Audi S6 vs Cadillac CT6
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2020 Cadillac CT6
Overview
| Spec | Audi S6Premium | Cadillac CT6Luxury |
|---|---|---|
| Selected trim | Premium | Luxury |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | regular unleaded |
| Transmission | 8-speed shiftable automatic | 10-speed shiftable automatic |
| Engine type | mild hybrid | gas |
| Model year | 2025 | 2020 |
Pricing & market
| Spec | Audi S6Premium | Cadillac CT6Luxury |
|---|---|---|
| MSRP | $75,900 | $58,995 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi S6Premium | Cadillac CT6Luxury |
|---|---|---|
| Combined MPG | 22 MPG (best) | 21 MPG |
| City MPG | 19 MPG (best) | 18 MPG |
| Highway MPG | 27 MPG | 27 MPG |
| Fuel tank | 19.3 gal (best) | 19.2 gal |
Performance
| Spec | Audi S6Premium | Cadillac CT6Luxury |
|---|---|---|
| Horsepower | 444 hp (best) | 335 hp |
| Torque | 442 lb-ft (best) | 284 lb-ft |
| Engine size | 2.9 L | 3.6 L (best) |
| Cylinders | V6 | V6 |
Size & capability
| Spec | Audi S6Premium | Cadillac CT6Luxury |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.7 cu ft | 15.8 cu ft (best) |
| Towing capacity | — | 1,000 lbs (best) |
| Payload | 1,102 lbs (best) | — |
| Curb weight | 4,519 lbs | 3,985 lbs (best) |
| Wheelbase | 115.3 in | 122.4 in (best) |
| Length | 195 in | 205.8 in (best) |
| Width | 74.3 in (best) | 74 in |
| Height | 56.9 in | 58 in (best) |
Safety & recalls
| Spec | Audi S6Premium | Cadillac CT6Luxury |
|---|---|---|
| Rollover | 5 / 5 ★ (best) | — |
| Open recalls (YMM scope) | None reported | None reported |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | Audi S6 | Cadillac CT6 |
|---|---|---|
| 1 | Premium $75,900 MSRP(Currently comparing) | Luxury $58,995 MSRP(Currently comparing) |
| 2 | Premium Plus $80,200 MSRP | Premium Luxury $74,495 MSRP |
| 3 | Prestige $84,100 MSRP | Base $94,895 MSRP |
| 4 | — | Platinum $96,495 MSRP |