BMW M550i xDrive vs Cadillac CT6
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2020 Cadillac CT6
Overview
| Spec | BMW M550i xDriveM550i xDrive | Cadillac CT6Luxury |
|---|---|---|
| Selected trim | M550i xDrive | 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 | gas | gas |
| Model year | 2023 | 2020 |
Pricing & market
| Spec | BMW M550i xDriveM550i xDrive | Cadillac CT6Luxury |
|---|---|---|
| MSRP | $79,900 | $58,995 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | BMW M550i xDriveM550i xDrive | Cadillac CT6Luxury |
|---|---|---|
| Combined MPG | 20 MPG | 21 MPG (best) |
| City MPG | 17 MPG | 18 MPG (best) |
| Highway MPG | 25 MPG | 27 MPG (best) |
| Fuel tank | 18 gal | 19.2 gal (best) |
Performance
| Spec | BMW M550i xDriveM550i xDrive | Cadillac CT6Luxury |
|---|---|---|
| Horsepower | 523 hp (best) | 335 hp |
| Torque | 553 lb-ft (best) | 284 lb-ft |
| Engine size | 4.4 L (best) | 3.6 L |
| Cylinders | V8 | V6 |
Size & capability
| Spec | BMW M550i xDriveM550i xDrive | Cadillac CT6Luxury |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 18.7 cu ft (best) | 15.8 cu ft |
| Towing capacity | — | 1,000 lbs (best) |
| Payload | 855 lbs (best) | — |
| Curb weight | 4,383 lbs | 3,985 lbs (best) |
| Ground clearance | 5.2 in (best) | — |
| Wheelbase | 117.1 in | 122.4 in (best) |
| Length | 196 in | 205.8 in (best) |
| Width | 73.5 in | 74 in (best) |
| Height | 57.8 in | 58 in (best) |
Safety & recalls
| Spec | BMW M550i xDriveM550i xDrive | Cadillac CT6Luxury |
|---|---|---|
| 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 | BMW M550i xDrive | Cadillac CT6 |
|---|---|---|
| 1 | M550i xDrive $79,900 MSRP(Currently comparing) | Luxury $58,995 MSRP(Currently comparing) |
| 2 | — | Premium Luxury $74,495 MSRP |
| 3 | — | Base $94,895 MSRP |
| 4 | — | Platinum $96,495 MSRP |