← all 2016 Cadillac CT6 AWD trims
2016 Cadillac CT6 AWD — 3.6L 6-cyl, S8 automatic, AWD
This 2016 Cadillac CT6 AWD (3.6L 6-cyl, S8 automatic, AWD) takes regular (87-octane) gasoline. REGULAR
21
MPG combined (18 city / 27 hwy)
$2,714
est. fuel cost / year (today’s prices, 15k mi)
414 g/mi
tailpipe CO₂
At today's AAA national average price ($3.80/gal, 2026-07-05) — the EPA's own price/date assumption isn't exposed in the public dataset, so we recompute this from the EPA's MPG figure and a sourced current price.
EPA updated its fuel-economy equations again for model year 2017 — mostly affecting hybrids and turbocharged engines — and recalculated 2011-2016 ratings to match, in some cases 1-2 MPG lower. The number above already reflects that update.
Other 2016 Cadillac CT6 AWD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.0L 6-cyl, S8 automatic, AWD | PREMIUM | 21 | $3,343 |
EPA fuel type: Regular · class: Large Cars · engine: 3.6L 6-cyl · transmission: S8 automatic · drive: AWD · MPG retrieved 2026-07-24.