| 1 | 0 | 3 | 4 | 3 | 4 |
Audi A8 / S8 vs. Cadillac CT6 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 A8 / S8 vs. Cadillac CT6 Invoice Comparison
Lowest Total Price: $89,350 Cadillac CT6 Platinum | ||||
| Difference: $7,125 | ||||
Lowest Total Invoice: $84,928 Cadillac CT6 Platinum | ||||
| Difference: $4,859 | ||||
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| Model Year | 2015 | 2015 | 2015 | 2018 |
| Model | A8 / S8 | A8 / S8 | A8 / S8 | CT6 |
| Trim | A8 3.0T | A8 4.0T | S8 | Platinum |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Base Price | $77,400 | $86,400 | $114,900 | $84,295 |
| Base Invoice | $71,982 | $80,352 | $106,858 | $80,080 |
| Cold Weather Package | 750 | 750 | 750 | |
| Premium Package | 3,950 | 3,950 | ||
| Luxury Package | 4,200 | 4,200 | ||
| Driver Assistance Package | 2,250 | 2,250 | 2,100 | |
| Warm Weather Package | 1,700 | 1,700 | ||
| Entertainment system with dual headrest screens | 3,000 | 3,000 | 3,000 | |
| Night vision | 2,300 | 2,300 | 2,300 | |
| Wood trim | 0 | |||
| Cargo net | 60 | |||
| 3.0L V6 | 4,000 | |||
| Cold Weather Package | 697 | 697 | 697 | |
| Premium Package | 3,673 | 3,673 | ||
| Luxury Package | 3,906 | 3,906 | ||
| Driver Assistance Package | 2,093 | 2,093 | 1,954 | |
| Warm Weather Package | 1,582 | 1,582 | ||
| Entertainment system with dual headrest screens | 2,790 | 2,790 | 2,790 | |
| Night vision | 2,139 | 2,139 | 2,139 | |
| Wood trim | 0 | |||
| Cargo net | 53 | |||
| 3.0L V6 | 3,800 | |||
| Options (change) | 18,150 | 18,150 | 8,150 | 4,060 |
| Options (change) | 16,880 | 16,880 | 7,580 | 3,853 |
| Destination | 925 | 925 | 925 | 995 |
| Total Price | $96,475 | $105,475 | $123,975 | $89,350 |
| Total Invoice | $89,787 | $98,157 | $115,363 | $84,928 |
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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 A8 / S8 dealer quotes or Cadillac CT6 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 A8 / S8 vs. Cadillac CT6
| Lowest Adjusted Price and Invoice: Cadillac CT6 Platinum | ||||
| TrueDelta Adjusted Price Difference: $10,140 | ||||
| TrueDelta Adjusted Invoice Difference: $7,725 | ||||
| Model Year | 2015 | 2015 | 2015 | 2018 |
| Model | A8 / S8 | A8 / S8 | A8 / S8 | CT6 |
| Trim | A8 3.0T | A8 4.0T | S8 | Platinum |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Engine | 333hp V6 | 435hp V8 | 520hp V8 | 404hp V6 |
| Transmission | T8 | T8 | T8 | T8 |
| Drivetrain | AWD | AWD | AWD | AWD |
| EPA Fuel Economy (city/highway) | 14/21 MPG | 14/21 MPG | 14/21 MPG | 18/26 MPG |
| Audio (watts, speakers) | 630, 14 | 630, 14 | 630, 14 | ?, 34 |
| Tire (rear if not all the same) | 255/45-19 | 255/45-19 | 265/35-21 | 245/40-20 |
| Total Price | $96,475 | $105,475 | $123,975 | $89,350 |
| Adjustments for Features | 0 | -150 | -1,500 | -3,015 |
| Feature-Adjusted Total Price | $96,475 | $105,325 | $122,475 | $86,335 |
| Cost Above Minimum | $0 | $8,850 | $26,000 | $0 |
| Total Invoice | $89,787 | $98,157 | $115,363 | $84,928 |
| Adjustments for Features | 0 | -140 | -1,396 | -2,866 |
| Feature-Adjusted Total Invoice | $89,787 | $98,017 | $113,967 | $82,062 |
| Cost Above Minimum | $0 | $8,230 | $24,180 | $0 |
Features Comparison: Audi A8 / S8 vs. Cadillac CT6
| Model Year | 2015 | 2015 | 2015 | 2018 |
| Model | A8 / S8 | A8 / S8 | A8 / S8 | CT6 |
| Trim | A8 3.0T | A8 4.0T | S8 | Platinum |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Transmission and Drivetrain | ||||
| 8-speed manually-shiftable automatic | $1300 | $1300 | $1300 | $1300 |
| AWD | $1700 | $1700 | $1700 | $1700 |
| Accessories | ||||
| AC power outlet | $100 | |||
| Active noise reduction | $0 | $0 | $0 | |
| Electronic engine sound enhancement | $0 | |||
| Power door closers | $300 | $300 | $300 | |
| Remote app | $25 | |||
| Remote start | $150 | |||
| Remote window/roof operation | $15 | $15 | $15 | |
| Semi-automated parking system | $500 | |||
| Sunshade, rear, power | $225 | $225 | $225 | |
| Sunshades, second row | $125 | |||
| Sunshades, second row, power | $225 | $225 | $225 | |
| Brakes, Airbags, and Other Safety | ||||
| Active or whiplash-reducing head restraints, front seats | $0 | $0 | $0 | |
| Animal detection, night | $50 | $50 | $50 | |
| Automatic braking, high-speed or partial | $200 | |||
| Backup collision intervention | $150 | |||
| Collision preparation system, rear | $100 | $100 | $100 | |
| Cross-traffic warning, rear | $100 | |||
| Following distance indicator | $25 | |||
| Full-size spare tire | $225 | $225 | $225 | |
| Hands-free driving on limited-access highways | $1000 | |||
| Lane departure prevention, steering-based | $200 | $200 | $200 | |
| Lane keeping assist | $400 | |||
| Pedestrian detection | $50 | |||
| Pedestrian detection, night | $50 | $50 | $50 | |
| Rear side airbags | $300 | $300 | $300 | |
| Rollover sensor | $50 | $50 | $50 | |
| Safety key | $5 | |||
| Surround view video recorder | $50 | |||
| Temporary spare tire | $150 | |||
| Vehicle health reports | $0 | |||
| Wide-view front camera | $150 | $150 | $150 | |
| Wide-view rear camera | $0 | $0 | $0 | |
| Cargo Management | ||||
| Air-conditioned storage compartment | $50 | $50 | $50 | |
| Ski sack | $50 | $50 | $50 | |
| Climate Control | ||||
| Automatic air recirculation | $100 | $100 | $100 | |
| Heated windshield washer nozzles | $15 | $15 | $15 | |
| Ionizing air filtration | $50 | |||
| Residual heat | $50 | $50 | $50 | |
| Engine / Motor | ||||
| Automatic start / stop | $150 | $150 | ||
| Dual-mode exhaust, switchable | $500 | |||
| Exterior | ||||
| Active grille shutters | $0 | |||
| Body kit | $0 | |||
| Laminated rear side windows | $100 | $100 | $100 | |
| Panoramic sunroof | $1200 | |||
| Sunroof | $900 | $900 | $900 | |
| Infotainment | ||||
| 4G LTE connectivity | $0 | |||
| Android Auto support | $100 | |||
| App support | $0 | |||
| Apple CarPlay support | $100 | |||
| CD player | $125 | $125 | $125 | |
| DVD-compatible player | $0 | $0 | $0 | |
| Handwriting recognition | $200 | $200 | $200 | |
| HDMI port | $25 | |||
| Media drive | $15 | $15 | $15 | |
| MP3-compatible player | $50 | $50 | $50 | |
| SD Card slot | $25 | $25 | $25 | |
| SMS text-to-speech reader | $25 | |||
| Streaming video device | $30 | |||
| Streaming video support | $25 | |||
| Telematics service, such as OnStar, with navigation | $225 | |||
| Traffic + travel information | $25 | $25 | $25 | |
| Traffic information | $25 | |||
| Voice control for external devices | $0 | |||
| Wi-Fi hotspot | $50 | |||
| Wireless charging station | $75 | |||
| Instruments, Lights, and Mirrors | ||||
| Analog clock | $25 | $25 | $25 | |
| Approach detection | $25 | |||
| Auto-dimming passenger-side mirror | $75 | $75 | $75 | |
| Compass | $0 | $0 | $0 | |
| Fog light, rear | $100 | $100 | $100 | |
| Headlight washers | $50 | $50 | $50 | |
| Interior ambient lighting | $150 | |||
| Interior ambient lighting, configurable | $150 | $150 | $150 | |
| Large color reconfigurable instrument cluster display | $250 | |||
| Mirror tilt-down in reverse | $25 | $25 | $25 | |
| Rear camera mirror | $200 | |||
| Steering-linked headlights | $150 | $150 | $150 | |
| Seats and Interior Trim | ||||
| Cooled or ventilated second row seats | $200 | |||
| Door sill trim plates | $100 | $100 | $100 | |
| Illuminated door sill trim plates | $200 | |||
| Massage, second row seats | $150 | |||
| Power 4-way lumbar adjuster, second row seats | $225 | |||
| Power headrest height adjuster, driver seat | $50 | $50 | $50 | |
| Power headrest height adjuster, passenger seat | $50 | $50 | $50 | |
| Power recliner, second row seats | $150 | |||
| Power seat belt height adjusters, front row | $25 | $25 | $25 | |
| Power seatback bolsters, driver seat | $100 | $100 | $100 | |
| Power seatback bolsters, passenger seat | $100 | $100 | $100 | |
| Power thigh bolsters, driver seat | $100 | $100 | $100 | |
| Power thigh bolsters, passenger seat | $100 | $100 | $100 | |
| Power tilt adjuster, second row seats | $150 | |||
| Upholstered instrument panel | $300 | $300 | $300 | |
| Upholstered instrument panel, leather | $1000 | |||
| Suspension, Wheels, and Tires | ||||
| Active steering | $1000 | |||
| Air suspension, auto-leveling and height adjustable | $1000 | $1000 | $1000 | |
| Electronic systems calibration selector | $200 | $200 | $200 | |
| Rear wheel steering | $1500 | |||
| Total Value of Features | $9,295 | $9,445 | $10,795 | $12,310 |
| Value of Feature Adjustments | $0 | $150 | $1,500 | $3,015 |
| Value of Feature Adjustments | 0 | -140 | -1,396 | -2,866 |
Specifications Comparison: Audi A8 / S8 vs. Cadillac CT6
| Model Year | 2015 | 2018 |
| Model | A8 / S8 | CT6 |
| Body | 4dr Sedan | 4dr Sedan |
| Wheelbase | 117.8 in | 122.4 in |
| Length | 202.2 in | 204.0 in |
| Width | 76.7 in | 74.0 in |
| Height | 57.5 in | 57.9 in |
| Curb Weight | 4,707 lb. | 4,085 lb. |
| Fuel Capacity | 21.7 gal. | 19.5 gal. |
| Row 1 Headroom | 37.2 in | 40.1 in |
| Row 1 Shoulder Room | 59.1 in | 58.3 in |
| Row 1 Hip Room | 0.0 in | 55.8 in |
| Row 1 Legroom | 41.4 in | 42.3 in |
| Row 2 Headroom | 38.1 in | 38.0 in |
| Row 2 Shoulder Room | 57.8 in | 56.1 in |
| Row 2 Hip Room | 0.0 in | 53.4 in |
| Row 2 Legroom | 38.7 in | 40.4 in |
| Cargo Volume | 14.2 ft3 | 15.3 ft3 |
Option Package Details
Audi A8 / S8 A8 3.0T
| Cold Weather Package | ||
| Feature | Value | Requested? |
| Heated second row seats | 200 | Yes |
| Rear seat pass-through | 100 | Yes |
| Heated steering wheel | 100 | Yes |
| Ski sack | 50 | No |
| Total Requested | 400 | 89% |
| Total Not Requested | 50 | 11% |
| Premium Package | ||
| Feature | Value | Requested? |
| Cooled or ventilated front seats | 300 | Yes |
| Power thigh bolsters, driver seat | 100 | No |
| Power seatback bolsters, driver seat | 100 | No |
| Power thigh bolsters, passenger seat | 100 | No |
| Power seatback bolsters, passenger seat | 100 | No |
| Massage, driver seat | 100 | Yes |
| Massage, passenger seat | 100 | Yes |
| Head-up display (HUD) | 350 | Yes |
| Blind spot warning system | 200 | Yes |
| Around view cameras | 300 | Yes |
| Wide-view front camera | 150 | No |
| Collision preparation system, rear | 100 | No |
| Wide-view rear camera | 0 | No |
| Total Requested | 1350 | 68% |
| Total Not Requested | 650 | 32% |
| Luxury Package | ||
| Feature | Value | Requested? |
| Upgraded leather upholstery | 0 | No |
| Leather upholstery, extended coverage | 0 | No |
| Laminated front side windows | 200 | Yes |
| Synthetic suede headliner | 650 | Yes |
| Leather door panel trim | 250 | Yes |
| Laminated rear side windows | 100 | No |
| Total Requested | 1100 | 92% |
| Total Not Requested | 100 | 8% |
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Auto-dimming headlights | 200 | Yes |
| Radar- or camera-based collision preparation system | 0 | Yes |
| Lane departure warning system | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | Yes |
| Automatic braking, low-speed | 200 | Yes |
| Forward collision warning | 200 | Yes |
| Lane departure prevention system, steering-based | 200 | Yes |
| Total Requested | 1700 | 100% |
| Total Not Requested | 0 | 0% |
| Warm Weather Package | ||
| Feature | Value | Requested? |
| Rear air vents with automatic controls | 150 | Yes |
| Sunshades, second row, power | 225 | No |
| Rear dual-zone climate control | 125 | Yes |
| Total Requested | 275 | 55% |
| Total Not Requested | 225 | 45% |
Option Package Details
Audi A8 / S8 A8 4.0T
| Cold Weather Package | ||
| Feature | Value | Requested? |
| Heated second row seats | 200 | Yes |
| Rear seat pass-through | 100 | Yes |
| Heated steering wheel | 100 | Yes |
| Ski sack | 50 | No |
| Total Requested | 400 | 89% |
| Total Not Requested | 50 | 11% |
| Premium Package | ||
| Feature | Value | Requested? |
| Cooled or ventilated front seats | 300 | Yes |
| Power thigh bolsters, driver seat | 100 | No |
| Power seatback bolsters, driver seat | 100 | No |
| Power thigh bolsters, passenger seat | 100 | No |
| Power seatback bolsters, passenger seat | 100 | No |
| Massage, driver seat | 100 | Yes |
| Massage, passenger seat | 100 | Yes |
| Head-up display (HUD) | 350 | Yes |
| Blind spot warning system | 200 | Yes |
| Around view cameras | 300 | Yes |
| Wide-view front camera | 150 | No |
| Collision preparation system, rear | 100 | No |
| Wide-view rear camera | 0 | No |
| Total Requested | 1350 | 68% |
| Total Not Requested | 650 | 32% |
| Luxury Package | ||
| Feature | Value | Requested? |
| Upgraded leather upholstery | 0 | No |
| Leather upholstery, extended coverage | 0 | No |
| Laminated front side windows | 200 | Yes |
| Synthetic suede headliner | 650 | Yes |
| Leather door panel trim | 250 | Yes |
| Laminated rear side windows | 100 | No |
| Total Requested | 1100 | 92% |
| Total Not Requested | 100 | 8% |
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Auto-dimming headlights | 200 | Yes |
| Radar- or camera-based collision preparation system | 0 | Yes |
| Lane departure warning system | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | Yes |
| Automatic braking, low-speed | 200 | Yes |
| Forward collision warning | 200 | Yes |
| Lane departure prevention system, steering-based | 200 | Yes |
| Total Requested | 1700 | 100% |
| Total Not Requested | 0 | 0% |
| Warm Weather Package | ||
| Feature | Value | Requested? |
| Rear air vents with automatic controls | 150 | Yes |
| Sunshades, second row, power | 225 | No |
| Rear dual-zone climate control | 125 | Yes |
| Total Requested | 275 | 55% |
| Total Not Requested | 225 | 45% |
Option Package Details
Audi A8 / S8 S8
| Cold Weather Package | ||
| Feature | Value | Requested? |
| Heated second row seats | 200 | Yes |
| Rear seat pass-through | 100 | Yes |
| Heated steering wheel | 100 | Yes |
| Ski sack | 50 | No |
| Total Requested | 400 | 89% |
| Total Not Requested | 50 | 11% |
| Driver Assistance Package | ||
| Feature | Value | Requested? |
| Radar- or camera-based collision preparation system | 0 | Yes |
| Lane departure warning system | 200 | Yes |
| Adaptive cruise control, all-speed | 700 | Yes |
| Automatic braking, low-speed | 200 | Yes |
| Forward collision warning | 200 | Yes |
| Lane departure prevention system, steering-based | 200 | Yes |
| Total Requested | 1500 | 100% |
| Total Not Requested | 0 | 0% |
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