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Compare Cadillac CT6 vs Kia Optima

Reviews

Neoscore
86%
69%
Pros
  • Multi-link suspension on all four corners
  • Surprisingly good handling for a large sedan
  • Up to 550hp and 868Nm of torque (CT6-V)
  • Down to very low 1.7L/100km fuel consumption (PHEV)
  • Good 0.27 drag coefficient
  • Handsome styling
  • Good handling characteristics
Cons
  • Stuck with MacPherson struts in the front

Variants

2.0T
2.0T (340 Hp) PHEV
2.0T PHEV
3.0T V6 AWD
3.6L V6 AWD
CT6-V Blackwing
1.6 T-GDI AWD
1.6T-GDI
2.0
2.0 Hybrid
2.0 LPI
2.5 T-GDI DCT

Capacity

Cargo Capacity
2.0T433 L / 15.3 cu-ft2.0T (340 Hp) PHEV310 L / 10.9 cu-ft2.0T PHEV300 L / 10.6 cu-ft3.0T V6 AWD433 L / 15.3 cu-ft3.6L V6 AWD433 L / 15.3 cu-ftCT6-V Blackwing447 L / 15.8 cu-ft
453 L / 16.0 cu-ft
Coolant Capacity
2.0T8.6 L / 9.1 qt2.0T (340 Hp) PHEV8.6 L / 9.1 qt2.0T PHEV9.8 L / 10.4 qt3.0T V6 AWD10.6 L / 11.2 qt3.6L V6 AWD9.8 L / 10.4 qtCT6-V Blackwing10.9 L / 11.5 qt
4.5 L / 4.8 qt
Engine Oil Capacity
2.0T4.7 L / 5.0 qt2.0T (340 Hp) PHEV4.7 L / 5.0 qt2.0T PHEV4.7 L / 5.0 qt3.0T V6 AWD5.7 L / 6.0 qt3.6L V6 AWD5.7 L / 6.0 qtCT6-V Blackwing9.5 L / 10.0 qt
Fuel Capacity
2.0T74.0 L / 19.5 gal2.0T (340 Hp) PHEV59.0 L / 15.6 gal2.0T PHEV59.0 L / 15.6 gal3.0T V6 AWD74.0 L / 19.5 gal3.6L V6 AWD74.0 L / 19.5 galCT6-V Blackwing73.0 L / 19.3 gal
60.0 L / 15.9 gal
Passengers
5
5
Payload
1.6 T-GDI AWD468 kg / 1032 lbs1.6T-GDI468 kg / 1032 lbs2.0468 kg / 1032 lbs2.0 Hybrid468 kg / 1032 lbs2.0 LPI468 kg / 1032 lbs2.5 T-GDI DCT467 kg / 1030 lbs

Chassis

Brakes | Front
Ventilated discs2.0T13.6 in2.0T PHEV14.5 in
1.6 T-GDI AWDVentilated discs, 304.8 mm1.6T-GDIVentilated discs2.0Ventilated discs2.0 LPIVentilated discs2.5 T-GDI DCTVentilated discs, 345.44 mm
Brakes | Rear
Ventilated discs2.0T12.4 in2.0T PHEV13.3 in
1.6 T-GDI AWDDisc, 284.48 mm1.6T-GDIDisc2.0Disc2.0 LPIDisc2.5 T-GDI DCTDisc, 325.12 mm
Power Steering
Electric Steering
Electric Steering
Suspension | Front
Multi-link
MacPherson strut
Suspension | Rear
Multi-link
Multi-link
Tire Size
245/45 R19; 245/40 R202.0T235/50 R18, 245/45 R19, 245/40 R202.0T (340 Hp) PHEVFront wheel tires: 235/50 R18 Rear wheel tires: 265/45 R182.0T PHEV235/50 R183.0T V6 AWD235/50 R18, 245/45 R19, 245/40 R203.6L V6 AWD235/50 R18, 245/45 R19, 245/40 R20CT6-V Blackwing245/40 ZR20
1.6 T-GDI AWD205/65 R16 95H, 235/45 R18 94V1.6T-GDI215/55 R17, 235/45 R182.0215/55 R17, 235/45 R182.0 Hybrid205/65 R16, 215/55 R172.0 LPI205/65 R16, 215/55 R172.5 T-GDI DCT245/40 R19 94W
Turning Circle
2.0T12.2 m / 40.0 ft2.0T (340 Hp) PHEV12.2 m / 40.0 ft2.0T PHEV12.2 m / 40.0 ft3.0T V6 AWD11.3 m / 37.1 ft3.6L V6 AWD12.2 m / 40.0 ft
11.0 m / 36.1 ft

Construction

Battery | Capacity
1.8 kWh (gross)
Body Style
2.0T4-door Sedan2.0T (340 Hp) PHEV4-door plug-in hybrid Sedan2.0T PHEV4-door plug-in hybrid Sedan3.0T V6 AWD4-door Sedan3.6L V6 AWD4-door SedanCT6-V Blackwing4-door Sedan
1.6 T-GDI AWD4-door Hatchback1.6T-GDI4-door Hatchback2.04-door Hatchback2.0 Hybrid4-door hybrid Hatchback2.0 LPI4-door Hatchback2.5 T-GDI DCT4-door Hatchback

Dimensions

Ground Clearance
135 mm / 5.3 in
Size | Height
2.0T1472 mm / 58.0 in2.0T (340 Hp) PHEV1500 mm / 59.1 in2.0T PHEV1472 mm / 58.0 in3.0T V6 AWD1472 mm / 58.0 in3.6L V6 AWD1472 mm / 58.0 inCT6-V Blackwing1473 mm / 58.0 in
1445 mm / 56.9 in
Size | Length
2.0T5184 mm / 204.1 in2.0T (340 Hp) PHEV5179 mm / 203.9 in2.0T PHEV5184 mm / 204.1 in3.0T V6 AWD5184 mm / 204.1 in3.6L V6 AWD5184 mm / 204.1 inCT6-V Blackwing5227 mm / 205.8 in
1.6 T-GDI AWD4905 mm / 193.1 in1.6T-GDI4905 mm / 193.1 in2.04905 mm / 193.1 in2.0 Hybrid4095 mm / 161.2 in2.0 LPI4905 mm / 193.1 in2.5 T-GDI DCT4905 mm / 193.1 in
Size | Width
2.0T1879 mm / 74.0 in2.0T (340 Hp) PHEV1879 mm / 74.0 in2.0T PHEV1879 mm / 74.0 in3.0T V6 AWD1879 mm / 74.0 in3.6L V6 AWD1879 mm / 74.0 inCT6-V Blackwing1880 mm / 74.0 in
1.6 T-GDI AWD1859 mm / 73.2 in1.6T-GDI1860 mm / 73.2 in2.01860 mm / 73.2 in2.0 Hybrid1860 mm / 73.2 in2.0 LPI1860 mm / 73.2 in2.5 T-GDI DCT1859 mm / 73.2 in
Track Width | Front
2.0T1610.0 mm / 63.4 in2.0T (340 Hp) PHEV1617.0 mm / 63.7 in2.0T PHEV1610.0 mm / 63.4 in3.0T V6 AWD1610.0 mm / 63.4 in3.6L V6 AWD1610.0 mm / 63.4 inCT6-V Blackwing1610.0 mm / 63.4 in
1.6 T-GDI AWD1618.0 mm / 63.7 in1.6T-GDI1618.0 mm / 63.7 in2.01618.0 mm / 63.7 in2.0 Hybrid1623.0 mm / 63.9 in2.0 LPI1623.0 mm / 63.9 in2.5 T-GDI DCT1610.0 mm / 63.4 in
Track Width | Rear
2.0T1626.0 mm / 64.0 in2.0T (340 Hp) PHEV1640.0 mm / 64.6 in2.0T PHEV1626.0 mm / 64.0 in3.0T V6 AWD1626.0 mm / 64.0 in3.6L V6 AWD1626.0 mm / 64.0 inCT6-V Blackwing1626.0 mm / 64.0 in
1.6 T-GDI AWD1626.0 mm / 64.0 in1.6T-GDI1617.0 mm / 63.7 in2.01625.0 mm / 64.0 in2.0 Hybrid1630.0 mm / 64.2 in2.0 LPI1630.0 mm / 64.2 in2.5 T-GDI DCT1618.0 mm / 63.7 in
Weight
2.0T1659.0 kg / 3657.5 lbs2.0T (340 Hp) PHEV2000.0 kg / 4409.2 lbs2.0T PHEV2055.0 kg / 4530.5 lbs3.0T V6 AWD1853.0 kg / 4085.2 lbs3.6L V6 AWD1781.0 kg / 3926.4 lbsCT6-V Blackwing2032.0 kg / 4479.8 lbs
1.6 T-GDI AWD1507.0 kg / 3322.4 lbs1.6T-GDI1420.0 kg / 3130.6 lbs2.01415.0 kg / 3119.5 lbs2.0 Hybrid1495.0 kg / 3295.9 lbs2.0 LPI1410.0 kg / 3108.5 lbs2.5 T-GDI DCT1603.0 kg / 3534.0 lbs
Wheel Size
2.0T8J x 18, 8.5J x 19, 8.5J x 202.0T (340 Hp) PHEVFront wheel rims: 18 Rear wheel rims: 182.0T PHEV8J x 183.0T V6 AWD8J x 18, 8.5J x 19J, 8.5J x 203.6L V6 AWD8J x 18, 8.5J x 19, 8.5J x 20CT6-V Blackwing20 in
1.6 T-GDI AWD6.5J x 16, 7.5J x 181.6T-GDI17 in, 18 in2.017 in, 18 in2.0 Hybrid16 in, 17 in2.0 LPI16 in, 17 in2.5 T-GDI DCT8.0J x 19
Wheelbase
3109 mm / 122.4 in
2850 mm / 112.2 in

Performance

Acceleration | 0 - 60 mph
2.0T5.2 sec2.0T (340 Hp) PHEV5.1 sec2.0T PHEV5.2 secCT6-V Blackwing3.8 sec
CO2 Emission
1.6 T-GDI AWD121 ~ 127 g/km1.6T-GDI121 ~ 127 g/km2.0129 ~ 132 g/km2.0 Hybrid79 ~ 85 g/km2.0 LPI128 ~ 131 g/km
Coefficient Of Drag
0.30
0.27
Fuel Economy
2.0T9.4 L/100km / 25.0 MPG (combined) | 10.7 L/100km / 22.0 MPG (urban) | 7.8 L/100km / 30.2 MPG (highway)2.0T (340 Hp) PHEV1.7 L/100km / 138.4 MPG (combined)2.0T PHEV9.4 L/100km / 25.0 MPG (combined) | 10.7 L/100km / 22.0 MPG (urban) | 7.8 L/100km / 30.2 MPG (highway)3.0T V6 AWD11.2 L/100km / 21.0 MPG (combined) | 13.1 L/100km / 18.0 MPG (urban) | 9.0 L/100km / 26.1 MPG (highway)3.6L V6 AWD11.2 L/100km / 21.0 MPG (combined) | 13.1 L/100km / 18.0 MPG (urban) | 8.7 L/100km / 27.0 MPG (highway)CT6-V Blackwing16.8 L/100km / 14.0 MPG (urban) | 9.4 L/100km / 25.0 MPG (highway)
1.6 T-GDI AWD8.1 L/100km / 29.0 MPG (combined) | 9.0 L/100km / 26.1 MPG (urban) | 6.9 L/100km / 34.1 MPG (highway)1.6T-GDI7.2 L/100km / 32.7 MPG (combined) | 8.1 L/100km / 29.0 MPG (urban) | 6.1 L/100km / 38.6 MPG (highway)2.07.7 L/100km / 30.5 MPG (combined) | 8.7 L/100km / 27.0 MPG (urban) | 6.5 L/100km / 36.2 MPG (highway)2.0 Hybrid5.0 L/100km / 47.0 MPG (combined) | 5.0 L/100km / 47.0 MPG (urban) | 4.9 L/100km / 48.0 MPG (highway)2.0 LPI9.8 L/100km / 24.0 MPG (combined) | 11.1 L/100km / 21.2 MPG (urban) | 8.3 L/100km / 28.3 MPG (highway)

Powertrain

Drivetrain Layout
2.0TFront-engine (longitudinal), Rear-wheel drive2.0T (340 Hp) PHEVRear-wheel drive2.0T PHEVFront-engine (longitudinal), Rear-wheel drive3.0T V6 AWDFront-engine (longitudinal), All-wheel drive3.6L V6 AWDFront-engine (longitudinal), All-wheel driveCT6-V BlackwingAll-wheel drive
1.6 T-GDI AWDFront-engine (transverse), All-wheel drive1.6T-GDIFront-engine (transverse), Front-wheel drive2.0Front-engine (transverse), Front-wheel drive2.0 HybridFront-engine (longitudinal), Front-wheel drive2.0 LPIRear-engine (longitudinal), Front-wheel drive2.5 T-GDI DCTFront-engine (transverse), Front-wheel drive
Emission Standard
ULEV 70 - LEV III
Engine
2.0TLTG2.0T (340 Hp) PHEVLTG2.0T PHEVLTG3.0T V6 AWDLGW3.6L V6 AWDLGXCT6-V BlackwingLTA
Engine | Bore
2.0T86.0 mm / 3.4 in2.0T (340 Hp) PHEV86.0 mm / 3.4 in2.0T PHEV86.0 mm / 3.4 in3.0T V6 AWD86.0 mm / 3.4 in3.6L V6 AWD95.0 mm / 3.7 inCT6-V Blackwing86.0 mm / 3.4 in
1.6 T-GDI AWD75.6 mm / 3.0 in1.6T-GDI75.6 mm / 3.0 in2.075.6 mm / 3.0 in2.0 Hybrid75.6 mm / 3.0 in2.0 LPI75.6 mm / 3.0 in2.5 T-GDI DCT88.5 mm / 3.5 in
Engine | Compression Ratio
2.0T9.5:12.0T (340 Hp) PHEV9.5:12.0T PHEV9.5:13.0T V6 AWD9.8:13.6L V6 AWD11.5:1CT6-V Blackwing9.8:1
10.5:1
Engine | Displacement
2.0T2.0 L / 121.9 cu-in / 1998.0 cc2.0T (340 Hp) PHEV2.0 L / 121.9 cu-in / 1998.0 cc2.0T PHEV2.0 L / 121.9 cu-in / 1998.0 cc3.0T V6 AWD3.0 L / 182.5 cu-in / 2990.0 cc3.6L V6 AWD3.6 L / 222.7 cu-in / 3649.0 ccCT6-V Blackwing4.2 L / 255.8 cu-in / 4192.0 cc
1.6 T-GDI AWD1.6 L / 97.5 cu-in / 1598.0 cc1.6T-GDI1.6 L / 97.5 cu-in / 1598.0 cc2.02.0 L / 122.0 cu-in / 1999.0 cc2.0 Hybrid2.0 L / 122.0 cu-in / 1999.0 cc2.0 LPI2.0 L / 122.0 cu-in / 1999.0 cc2.5 T-GDI DCT2.5 L / 152.4 cu-in / 2497.0 cc
Engine | Power
2.0T269.0 hp / 200.6 kW @ 5500 rpm2.0T (340 Hp) PHEV276.0 hp / 205.8 kW @ 5300 rpm + 116.0 hp / 86.5 kW (electric motor)2.0T PHEV265.0 hp / 197.6 kW + 100.0 hp / 74.6 kW (electric motor)3.0T V6 AWD409.0 hp / 305.0 kW @ 5700 rpm3.6L V6 AWD340.0 hp / 253.5 kW @ 6800 rpmCT6-V Blackwing550.0 hp / 410.1 kW @ 5000 rpm
1.6 T-GDI AWD180.0 hp / 134.2 kW @ 5500 rpm1.6T-GDI180.0 hp / 134.2 kW @ 5500 rpm2.0160.0 hp / 119.3 kW @ 6500 rpm2.0 Hybrid156.0 hp / 116.3 kW @ 6000 rpm + 52.0 hp / 38.8 kW (electric motor)2.0 LPI146.0 hp / 108.9 kW @ 6000 rpm2.5 T-GDI DCT290.0 hp / 216.3 kW @ 5800 rpm
Engine | Redline
2.0T7000 rpm2.0T (340 Hp) PHEV7000 rpm2.0T PHEV7000 rpm3.0T V6 AWD6500 rpm3.6L V6 AWD7200 rpm
Engine | Specific Output
2.0T134.6 hp/L / 2.2 hp/cu-in2.0T (340 Hp) PHEV138.1 hp/L / 2.3 hp/cu-in2.0T PHEV132.6 hp/L / 2.2 hp/cu-in3.0T V6 AWD136.8 hp/L / 2.2 hp/cu-in3.6L V6 AWD93.2 hp/L / 1.5 hp/cu-inCT6-V Blackwing131.2 hp/L / 2.2 hp/cu-in
1.6 T-GDI AWD112.6 hp/L / 1.8 hp/cu-in1.6T-GDI112.6 hp/L / 1.8 hp/cu-in2.080.0 hp/L / 1.3 hp/cu-in2.0 Hybrid78.0 hp/L / 1.3 hp/cu-in2.0 LPI73.0 hp/L / 1.2 hp/cu-in2.5 T-GDI DCT116.1 hp/L / 1.9 hp/cu-in
Engine | Stroke
2.0T86.0 mm / 3.4 in2.0T (340 Hp) PHEV86.0 mm / 3.4 in2.0T PHEV86.0 mm / 3.4 in3.0T V6 AWD85.6 mm / 3.4 in3.6L V6 AWD85.8 mm / 3.4 inCT6-V Blackwing90.2 mm / 3.6 in
1.6 T-GDI AWD89.0 mm / 3.5 in1.6T-GDI89.0 mm / 3.5 in2.089.0 mm / 3.5 in2.0 Hybrid89.0 mm / 3.5 in2.0 LPI89.0 mm / 3.5 in2.5 T-GDI DCT101.5 mm / 4.0 in
Engine | Torque
2.0T400 Nm / 295.0 lb-ft @ 3000-4500 rpm2.0T (340 Hp) PHEV400 Nm / 295.0 lb-ft @ 3000-4300 rpm + 270 Nm / 199.1 lb-ft2.0T PHEV400 Nm / 295.0 lb-ft3.0T V6 AWD542 Nm / 399.8 lb-ft @ 2500-5100 rpm3.6L V6 AWD385 Nm / 284.0 lb-ft @ 5300 rpmCT6-V Blackwing868 Nm / 640.2 lb-ft @ 3400 rpm
1.6 T-GDI AWD264 Nm / 194.7 lb-ft @ 1500-4500 rpm1.6T-GDI265 Nm / 195.5 lb-ft @ 1500-4500 rpm2.0196 Nm / 144.6 lb-ft @ 4800 rpm2.0 Hybrid190 Nm / 140.1 lb-ft @ 5000 rpm + 205 Nm / 151.2 lb-ft @ 0-1770 rpm2.0 LPI191 Nm / 140.9 lb-ft @ 4200 rpm2.5 T-GDI DCT422 Nm / 311.3 lb-ft @ 1650-4000 rpm
Engine | Type
2.0TTurbocharged direct-injected petrol inline-4 DOHC engine with 4 values per cylinder2.0T (340 Hp) PHEVTurbocharged direct-injected petrol inline-4 engine2.0T PHEVTurbocharged direct-injected petrol inline-4 DOHC engine with 4 values per cylinder3.0T V6 AWDBi-turbocharged direct-injected petrol V6 DOHC engine with 4 values per cylinder3.6L V6 AWDNaturally-aspirated direct-injected petrol V6 DOHC engine with 4 values per cylinderCT6-V BlackwingBi-turbocharged direct-injected petrol V8 DOHC engine with 4 values per cylinder
1.6 T-GDI AWDTurbocharged direct-injected petrol inline-4 DOHC engine with 4 values per cylinder1.6T-GDITurbocharged direct-injected petrol inline-4 engine2.0Naturally-aspirated multi-port injected petrol inline-4 engine2.0 Hybridmulti-port injected petrol inline-4 engine with 4 values per cylinder2.0 LPINaturally-aspirated multi-port injected inline-4 engine with 4 values per cylinder2.5 T-GDI DCTTurbocharged direct- and multi-port-injected petrol inline-4 DOHC engine with 4 values per cylinder
Fuel Capacity
73.8 L
Transmission | Gears
10-speed2.0T8-speed2.0T (340 Hp) PHEV8-speed2.0T PHEV8-speed3.0T V6 AWD8-speed3.6L V6 AWD8-speedCT6-V Blackwing10-speed
1.6 T-GDI AWD8-speed1.6T-GDI8-speed2.06-speed2.0 Hybrid6-speed2.0 LPI6-speed2.5 T-GDI DCT8-speed
Transmission | Type
Automatic2.0TAutomatic Hydra-Matic2.0T (340 Hp) PHEVe-CVT2.0T PHEVe-CVT3.0T V6 AWDAutomatic Hydra-Matic3.6L V6 AWDAutomatic Hydra-MaticCT6-V BlackwingAutomatic
1.6 T-GDI AWDAutomatic1.6T-GDIAutomatic2.0Automatic2.0 HybridAutomatic2.0 LPIAutomatic2.5 T-GDI DCTDouble clutch transmission (DCT)

Production

Availability
2.0T2016 ~ 20202.0T (340 Hp) PHEV2016 ~ 20202.0T PHEV2017 ~ 20183.0T V6 AWD2016 ~ 20203.6L V6 AWD2016 ~ 2020CT6-V Blackwing2018 ~ 2020
2020
Debut
2015 New York Auto Show
Made In
US: Michigan; China: Shanghai
South Korea, USA
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