| 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: $57,065 Audi A6 / S6 A6 3.2 | |||||||
| Difference: $30,810 | |||||||
Lowest Total Invoice: $53,082 Audi A6 / S6 A6 3.2 | |||||||
| Difference: $28,707 | |||||||
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| Model Year | 2008 | 2008 | 2008 | 2015 | 2015 | 2015 | 2015 |
| Model | A6 / S6 | A6 / S6 | A6 / S6 | SL | SL | SL | SL |
| Trim | A6 3.2 | A6 4.2 | S6 | SL400 | SL550 | SL63 AMG | SL65 AMG |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Base Price | $42,950 | $56,300 | $72,350 | $84,000 | $106,900 | $148,050 | $215,250 |
| Base Invoice | $39,943 | $52,361 | $67,285 | $78,120 | $99,417 | $137,687 | $200,183 |
| S Line Package | 2,000 | 1,000 | |||||
| Sport suspension (upgrade) | 500 | 500 | |||||
| Premium Package | 3,550 | ||||||
| Technology Package | 4,100 | 3,450 | 3,350 | ||||
| iPod integration | 290 | 290 | 290 | ||||
| Lane departure warning | 900 | 900 | 900 | ||||
| Adaptive cruise control | 2,000 | 2,000 | 2,000 | ||||
| Upholstered instrument cluster hood, leather | 1,275 | ||||||
| Driver Assistance Package | 2,950 | 2,950 | 2,950 | ||||
| Wood trim | 0 | 0 | |||||
| S Line Package | 1,860 | 930 | |||||
| Sport suspension (upgrade) | 466 | 466 | |||||
| Premium Package | 3,302 | ||||||
| Technology Package | 3,813 | 3,208 | 3,115 | ||||
| iPod integration | 225 | 225 | 225 | ||||
| Lane departure warning | 838 | 838 | 838 | ||||
| Adaptive cruise control | 1,860 | 1,860 | 1,860 | ||||
| Upholstered instrument cluster hood, leather | 1,185 | ||||||
| Driver Assistance Package | 2,744 | 2,744 | 2,744 | ||||
| Wood trim | 0 | 0 | |||||
| Options (change) | 13,340 | 9,415 | 6,540 | 2,950 | 2,950 | 2,950 | 0 |
| Options (change) | 12,364 | 8,712 | 6,038 | 2,744 | 2,744 | 2,744 | 0 |
| Destination | 775 | 775 | 775 | 925 | 925 | 925 | 925 |
| Gas Tax | 0 | 0 | 1,300 | 0 | 0 | 0 | 1,300 |
| Total Price | $57,065 | $66,490 | $80,965 | $87,875 | $110,775 | $151,925 | $217,475 |
| Total Invoice | $53,082 | $61,848 | $75,398 | $81,789 | $103,086 | $141,356 | $202,408 |
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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 A6 3.2 | |||||||
| TrueDelta Adjusted Price Difference: $20,985 | |||||||
| TrueDelta Adjusted Invoice Difference: $19,562 | |||||||
| Model Year | 2008 | 2008 | 2008 | 2015 | 2015 | 2015 | 2015 |
| Model | A6 / S6 | A6 / S6 | A6 / S6 | SL | SL | SL | SL |
| Trim | A6 3.2 | A6 4.2 | S6 | SL400 | SL550 | SL63 AMG | SL65 AMG |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Engine | 255hp V6 | 350hp V8 | 435hp V10 | 329hp V6 | 429hp V8 | 577hp V8 | 621hp V12 |
| Transmission | CVT-7 | T6 | T6 | T7 | T7 | T7 | T7 |
| Drivetrain | FWD | AWD | AWD | RWD | RWD | RWD | RWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 330, 13 | 330, 13 | 330, 13 | 600, 11 | 600, 11 | 600, 11 | 900, 12 |
| Tire (rear if not all the same) | 245/40-18 | 245/40-18 | 265/35-19 | 255/40-18 | 255/40-18 | 255/35-19 | 255/35-19 |
| Total Price | $57,065 | $66,490 | $80,965 | $87,875 | $110,775 | $151,925 | $217,475 |
| Adjustments for Features | 0 | -1,900 | -2,125 | -9,825 | -12,875 | -17,850 | -22,150 |
| Feature-Adjusted Total Price | $57,065 | $64,590 | $78,840 | $78,050 | $97,900 | $134,075 | $195,325 |
| Cost Above Minimum | $0 | $7,525 | $21,775 | $0 | $19,850 | $56,025 | $117,275 |
| Total Invoice | $53,082 | $61,848 | $75,398 | $81,789 | $103,086 | $141,356 | $202,408 |
| Adjustments for Features | 0 | -1,767 | -1,979 | -9,145 | -11,981 | -16,608 | -20,615 |
| Feature-Adjusted Total Invoice | $53,082 | $60,081 | $73,419 | $72,644 | $91,105 | $124,748 | $181,793 |
| Cost Above Minimum | $0 | $6,999 | $20,337 | $0 | $18,461 | $52,104 | $109,149 |
Features Comparison: Audi A6 / S6 vs. Mercedes-Benz SL
| Model Year | 2008 | 2008 | 2008 | 2015 | 2015 | 2015 | 2015 |
| Model | A6 / S6 | A6 / S6 | A6 / S6 | SL | SL | SL | SL |
| Trim | A6 3.2 | A6 4.2 | S6 | SL400 | SL550 | SL63 AMG | SL65 AMG |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Transmission and Drivetrain | |||||||
| 7-speed manually-shiftable CVT | $1100 | ||||||
| 6-speed manually-shiftable automatic | $1100 | $1100 | |||||
| 7-speed manually-shiftable automatic | $1200 | $1200 | $1200 | $1200 | |||
| FWD | $0 | ||||||
| AWD | $1700 | $1700 | |||||
| RWD | $0 | $0 | $0 | $0 | |||
| Accessories | |||||||
| Adaptive cruise control | $600 | $600 | $600 | ||||
| Adaptive cruise control, all-speed | $850 | $850 | $850 | $850 | |||
| Hands-free trunk or liftgate | $100 | $100 | $100 | ||||
| Power door closers | $300 | ||||||
| Power rear side windows | $200 | $200 | $200 | ||||
| Power trunk closer | $350 | $350 | $350 | ||||
| Proximity key | $250 | $250 | $250 | $250 | $250 | $250 | |
| Remote app | $25 | $25 | $25 | $25 | |||
| Remote window/roof operation | $15 | $15 | $15 | $15 | |||
| Semi-automated parking system | $500 | $500 | $500 | ||||
| Wind blocker, power small | $300 | $300 | $300 | $300 | |||
| Brakes, Airbags, and Other Safety | |||||||
| Auto-raising roll bars / headrests | $500 | $500 | $500 | $500 | |||
| Automatic braking, high-speed or partial | $200 | $200 | $200 | $200 | |||
| Automatic braking, low-speed | $200 | $200 | $200 | $200 | |||
| Blind spot collision prevention | $150 | $150 | $150 | $150 | |||
| Blind spot warning system | $200 | $200 | $200 | $200 | |||
| Driver drowsiness monitor | $150 | $150 | $150 | $150 | |||
| Forward collision warning | $200 | $200 | $200 | $200 | |||
| Full-size spare tire | $225 | $225 | $225 | ||||
| Knee airbag, driver | $75 | $75 | $75 | $75 | |||
| Knee airbag, passenger | $75 | $75 | $75 | $75 | |||
| Lane departure prevention | $150 | $150 | $150 | $150 | |||
| Night vision | $1750 | ||||||
| Obstacle detection, front | $150 | $150 | $150 | ||||
| Obstacle detection, rear | $250 | $250 | $250 | $250 | $250 | $250 | |
| Radar- or camera-based collision preparation system | $0 | $0 | $0 | $0 | |||
| Rearview camera | $200 | $200 | $200 | $200 | $200 | $200 | |
| Tires, run-flat | $150 | $150 | |||||
| Torque vectoring, brake-based | $100 | $100 | $100 | $100 | |||
| Cargo Management | |||||||
| Air-conditioned storage compartment | $50 | $50 | $50 | $50 | |||
| Cargo mat | $40 | $40 | $40 | ||||
| Cargo net | $40 | $40 | $40 | ||||
| Rear seat pass-through | $100 | ||||||
| Ski sack | $50 | ||||||
| Climate Control | |||||||
| Adaptive windshield washer system | $0 | $0 | $0 | $0 | |||
| Rear air vents | $100 | $100 | $100 | ||||
| Wiper de-icer | $25 | $25 | $25 | $25 | |||
| Drivetrain | |||||||
| Limited-slip rear differential | $300 | $300 | |||||
| Engine / Motor | |||||||
| Automatic start / stop | $150 | $150 | $150 | $150 | |||
| Raised top speed limiter | $0 | $0 | |||||
| Exterior | |||||||
| Bodyside cladding | $350 | ||||||
| Bodyside moldings | $75 | $75 | |||||
| Electronically-variable tint, sunroof or glass roof panel | $2000 | ||||||
| Glass roof panel(s) | $300 | $300 | $300 | $300 | |||
| Power retractable hardtop | $6750 | $6750 | $6750 | $6750 | |||
| Rear spoiler | $200 | $200 | |||||
| Sunroof | $900 | $900 | $900 | ||||
| Infotainment | |||||||
| App support | $0 | $0 | $0 | $0 | |||
| Aux input | $50 | $50 | $50 | $50 | |||
| Bluetooth audio streaming | $25 | $25 | $25 | $25 | |||
| CD changer, remote | $200 | $200 | $200 | ||||
| CD player | $125 | $125 | $125 | $125 | |||
| DVD-compatible player | $0 | $0 | $0 | $0 | |||
| 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 | |||
| SD Card slot | $25 | $25 | $25 | $25 | |||
| SMS text-to-speech reader | $25 | $25 | $25 | $25 | |||
| Telematics service, such as OnStar, with navigation | $225 | $225 | $225 | $225 | |||
| Traffic + travel information | $25 | $25 | $25 | $25 | |||
| Instruments, Lights, and Mirrors | |||||||
| Analog clock | $25 | $25 | |||||
| Auto-dimming headlights | $200 | $200 | $200 | $200 | |||
| Auto-dimming passenger-side mirror | $75 | $75 | $75 | ||||
| Chronometer | $100 | $100 | |||||
| Compass | $0 | $0 | $0 | ||||
| Cornering lights | $50 | $50 | $50 | $50 | |||
| Power-folding mirrors | $50 | $50 | $50 | ||||
| Seats and Interior Trim | |||||||
| Automatic seat bolsters, driver | $300 | $300 | $300 | ||||
| Automatic seat bolsters, front passenger | $300 | $300 | $300 | ||||
| Center armrest(s), second row | $50 | $50 | $50 | ||||
| Cooled or ventilated front seats | $300 | $300 | $300 | ||||
| Door sill trim plates | $100 | $100 | $100 | $100 | $100 | ||
| Folding second row seats | $300 | $300 | $300 | ||||
| Illuminated door sill trim plates | $200 | $200 | |||||
| Leather headliner | $1000 | ||||||
| Manual thigh support length adjuster, driver seat | $50 | $50 | $50 | ||||
| Massage, driver seat | $100 | $100 | $100 | ||||
| Massage, passenger seat | $100 | $100 | $100 | ||||
| Memory system, passenger seat | $150 | $150 | $150 | $150 | |||
| Metal pedals | $75 | $75 | $75 | $75 | |||
| Neck-level heating, front seats | $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 support length adjuster, driver seat | $100 | $100 | $100 | $100 | |||
| Power thigh support length adjuster, passenger seat | $100 | $100 | $100 | $100 | |||
| Synthetic suede headliner | $650 | ||||||
| Upholstered instrument cluster hood, leather | $200 | ||||||
| Upholstered instrument panel, leather | $1000 | $1000 | $1000 | $1000 | |||
| Suspension, Wheels, and Tires | |||||||
| Adaptive dampers - electrical | $500 | $500 | |||||
| Adaptive hydraulic struts, auto-leveling and ht. adjustable | $4000 | $4000 | |||||
| Electronic systems calibration selector | $200 | $200 | |||||
| Sport suspension (upgrade) | $0 | $0 | $0 | $0 | $0 | ||
| Transmission | |||||||
| Launch control | $100 | ||||||
| Total Value of Features | $4,805 | $6,705 | $6,930 | $14,630 | $17,680 | $22,655 | $26,955 |
| Value of Feature Adjustments | $0 | $1,900 | $2,125 | $9,825 | $12,875 | $17,850 | $22,150 |
| Value of Feature Adjustments | 0 | -1,767 | -1,979 | -9,145 | -11,981 | -16,608 | -20,615 |
Specifications Comparison: Audi A6 / S6 vs. Mercedes-Benz SL
| Model Year | 2008 | 2015 |
| Model | A6 / S6 | SL |
| Body | 4dr Sedan | 2dr Hardtop conv. |
| Wheelbase | 111.9 in | 101.8 in |
| Length | 193.5 in | 181.8 in |
| Width | 73.1 in | 73.9 in |
| Height | 57.5 in | 51.8 in |
| Curb Weight | 4,013 lb. | 3,936 lb. |
| Fuel Capacity | 21.1 gal. | 19.8 gal. |
| Row 1 Headroom | 38.7 in | 39.1 in |
| Row 1 Shoulder Room | 57.1 in | 55.5 in |
| Row 1 Legroom | 41.3 in | 42.9 in |
| Row 2 Headroom | 37.8 in | 0.0 in |
| Row 2 Shoulder Room | 55.9 in | 0.0 in |
| Row 2 Legroom | 36.9 in | 0.0 in |
| Cargo Volume, Minimum | 15.9 ft3 | 8.5 ft3 |
| Cargo Volume, Maximum | 15.9 | 13.5 ft3 |
Option Package Details
Audi A6 / S6 A6 3.2
| S Line Package | ||
| Feature | Value | Requested? |
| Upgraded leather upholstery | 0 | No |
| Leather upholstery, extended coverage | 0 | No |
| Manual thigh support adjuster, driver seat | 50 | Yes |
| Front sport buckets | 100 | Yes |
| Special interior trim | 0 | No |
| Steering-wheel-mounted transmission controls | 100 | Yes |
| Upholstered door panels, leather | 250 | Yes |
| Total Requested | 500 | 100% |
| Total Not Requested | 0 | 0% |
| Premium Package | ||
| Feature | Value | Requested? |
| Bose, 330W, 13 speakers (with subwoofer) | 350 | No |
| Storage compartment under front seat(s) | 50 | Yes |
| Power-folding mirrors | 50 | No |
| Auto-dimming passenger-side mirror | 75 | No |
| Heated front seats | 200 | Yes |
| Sunroof | 900 | No |
| Auto-dimming rearview mirror | 150 | Yes |
| Xenon HID headlights | 500 | Yes |
| Memory system, driver seat | 200 | Yes |
| Auto-dimming driver-side mirror | 75 | Yes |
| Compass | 0 | No |
| Surround sound | 250 | Yes |
| Total Requested | 1425 | 51% |
| Total Not Requested | 1375 | 49% |
| Technology Package | ||
| Feature | Value | Requested? |
| Navigation system | 600 | Yes |
| Tilt/telescoping steering wheel, power | 100 | Yes |
| Universal garage door opener | 100 | Yes |
| Steering-linked headlights | 150 | Yes |
| Obstacle detection, rear | 250 | Yes |
| Rearview camera | 200 | Yes |
| Proximity key | 250 | Yes |
| Voice control for nav and audio | 100 | Yes |
| Total Requested | 1750 | 100% |
| Total Not Requested | 0 | 0% |
Option Package Details
Audi A6 / S6 A6 4.2
| S Line Package | ||
| Feature | Value | Requested? |
| Manual thigh support adjuster, driver seat | 50 | Yes |
| Front sport buckets | 100 | Yes |
| Special interior trim | 0 | No |
| Steering-wheel-mounted transmission controls | 100 | Yes |
| Total Requested | 250 | 100% |
| Total Not Requested | 0 | 0% |
| Technology Package | ||
| Feature | Value | Requested? |
| Navigation system | 600 | Yes |
| Obstacle detection, rear | 250 | Yes |
| Rearview camera | 200 | Yes |
| Proximity key | 250 | Yes |
| Voice control for nav and audio | 100 | Yes |
| Total Requested | 1400 | 100% |
| Total Not Requested | 0 | 0% |
Option Package Details
Audi A6 / S6 S6
| Technology Package | ||
| Feature | Value | Requested? |
| Navigation system | 600 | Yes |
| Obstacle detection, rear | 250 | Yes |
| Rearview camera | 200 | Yes |
| Proximity key | 250 | Yes |
| Voice control for nav and audio | 100 | Yes |
| Total Requested | 1400 | 100% |
| Total Not Requested | 0 | 0% |
Option Package Details
Mercedes-Benz SL SL400
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Radar- or camera-based collision preparation system | 0 | No |
| Lane departure warning system | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | No |
| Blind spot warning system | 200 | No |
| Lane departure prevention system | 150 | No |
| Automatic braking, low-speed | 200 | No |
| Automatic braking, high-speed | 200 | No |
| Forward collision warning | 200 | No |
| Blind spot intervention | 150 | No |
| Total Requested | 200 | 10% |
| Total Not Requested | 1800 | 90% |
Option Package Details
Mercedes-Benz SL SL550
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Radar- or camera-based collision preparation system | 0 | No |
| Lane departure warning system | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | No |
| Blind spot warning system | 200 | No |
| Lane departure prevention system | 150 | No |
| Automatic braking, low-speed | 200 | No |
| Automatic braking, high-speed | 200 | No |
| Forward collision warning | 200 | No |
| Blind spot intervention | 150 | No |
| Total Requested | 200 | 10% |
| Total Not Requested | 1800 | 90% |
Option Package Details
Mercedes-Benz SL SL63 AMG
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Radar- or camera-based collision preparation system | 0 | No |
| Lane departure warning system | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | No |
| Blind spot warning system | 200 | No |
| Lane departure prevention system | 150 | No |
| Automatic braking, low-speed | 200 | No |
| Automatic braking, high-speed | 200 | No |
| Forward collision warning | 200 | No |
| Blind spot intervention | 150 | No |
| Total Requested | 200 | 10% |
| Total Not Requested | 1800 | 90% |
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