2018 Cadillac CT6
5 trims · 10 configurations · Sedan
Starting MSRP
$54,095 – $88,295
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How much should you pay for the Cadillac CT6? Select a trim to update purchase and lease estimates.
MSRP by trim
Select a trim to update the payment estimates. MSRP is for each trim's base configuration and excludes destination, taxes, and options.
Purchase information
Based on Base
Total price (Base MSRP)
$54,095
Typical monthly
$1,071/mo
Avg. APR
7.00%
60-month loan estimate for good credit (rates as of 2026-07-11). Not a credit offer; actual APR varies by lender, credit, and dealer.
Open loan calculatorCompare 2018 Cadillac CT6 trims
Base
2 configurations
- MSRP
- $54,095 – $56,095
- Fuel economy (city/hwy)
- 22/30
- Horsepower
- 265 hp
- Torque
- 295 lb-ft
- Engine
- 2L I4 gas
- Seating
- 5
- Drivetrain
- RWD
- Cargo (cu ft)
- 15.3
- Max towing
- —
Luxury
3 configurations
- MSRP
- $59,195 – $65,195
- Fuel economy (city/hwy)
- 22/30
- Horsepower
- 265 hp
- Torque
- 295 lb-ft
- Engine
- 2L I4 gas
- Seating
- 5
- Drivetrain
- RWD
- Cargo (cu ft)
- 15.3
- Max towing
- —
Premium Luxury
2 configurations
- MSRP
- $65,295 – $69,295
- Fuel economy (city/hwy)
- 18/27
- Horsepower
- 335 hp
- Torque
- 284 lb-ft
- Engine
- 3.6L V6 gas
- Seating
- 5
- Drivetrain
- AWD
- Cargo (cu ft)
- 15.3
- Max towing
- 1,000 lbs
PLUG-IN
- MSRP
- $75,095
- Fuel economy (city/hwy)
- 23/29
- Horsepower
- 335 hp
- Torque
- 432 lb-ft
- Engine
- 2L I4 plug-in hybrid
- Seating
- 5
- Drivetrain
- RWD
- Cargo (cu ft)
- 10.6
- Max towing
- —
Platinum
2 configurations
- MSRP
- $84,295 – $88,295
- Fuel economy (city/hwy)
- 18/27
- Horsepower
- 335 hp
- Torque
- 284 lb-ft
- Engine
- 3.6L V6 gas
- Seating
- 5
- Drivetrain
- AWD
- Cargo (cu ft)
- 15.3
- Max towing
- 1,000 lbs
| Spec | Base2 configurations | Luxury3 configurations | Premium Luxury2 configurations | PLUG-IN | Platinum2 configurations |
|---|---|---|---|---|---|
| MSRP | $54,095 – $56,095 | $59,195 – $65,195 | $65,295 – $69,295 | $75,095 | $84,295 – $88,295 |
| Fuel economy (city/hwy) | 22/30 | 22/30 | 18/27 | 23/29 | 18/27 |
| Horsepower | 265 hp | 265 hp | 335 hp | 335 hp | 335 hp |
| Torque | 295 lb-ft | 295 lb-ft | 284 lb-ft | 432 lb-ft | 284 lb-ft |
| Engine | 2L I4 gas | 2L I4 gas | 3.6L V6 gas | 2L I4 plug-in hybrid | 3.6L V6 gas |
| Seating | 5 | 5 | 5 | 5 | 5 |
| Drivetrain | RWD | RWD | AWD | RWD | AWD |
| Cargo (cu ft) | 15.3 | 15.3 | 15.3 | 10.6 | 15.3 |
| Max towing | — | — | 1,000 lbs | — | 1,000 lbs |
Specifications shown for each trim’s base configuration; drivetrain, cab, and box options vary within a trim, and MSRP shows the full range. MSRP excludes destination fees, taxes, and dealer-installed options.
Full specifications
Shown for each trim's base configuration. Drivetrain, cab, and box options within a trim can change dimensions, capacities, and fuel economy.
Engine & drivetrain
- Engine type
- BasegasLuxurygasPremium LuxurygasPLUG-INplug-in hybridPlatinumgas
- Fuel type
- Basepremium unleaded (recommended)Luxurypremium unleaded (recommended)Premium Luxuryregular unleadedPLUG-INpremium unleaded (recommended)Platinumregular unleaded
- Cylinders
- BaseI4LuxuryI4Premium LuxuryV6PLUG-INI4PlatinumV6
- Displacement
- Base2 LLuxury2 LPremium Luxury3.6 LPLUG-IN2 LPlatinum3.6 L
- Horsepower
- Base265 hpLuxury265 hpPremium Luxury335 hpPLUG-IN335 hpPlatinum335 hp
- Torque
- Base295 lb-ftLuxury295 lb-ftPremium Luxury284 lb-ftPLUG-IN432 lb-ftPlatinum284 lb-ft
- Transmission
- Base8-speed shiftable automaticLuxury8-speed shiftable automaticPremium Luxury8-speed shiftable automaticPLUG-INelectrically variable-speed automaticPlatinum8-speed shiftable automatic
- Drivetrain
- Baserear wheel driveLuxuryrear wheel drivePremium Luxuryall wheel drivePLUG-INrear wheel drivePlatinumall wheel drive
Dimensions
- Body type
- BaseSedanLuxurySedanPremium LuxurySedanPLUG-INSedanPlatinumSedan
- Doors
- Base4Luxury4Premium Luxury4PLUG-IN4Platinum4
- Seating
- Base5Luxury5Premium Luxury5PLUG-IN5Platinum5
- Length
- Base204.1 inLuxury204.1 inPremium Luxury204.1 inPLUG-IN204.1 inPlatinum204.1 in
- Width
- Base74 inLuxury74 inPremium Luxury74 inPLUG-IN74 inPlatinum74 in
- Height
- Base58 inLuxury58 inPremium Luxury58 inPLUG-IN58 inPlatinum58 in
- Wheelbase
- Base122.4 inLuxury122.4 inPremium Luxury122.4 inPLUG-IN122.4 inPlatinum122.4 in
Capacity & weight
- Cargo capacity
- Base15.3 cu ftLuxury15.3 cu ftPremium Luxury15.3 cu ftPLUG-IN10.6 cu ftPlatinum15.3 cu ft
- Max cargo capacity
- Base15.3 cu ftLuxury15.3 cu ftPremium Luxury15.3 cu ftPLUG-IN10.6 cu ftPlatinum15.3 cu ft
- Max towing
- Base—Luxury—Premium Luxury1,000 lbsPLUG-IN—Platinum1,000 lbs
- Curb weight
- Base3,666 lbsLuxury3,702 lbsPremium Luxury4,057 lbsPLUG-IN4,537 lbsPlatinum4,280 lbs
- Fuel tank
- Base19.5 galLuxury19.5 galPremium Luxury19.5 galPLUG-IN15.6 galPlatinum19.5 gal
Fuel economy & EV
- Combined MPG
- Base25Luxury25Premium Luxury21PLUG-IN25Platinum21
- City MPG
- Base22Luxury22Premium Luxury18PLUG-IN23Platinum18
- Highway MPG
- Base30Luxury30Premium Luxury27PLUG-IN29Platinum27
- Combined MPGe
- Base—Luxury—Premium Luxury—PLUG-IN62Platinum—
- Electric range
- Base—Luxury—Premium Luxury—PLUG-IN31 miPlatinum—
- Charge time (240V)
- Base—Luxury—Premium Luxury—PLUG-IN4.5 hrPlatinum—
| Spec | Base | Luxury | Premium Luxury | PLUG-IN | Platinum |
|---|---|---|---|---|---|
| Engine & drivetrain | |||||
| Engine type | gas | gas | gas | plug-in hybrid | gas |
| Fuel type | premium unleaded (recommended) | premium unleaded (recommended) | regular unleaded | premium unleaded (recommended) | regular unleaded |
| Cylinders | I4 | I4 | V6 | I4 | V6 |
| Displacement | 2 L | 2 L | 3.6 L | 2 L | 3.6 L |
| Horsepower | 265 hp | 265 hp | 335 hp | 335 hp | 335 hp |
| Torque | 295 lb-ft | 295 lb-ft | 284 lb-ft | 432 lb-ft | 284 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic | 8-speed shiftable automatic | electrically variable-speed automatic | 8-speed shiftable automatic |
| Drivetrain | rear wheel drive | rear wheel drive | all wheel drive | rear wheel drive | all wheel drive |
| Dimensions | |||||
| Body type | Sedan | Sedan | Sedan | Sedan | Sedan |
| Doors | 4 | 4 | 4 | 4 | 4 |
| Seating | 5 | 5 | 5 | 5 | 5 |
| Length | 204.1 in | 204.1 in | 204.1 in | 204.1 in | 204.1 in |
| Width | 74 in | 74 in | 74 in | 74 in | 74 in |
| Height | 58 in | 58 in | 58 in | 58 in | 58 in |
| Wheelbase | 122.4 in | 122.4 in | 122.4 in | 122.4 in | 122.4 in |
| Capacity & weight | |||||
| Cargo capacity | 15.3 cu ft | 15.3 cu ft | 15.3 cu ft | 10.6 cu ft | 15.3 cu ft |
| Max cargo capacity | 15.3 cu ft | 15.3 cu ft | 15.3 cu ft | 10.6 cu ft | 15.3 cu ft |
| Max towing | — | — | 1,000 lbs | — | 1,000 lbs |
| Curb weight | 3,666 lbs | 3,702 lbs | 4,057 lbs | 4,537 lbs | 4,280 lbs |
| Fuel tank | 19.5 gal | 19.5 gal | 19.5 gal | 15.6 gal | 19.5 gal |
| Fuel economy & EV | |||||
| Combined MPG | 25 | 25 | 21 | 25 | 21 |
| City MPG | 22 | 22 | 18 | 23 | 18 |
| Highway MPG | 30 | 30 | 27 | 29 | 27 |
| Combined MPGe | — | — | — | 62 | — |
| Electric range | — | — | — | 31 mi | — |
| Charge time (240V) | — | — | — | 4.5 hr | — |