Audi A6 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 A6Premium | 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 | 2026 | 2026 |
Pricing & market
| Spec | Audi A6Premium | Cadillac CT5Premium Luxury |
|---|---|---|
| MSRP | $64,100 | $48,600 (best) |
| Lowest listing price | $14,990 (best) | $26,597 |
| Median listing price | $23,600 (best) | $39,771 |
| Highest listing price | $23,999 (best) | $60,837 |
| For sale now | 5 | 11 (best) |
Fuel economy & range
| Spec | Audi A6Premium | Cadillac CT5Premium Luxury |
|---|---|---|
| Combined MPG | 23 MPG | 26 MPG (best) |
| City MPG | 20 MPG | 23 MPG (best) |
| Highway MPG | 29 MPG | 32 MPG (best) |
| Fuel tank | 19.3 gal (best) | 17 gal |
Performance
| Spec | Audi A6Premium | Cadillac CT5Premium Luxury |
|---|---|---|
| Horsepower | 362 hp (best) | 237 hp |
| Torque | 406 lb-ft (best) | 258 lb-ft |
| Engine size | 3 L (best) | 2 L |
| Cylinders | V6 | I4 |
Size & capability
| Spec | Audi A6Premium | Cadillac CT5Premium Luxury |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.5 cu ft (best) | 11.9 cu ft |
| Curb weight | 4,310 lbs | 3,663 lbs (best) |
| Wheelbase | 115.1 in | 116 in (best) |
| Length | 196.8 in (best) | 193.8 in |
| Width | 73.8 in | 74.1 in (best) |
| Height | 57.4 in (best) | 57.2 in |
Safety & recalls
| Spec | Audi A6Premium | Cadillac CT5Premium Luxury |
|---|---|---|
| NHTSA overall | Not Rated | 5 / 5 ★ (best) |
| Frontal crash (driver) | Not Rated | 5 / 5 ★ (best) |
| Frontal crash (passenger) | Not Rated | 5 / 5 ★ (best) |
| Side crash (driver) | Not Rated | 5 / 5 ★ (best) |
| Side crash (passenger) | Not Rated | 5 / 5 ★ (best) |
| Side pole | Not Rated | 5 / 5 ★ (best) |
| Rollover | Not Rated | 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 | Cadillac CT5 |
|---|---|---|
| 1 | Premium $64,100 MSRP(Currently comparing) | Premium Luxury $48,600 MSRP(Currently comparing) |
| 2 | Premium Plus $67,500 MSRP | Sport $49,600 MSRP |
| 3 | Prestige $71,400 MSRP | V $57,600 MSRP |
| 4 | — | V Blackwing $97,600 MSRP |
Live inventory
Audi A65 for sale
See all
Used2017 Audi A6
2.0T Premium
Brilliant Black•black106,765 mi$14,990Drive Appeal
Eden Prairie, MN
Used2019 Audi A6
2.0T Premium Plus
White•Pearl Beige66,144 mi$23,889Lake City Chrysler Dodge Jeep Ram
Lake City, FL
Used2021 Audi A6
3.0T Prestige
Glacier White•brown72,008 mi$23,999Porsche Conshohocken
Conshohocken, PA
Used2019 Audi A6
Premium
black•black44,560 mi$23,192Audi Tampa
Tampa, FL
Used2019 Audi A6
3.0T Premium Plus
Mythos Black Metallic•Black58,124 mi$23,600LeithCars.com
Raleigh, NC
Cadillac CT511 for sale
See all
Certified2020 Cadillac CT5
Premium Luxury
Crystal White Tricoat•Maple Sugar With Jet Black Accents62,842 mi$26,597Greensboro Auto Center
Greensboro, NC
New2026 Cadillac CT5
Sport
Black Raven•Jet Black With Jet Black Accents, Leather Seating Surfaces23 mi$60,837Huston Cadillac
Lake Wales, FL
New2026 Cadillac CT5
Premium Luxury
Black Raven23 mi$55,862Huston Cadillac
Lake Wales, FL
Certified2023 Cadillac CT5
Luxury
Argent Silver Metallic•Jet Black with Jet Black Accents, Inteluxe Seats28,231 mi$32,436Bayway Cadillac of the Woodlands
The Woodlands, TX
Used2025 Cadillac CT5
Sport
Black Raven•Jet Black37,255 mi$43,632North Dallas Chrysler Dodge Jeep Ram
Dallas, TX
New2026 Cadillac CT5
Premium Luxury
Black Raven•Jet Black With Jet Black Accents, Leather Seating Surfaces3,527 mi$55,065Tom Clark Cadillac
Denton, TX
Audi A6 vs Cadillac CT5 FAQ
- Which is better: 2026 Audi A6 or 2026 Cadillac CT5?
- It depends on priorities. OpenDealer compares 2026 Audi A6 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: 2026 Audi A6 or 2026 Cadillac CT5?
- Based on starting MSRP, the 2026 Cadillac CT5 starts lower at $48,600. Live Audi A6 listings start at $14,990. Live Cadillac CT5 listings start at $26,597.
- Which has better startingMsrp: 2026 Audi A6 or 2026 Cadillac CT5?
- The 2026 Cadillac CT5 leads on startingMsrp in this comparison (48,600).
- Which has better combinedMpg: 2026 Audi A6 or 2026 Cadillac CT5?
- The 2026 Cadillac CT5 leads on combinedMpg in this comparison (26).
- Which has better horsepower: 2026 Audi A6 or 2026 Cadillac CT5?
- The 2026 Cadillac CT5 leads on horsepower in this comparison (668).
- How do the NHTSA safety ratings compare for 2026 Audi A6 vs 2026 Cadillac CT5?
- NHTSA overall crash-test ratings in this comparison: Audi A6 (Not Rated/5 NHTSA overall); Cadillac CT5 (5/5 NHTSA overall).