Cadillac · model year 2020
2020 Cadillac CT6
Specifications and certified data for the 2020 model year. All Cadillac CT6 model years →
2020 US EPA fuel-economy records
| Year | Engine | Drive | Transmission | Fuel | MPG (US) comb. | CO₂ g/mi | EV range mi | Source |
|---|---|---|---|---|---|---|---|---|
| 2020 | 3.6 L 6-cyl | All-Wheel Drive | Automatic (S10) | Regular | 21 | 420 | — | EPA ↗ |
| 2020 | 4.2 L 8-cyl | All-Wheel Drive | Automatic (S10) | Premium | 17 | 521 | — | EPA ↗ |
US EPA test figures (US MPG, US test cycle), fueleconomy.gov ↗, US government public domain.
US safety recalls
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25V148000 2025-03-06 · model years 2019, 2020
POWER TRAIN:AUTOMATIC TRANSMISSION
General Motors LLC (GM) is recalling certain 2019-2020 Cadillac CT6, 2020-2021 CT4, CT5, and 2020-2022 Chevrolet Camaro vehicles equipped with a 10-speed transmission. The transmission may become damaged internally and cause the wheels to lock-up.
Remedy: Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet…
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19V731000 2019-10-15 · model years 2020
TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
General Motors LLC (GM) is recalling certain 2020 Cadillac CT6 vehicles equipped with dealer-installed accessory 20" x 8.50" wheels (RPO 5JO or SHH). The tire pressure monitoring system (TPMS) sensors use the incorrect wireless radio frequency and cannot illuminate the low pressure warning light when the tire pressure…
Remedy: GM will notify owners, and dealers will replace all four TPMS sensors with the correct sensors, free of charge. The recall began December 3, 2019. Owners may contact GM customer service at 1-586-596-1733. GM's number…
NHTSA recalls database (US government, public domain). Recalls apply to US-market vehicles; check the manufacturer for your country.
Generation in 2020
Sources
- US EPA / DOE FuelEconomy.gov — https://www.fueleconomy.gov/feg/ws/index.shtmlUS Government public domain
- NHTSA recalls database — https://www.nhtsa.gov/recallsUS Government public domain
- Car Model Index — https://models.autoculturesociety.com/Compiled record. Sources that do not permit reuse are not copied; this index is credited instead.