Cadillac CT6 first generation

The Cadillac CT6 first generation (2016–2020): dimensions, weights, reliability and the official figures of its 18 versions in the European Union, the United Kingdom, the United States, and Canada.
Model codes: Omega
Dimensions, weights and capacity
| Specification | Europe | North America | Wikipedia |
|---|---|---|---|
| Dimensions | |||
| Length | 5,180 mm RDW | 5,180–5,230 mm TC | 5,184–5,227 mm |
| Width | 1,880 mm RDW | 1,880 mm TC | 1,880 mm |
| Height | 1,500 mm RDW | 1,470 mm TC | 1,473 mm |
| Wheelbase | 3,110 mm RDW | 3,100–3,110 mm TC | 3,109 mm |
| Front track | 1,614 mm ASTRA | 1,610–1,630 mm TC | – |
| Rear track | 1,630 mm ASTRA | 1,630–1,650 mm TC | – |
| Weights and towing | |||
| Kerb weight | 1,854–1,925 kg RDW | 1,654–2,008 kg TC | 1,655–1,995 kg |
| Mass in running order | 1,954–2,025 kg RDW | – | – |
| Gross vehicle weight | 2,425 kg RDW | – | – |
| Seats and space | |||
| Seats | 5 RDW | – | – |
| Doors | 4 RDW | – | – |
| Luggage space (EPA) | – | 283–425 L EPA | – |
| Passenger space (EPA) | – | 3,002–3,115 L EPA | – |
| Performance | |||
| Top speed | 240–250 km/h RDW | – | – |
| Torque | 555 Nm ASTRA | – | – |
| Electric motor power | – | 178 kW NRCan | – |
| Electric | |||
| Charging time at 240 V | – | 4.5 h EPA | – |
Tyre sizes (most common first): 245/40R20
Ranges cover the generation’s versions and body styles; European and North American versions can differ. Sources: RDW type approvals (Netherlands), Transport Canada vehicle specifications, Wikipedia (en, de, pl), ASTRA type approvals (Switzerland), US EPA fuel economy data, Natural Resources Canada. Wikipedia figures are used under CC BY-SA 4.0.
Reliability and owner reports
Owner complaints to NHTSA (US)
77 complaints for model years 2016–2020. 4 crashes · 2 injuries · 1 death
- Transmission and drivetrain 47
Complaints are reported by owners and not checked by NHTSA; they are not adjusted for how many cars were sold, so popular models have more. NHTSA owner complaints
All 18 versions of the Cadillac CT6 first generation
Show all 18 versions
European Union 1 version
New cars registered in the EU (plus Norway and Iceland), from the European Environment Agency. Figures on the NEDC procedure until 2020 and on WLTP from 2021; versions are grouped by engine and power, with their number of registrations.
| Years and version | Engine | Power | Fuel | CO₂ | EU registrations |
|---|---|---|---|---|---|
| 2016–2019 | 3.0 L | 307 kW (417 PS) | Petrol | 221–224 g/km | 398 |
United Kingdom 2 versions
New cars on sale in the UK, from the Vehicle Certification Agency. NEDC figures until 2018 and WLTP figures after; years are the editions a version appeared in.
| Years and version | Engine | Fuel | Gearbox | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|
| 20183.0L V6 AWD Luxury | 3.0 L | Petrol | 8-speed automatic | 9.6 L/100 km NEDC | 218 g/km |
| 20183.0L V6 AWD Platinum | 3.0 L | Petrol | 8-speed automatic | 9.8 L/100 km NEDC | 223 g/km |
United States 8 versions
Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.
| Years and version | Engine | Fuel | Gearbox | Drive | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|---|
| 2019–2020SIDI | 3.6 L | Petrol | 10-speed automatic | All-wheel drive | 21 MPG (11.2 L/100 km) EPA | 261 g/km |
| 2019–2020SIDI | 4.2 L | Petrol | 10-speed automatic | All-wheel drive | 17 MPG (13.8 L/100 km) EPA | 324 g/km |
| 2019SIDI | 2.0 L | Petrol | 10-speed automatic | Rear-wheel drive | 28 MPG (8.4 L/100 km) EPA | 197 g/km |
| 2019SIDI | 3.0 L | Petrol | 10-speed automatic | All-wheel drive | 21 MPG (11.2 L/100 km) EPA | 267 g/km |
| 2016–2018SIDI | 2.0 L | Petrol | 8-speed automatic | Rear-wheel drive | 25 MPG (9.4 L/100 km) EPA | 222–224 g/km |
| 2017–2018SIDI; PHEV | 2.0 L | Plug-in hybrid | Continuously variable (CVT) | Rear-wheel drive | 25–26 MPG (9.0–9.4 L/100 km) EPA | 89 g/km |
| 2016–2018SIDI | 3.0 L | Petrol | 8-speed automatic | All-wheel drive | 21 MPG (11.2 L/100 km) EPA | 263 g/km |
| 2016–2018SIDI | 3.6 L | Petrol | 8-speed automatic | All-wheel drive | 21 MPG (11.2 L/100 km) EPA | 257–259 g/km |
Canada 7 versions
Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).
| Years and version | Engine | Fuel | Gearbox | Consumption (combined) | CO₂ | Electric range |
|---|---|---|---|---|---|---|
| 2019–2020Full-size | 3.6 L | Petrol | 10-speed automatic | 11.0–11.1 L/100 km 5-cycle | 259–261 g/km | – |
| 2019–2020Full-size | 4.2 L | Petrol | 10-speed automatic | 13.8 L/100 km 5-cycle | 324 g/km | – |
| 2019Full-size | 3.0 L | Petrol | 10-speed automatic | 11.3 L/100 km 5-cycle | 267 g/km | – |
| 2017–2018Mid-size | 2.0 L | Plug-in hybrid | Continuously variable (CVT) | 9.2 L/100 km 5-cycle | 89 g/km | 50 km |
| 2016–2018Full-size | 2.0 L | Petrol | 8-speed automatic | 9.5 L/100 km 5-cycle | 222–224 g/km | – |
| 2016–2018Full-size | 3.0 L | Petrol | 8-speed automatic | 11.2 L/100 km 5-cycle | 263 g/km | – |
| 2016–2018Full-size | 3.6 L | Petrol | 8-speed automatic | 11.0–11.1 L/100 km 5-cycle | 257–261 g/km | – |
Similar models from other brands
Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.





