 194.2 in | 178.5 in |
| Width | 73.8 in | 71.5 in |
| Height | 57.8 in | 51.0 in |
| Curb Weight | 3,804 lb. | 4,221 lb. |
| Fuel Capacity | 19.8 gal. | 21.1 gal. |
| Row 1 Headroom | 37.2 in | 37.7 in |
| Row 1 Shoulder Room | 57.5 in | 54.0 in |
| Row 1 Hip Room | 0.0 in | 53.9 in |
| Row 1 Legroom | 41.3 in | 42.9 in |
| Row 2 Headroom | 37.8 in | 0.0 in |
| Row 2 Shoulder Room | 56.3 in | 0.0 in |
| Row 2 Legroom | 37.4 in | 0.0 in |
| Cargo Volume, Minimum | 14.1 ft3 | 7.3 ft3 |
| Cargo Volume, Maximum | 14.1 | 10.2 ft3 |
Option Package Details
Audi A6 / S6 S6 4.0 TFSI
| 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 | No |
| Massage, passenger seat | 100 | No |
| Total Requested | 850 | 68% |
| Total Not Requested | 400 | 32% |
Option Package Details
Mercedes-Benz SL SL550
| Obstacle detection, rear | ||
| Feature | Value | Requested? |
| Obstacle detection, rear | 250 | Yes |
| Obstacle detection, front | 150 | Yes |
| Total Requested | 400 | 100% |
| Total Not Requested | 0 | 0% |
| Premium I Package | ||
| Feature | Value | Requested? |
| Cooled or ventilated front seats | 300 | Yes |
| Cornering lights | 50 | No |
| 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 | 950 | 95% |
| Total Not Requested | 50 | 5% |
Option Package Details
Mercedes-Benz SL SL600
| Obstacle detection, rear | ||
| Feature | Value | Requested? |
| Obstacle detection, rear | 250 | Yes |
| Obstacle detection, front | 150 | Yes |
| Total Requested | 400 | 100% |
| Total Not Requested | 0 | 0% |
Option Package Details
Mercedes-Benz SL SL55 AMG
| Obstacle detection, rear | ||
| Feature | Value | Requested? |
| Obstacle detection, rear | 250 | Yes |
| Obstacle detection, front | 150 | Yes |
| Total Requested | 400 | 100% |
| Total Not Requested | 0 | 0% |
| Premium I Package | ||
| Feature | Value | Requested? |
| Cooled or ventilated front seats | 300 | Yes |
| Cornering lights | 50 | No |
| Proximity key | 250 | Yes |
| Total Requested | 550 | 92% |
| Total Not Requested | 50 | 8% |
Option Package Details
Mercedes-Benz SL SL65 AMG
| Obstacle detection, rear | ||
| Feature | Value | Requested? |
| Obstacle detection, rear | 250 | Yes |
| Obstacle detection, front | 150 | Yes |
| Total Requested | 400 | 100% |
| Total Not Requested | 0 | 0% |
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