Audi A6 Quattro vs Cadillac CT5
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Cadillac CT5
Overview
| Spec | Audi A6 QuattroPremium | Cadillac CT5Premium Luxury |
|---|---|---|
| Selected trim | Premium | Premium Luxury |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (recommended) |
| Transmission | 7-speed automated manual | 10-speed shiftable automatic |
| Engine type | mild hybrid | gas |
| Model year | 2025 | 2026 |
Pricing & market
| Spec | Audi A6 QuattroPremium | Cadillac CT5Premium Luxury |
|---|---|---|
| MSRP | $58,100 | $48,600 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi A6 QuattroPremium | Cadillac CT5Premium Luxury |
|---|---|---|
| Combined MPG | 26 MPG | 26 MPG |
| City MPG | 24 MPG (best) | 22 MPG |
| Highway MPG | 31 MPG | 31 MPG |
| Fuel tank | 19.3 gal (best) | 17 gal |
Performance
| Spec | Audi A6 QuattroPremium | Cadillac CT5Premium Luxury |
|---|---|---|
| Horsepower | 261 hp (best) | 237 hp |
| Torque | 273 lb-ft (best) | 258 lb-ft |
| Engine size | 2 L | 2 L |
| Cylinders | I4 | I4 |
Size & capability
| Spec | Audi A6 QuattroPremium | Cadillac CT5Premium Luxury |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.7 cu ft (best) | 11.9 cu ft |
| Payload | 1,102 lbs (best) | — |
| Curb weight | 4,101 lbs | 3,663 lbs (best) |
| Ground clearance | 4.2 in (best) | — |
| Wheelbase | 115.1 in | 116 in (best) |
| Length | 194.4 in (best) | 193.8 in |
| Width | 74.3 in (best) | 74.1 in |
| Height | 57.4 in (best) | 57.2 in |
Safety & recalls
| Spec | Audi A6 QuattroPremium | Cadillac CT5Premium Luxury |
|---|---|---|
| NHTSA overall | — | 5 / 5 ★ (best) |
| Frontal crash (driver) | — | 5 / 5 ★ (best) |
| Frontal crash (passenger) | — | 5 / 5 ★ (best) |
| Side crash (driver) | — | 5 / 5 ★ (best) |
| Side crash (passenger) | — | 5 / 5 ★ (best) |
| Side pole | — | 5 / 5 ★ (best) |
| Rollover | — | 5 / 5 ★ (best) |
| Open recalls (YMM scope) | None reported (best) | 1 |
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 A6 Quattro | Cadillac CT5 |
|---|---|---|
| 1 | Premium $58,100 MSRP(Currently comparing) | Premium Luxury $48,600 MSRP(Currently comparing) |
| 2 | Premium $62,600 MSRP | Sport $49,600 MSRP |
| 3 | Premium Plus $62,800 MSRP | V $57,600 MSRP |
| 4 | Premium Plus $67,300 MSRP | V Blackwing $97,600 MSRP |
| 5 | Prestige $73,350 MSRP | — |
Audi A6 Quattro vs Cadillac CT5 FAQ
- Which is better: 2025 Audi A6 Quattro or 2026 Cadillac CT5?
- It depends on priorities. OpenDealer compares 2025 Audi A6 Quattro vs 2026 Cadillac CT5 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2025 Audi A6 Quattro or 2026 Cadillac CT5?
- Based on starting MSRP, the 2026 Cadillac CT5 starts lower at $48,600.
- Which has better startingMsrp: 2025 Audi A6 Quattro or 2026 Cadillac CT5?
- The 2026 Cadillac CT5 leads on startingMsrp in this comparison (48,600).
- Which has better horsepower: 2025 Audi A6 Quattro or 2026 Cadillac CT5?
- The 2026 Cadillac CT5 leads on horsepower in this comparison (668).
- How do the NHTSA safety ratings compare for 2025 Audi A6 Quattro vs 2026 Cadillac CT5?
- NHTSA overall crash-test ratings in this comparison: Cadillac CT5 (5/5 NHTSA overall).