Cadillac CT6 first generation

Cadillac CT6 first generation
Photo: Kevauto / Wikimedia Commons · CC BY-SA 4.0

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

SpecificationEuropeNorth AmericaWikipedia
Dimensions
Length5,180 mm RDW5,180–5,230 mm TC5,184–5,227 mm
Width1,880 mm RDW1,880 mm TC1,880 mm
Height1,500 mm RDW1,470 mm TC1,473 mm
Wheelbase3,110 mm RDW3,100–3,110 mm TC3,109 mm
Front track1,614 mm ASTRA1,610–1,630 mm TC–
Rear track1,630 mm ASTRA1,630–1,650 mm TC–
Weights and towing
Kerb weight1,854–1,925 kg RDW1,654–2,008 kg TC1,655–1,995 kg
Mass in running order1,954–2,025 kg RDW––
Gross vehicle weight2,425 kg RDW––
Seats and space
Seats5 RDW––
Doors4 RDW––
Luggage space (EPA)–283–425 L EPA–
Passenger space (EPA)–3,002–3,115 L EPA–
Performance
Top speed240–250 km/h RDW––
Torque555 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 versionEnginePowerFuelCO₂EU registrations
2016–20193.0 L307 kW (417 PS)Petrol221–224 g/km398

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 versionEngineFuelGearboxConsumption (combined)CO₂
20183.0L V6 AWD Luxury3.0 LPetrol8-speed automatic9.6 L/100 km NEDC218 g/km
20183.0L V6 AWD Platinum3.0 LPetrol8-speed automatic9.8 L/100 km NEDC223 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 versionEngineFuelGearboxDriveConsumption (combined)CO₂
2019–2020SIDI3.6 LPetrol10-speed automaticAll-wheel drive21 MPG (11.2 L/100 km) EPA261 g/km
2019–2020SIDI4.2 LPetrol10-speed automaticAll-wheel drive17 MPG (13.8 L/100 km) EPA324 g/km
2019SIDI2.0 LPetrol10-speed automaticRear-wheel drive28 MPG (8.4 L/100 km) EPA197 g/km
2019SIDI3.0 LPetrol10-speed automaticAll-wheel drive21 MPG (11.2 L/100 km) EPA267 g/km
2016–2018SIDI2.0 LPetrol8-speed automaticRear-wheel drive25 MPG (9.4 L/100 km) EPA222–224 g/km
2017–2018SIDI; PHEV2.0 LPlug-in hybridContinuously variable (CVT)Rear-wheel drive25–26 MPG (9.0–9.4 L/100 km) EPA89 g/km
2016–2018SIDI3.0 LPetrol8-speed automaticAll-wheel drive21 MPG (11.2 L/100 km) EPA263 g/km
2016–2018SIDI3.6 LPetrol8-speed automaticAll-wheel drive21 MPG (11.2 L/100 km) EPA257–259 g/km

Canada 7 versions

Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).

Years and versionEngineFuelGearboxConsumption (combined)CO₂Electric range
2019–2020Full-size3.6 LPetrol10-speed automatic11.0–11.1 L/100 km 5-cycle259–261 g/km–
2019–2020Full-size4.2 LPetrol10-speed automatic13.8 L/100 km 5-cycle324 g/km–
2019Full-size3.0 LPetrol10-speed automatic11.3 L/100 km 5-cycle267 g/km–
2017–2018Mid-size2.0 LPlug-in hybridContinuously variable (CVT)9.2 L/100 km 5-cycle89 g/km50 km
2016–2018Full-size2.0 LPetrol8-speed automatic9.5 L/100 km 5-cycle222–224 g/km–
2016–2018Full-size3.0 LPetrol8-speed automatic11.2 L/100 km 5-cycle263 g/km–
2016–2018Full-size3.6 LPetrol8-speed automatic11.0–11.1 L/100 km 5-cycle257–261 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.