Site Title

Compare Cadillac CT4 vs BMW 4 Series Gran Coupe G26

Reviews

Neoscore
85%
71%
Pros
  • Beautiful design
  • Good build quality
  • Superb performance in the CT4-V
  • Decent performance
  • Good 0.26 drag coefficient
  • Good tech integration
  • Smooth engines
Cons
  • Stuck with MacPherson struts in the front
  • Low cargo capacity
  • AWD nonsense
  • Hunchback

Variants

2.0 Turbo
2.0 Turbo AWD
2.7 Turbo
2.7 Turbo AWD
CT4-V
CT4-V BLACKWING
420d
420d xDrive
420i
430i
M440i xDrive

Capacity

Cargo Capacity
303 L / 10.7 cu-ft
470 L / 16.6 cu-ft ~ 1290 L / 45.6 cu-ft
Coolant Capacity
2.0 Turbo10.4 L / 11.0 qt2.0 Turbo AWD10.4 L / 11.0 qt2.7 Turbo13.0 L / 13.7 qt2.7 Turbo AWD13.0 L / 13.7 qtCT4-V13.0 L / 13.7 qt
420d7.0 L / 7.4 qt420d xDrive7.0 L / 7.4 qt420i10.0 L / 10.6 qt430i9.8 L / 10.4 qtM440i xDrive10.5 L / 11.1 qt
Engine Oil Capacity
2.0 Turbo5.0 L / 5.3 qt2.0 Turbo AWD5.0 L / 5.3 qt2.7 Turbo5.7 L / 6.0 qt2.7 Turbo AWD5.7 L / 6.0 qtCT4-V5.7 L / 6.0 qtCT4-V BLACKWING6.6 L / 7.0 qt
420d5.5 L / 5.8 qt420d xDrive5.5 L / 5.8 qt420i5.2 L / 5.5 qt430i5.2 L / 5.5 qtM440i xDrive7.2 L / 7.6 qt
Fuel Capacity
66.0 L / 17.4 gal
59.0 L / 15.6 gal
Passengers
5
5
Payload
555 kg / 1224 lbs

Chassis

Brakes | Front
2.0 TurboVentilated discs, 300 mm2.0 Turbo AWDVentilated discs, 300 mm2.7 TurboVentilated discs, 300 mm2.7 Turbo AWDVentilated discs, 300 mmCT4-VVentilated discs, 321 mmCT4-V BLACKWINGVentilated discs, 380x34 mm
Ventilated discs
Brakes | Rear
2.0 TurboVentilated discs, 315 mm2.0 Turbo AWDVentilated discs, 315 mm2.7 TurboVentilated discs, 315 mm2.7 Turbo AWDVentilated discs, 315 mmCT4-VVentilated discs, 315 mmCT4-V BLACKWINGVentilated discs, 340.5x28 mm
Ventilated discs
Chassis Type
Unibody
Power Steering
Electric Steering
Electric Steering
Steering Ratio
420d14.8420i14.8430i14.8M440i xDrive13.6
Suspension | Front
MacPherson strut
MacPherson strut
Suspension | Rear
Multi-link
Multi-link
Tire Size
2.0 Turbo225/45 R17, 235/40 R182.0 Turbo AWD225/45 R17, 235/40 R182.7 Turbo225/45 R17, 235/40 R182.7 Turbo AWD225/45 R17, 235/40 R18CT4-V235/40 R18CT4-V BLACKWINGFront wheel tires: 255/35 R18 Rear wheel tires: 275/35 R18
420d225/55 R17 101Y XL420d xDrive225/55 R17 101Y XL420i225/55 R17 101Y XL430i225/55 R17 101Y XLM440i xDrive245/45 R18 100Y XL
Turning Circle
2.0 Turbo11.3 m / 37.1 ft2.0 Turbo AWD11.6 m / 38.0 ft2.7 Turbo11.3 m / 37.1 ft2.7 Turbo AWD11.6 m / 38.0 ftCT4-V11.3 m / 37.1 ft
12.0 m / 39.4 ft

Construction

Battery | Capacity
0.5 kWh (gross)
Body Style
4-door Sedan
Gran Coupe / Sedan420d5-door mild-hybrid Coupe420d xDrive5-door mild-hybrid Coupe420i5-door Coupe430i5-door CoupeM440i xDrive5-door mild-hybrid Coupe

Dimensions

Ground Clearance
140 mm / 5.5 in
Size | Height
2.0 Turbo1423 mm / 56.0 in2.0 Turbo AWD1423 mm / 56.0 in2.7 Turbo1423 mm / 56.0 in2.7 Turbo AWD1423 mm / 56.0 inCT4-V1423 mm / 56.0 inCT4-V BLACKWING1422 mm / 56.0 in
1442 mm / 56.8 in
Size | Length
2.0 Turbo4756 mm / 187.2 in2.0 Turbo AWD4756 mm / 187.2 in2.7 Turbo4756 mm / 187.2 in2.7 Turbo AWD4756 mm / 187.2 inCT4-V4756 mm / 187.2 inCT4-V BLACKWING4755 mm / 187.2 in
4783 mm / 188.3 in
Size | Width
2.0 Turbo1815 mm / 71.5 in | 1974 mm / 77.7 in (mirror unfolded)2.0 Turbo AWD1815 mm / 71.5 in | 1974 mm / 77.7 in (mirror unfolded)2.7 Turbo1815 mm / 71.5 in | 1974 mm / 77.7 in (mirror unfolded)2.7 Turbo AWD1815 mm / 71.5 in | 1974 mm / 77.7 in (mirror unfolded)CT4-V1815 mm / 71.5 in | 1974 mm / 77.7 in (mirror unfolded)CT4-V BLACKWING1814 mm / 71.4 in
1852 mm / 72.9 in
Track Width | Front
1532.0 mm / 60.3 in
420d1595.0 mm / 62.8 in420d xDrive1597.0 mm / 62.9 in420i1595.0 mm / 62.8 in430i1595.0 mm / 62.8 inM440i xDrive1587.0 mm / 62.5 in
Track Width | Rear
1568.0 mm / 61.7 in
420d1623.0 mm / 63.9 in420d xDrive1624.0 mm / 63.9 in420i1623.0 mm / 63.9 in430i1623.0 mm / 63.9 inM440i xDrive1614.0 mm / 63.5 in
Weight
2.0 Turbo1570.0 kg / 3461.3 lbs2.0 Turbo AWD1570.0 kg / 3461.3 lbs2.7 Turbo1570.0 kg / 3461.3 lbs2.7 Turbo AWD1570.0 kg / 3461.3 lbsCT4-V1640.0 kg / 3615.6 lbs
420d1705.0 kg / 3758.9 lbs420d xDrive1760.0 kg / 3880.1 lbs420i1620.0 kg / 3571.5 lbs430i1645.0 kg / 3626.6 lbsM440i xDrive1825.0 kg / 4023.4 lbs
Wheel Size
2.0 Turbo8J x 17, 8 J x 182.0 Turbo AWD8J x 17, 8 J x 182.7 Turbo17J x 17, 18J x 182.7 Turbo AWD17J x 17, 18J x 18CT4-V8.0J x 18CT4-V BLACKWINGFront wheel rims: 9J x 18 Rear wheel rims: 9.5J x 18
420d7.5J x 17420d xDrive7.5J x 17420i7.5J x 17430i7.5J x 17M440i xDrive8.5J x 18
Wheelbase
2775 mm2.0 Turbo2775 mm / 109.3 in2.0 Turbo AWD2775 mm / 109.3 in2.7 Turbo2775 mm / 109.3 in2.7 Turbo AWD2775 mm / 109.3 inCT4-V2775 mm / 109.3 inCT4-V BLACKWING2776 mm / 109.3 in
2856 mm / 112.4 in

Performance

Acceleration | 0 - 100 km/h
420d7.3 sec420d xDrive7.6 sec420i7.9 sec430i6.2 secM440i xDrive4.7 sec
Acceleration | 0 - 60 mph
420d6.9 sec420d xDrive7.2 sec420i7.5 sec430i5.9 secM440i xDrive4.5 sec
CO2 Emission
420d126 ~ 141 g/km420d xDrive133 ~ 150 g/km420i150 ~ 166 g/km430i156 ~ 173 g/kmM440i xDrive181 ~ 194 g/km
Coefficient Of Drag
420d0.26420d xDrive0.26420i0.26430i0.26M440i xDrive0.30
Fuel Economy
2.0 Turbo8.7 L/100km / 27.0 MPG (combined) | 10.2 L/100km / 23.1 MPG (urban) | 6.9 L/100km / 34.1 MPG (highway)2.0 Turbo AWD8.7 L/100km / 27.0 MPG (combined) | 10.2 L/100km / 23.1 MPG (urban) | 6.9 L/100km / 34.1 MPG (highway)2.7 Turbo11.8 L/100km / 19.9 MPG (urban) | 7.8 L/100km / 30.2 MPG (highway)2.7 Turbo AWD11.8 L/100km / 19.9 MPG (urban) | 8.4 L/100km / 28.0 MPG (highway)CT4-V11.8 L/100km / 19.9 MPG (urban) | 8.1 L/100km / 29.0 MPG (highway)
420d4.8 L/100km / 49.0 MPG (combined)420d xDrive5.1 L/100km / 46.1 MPG (combined)420i6.6 L/100km / 35.6 MPG (combined)430i6.8 L/100km / 34.6 MPG (combined)M440i xDrive8.0 L/100km / 29.4 MPG (combined)
Top Speed
420d235.0 km/h / 146.0 mph420d xDrive233.0 km/h / 144.8 mph420i235.0 km/h / 146.0 mph430i250.0 km/h / 155.3 mphM440i xDrive250.0 km/h / 155.3 mph
Towing Capacity
420d750 kg / 1653 lbs (w/o brakes) | 1600 kg / 3527 lbs (w/ brakes @ 12% gradient)420d xDrive750 kg / 1653 lbs (w/o brakes) | 1600 kg / 3527 lbs (w/ brakes @ 12% gradient)420i750 kg / 1653 lbs (w/o brakes) | 1600 kg / 3527 lbs (w/ brakes @ 12% gradient)430i750 kg / 1653 lbs (w/o brakes) | 1600 kg / 3527 lbs (w/ brakes @ 12% gradient)M440i xDrive750 kg / 1653 lbs (w/o brakes) | 1800 kg / 3968 lbs (w/ brakes @ 12% gradient)

Powertrain

Drivetrain Layout
2.0 TurboRear-wheel drive2.0 Turbo AWDAll-wheel drive2.7 TurboRear-wheel drive2.7 Turbo AWDAll-wheel driveCT4-VRear-wheel driveCT4-V BLACKWINGFront-engine (longitudinal), Rear-wheel drive
420dFront-engine (longitudinal), Rear-wheel drive420d xDriveFront-engine (longitudinal), All-wheel drive420iFront-engine (longitudinal), Rear-wheel drive430iFront-engine (longitudinal), Rear-wheel driveM440i xDriveFront-engine (longitudinal), All-wheel drive
Emission Standard
Euro 6d
Engine
2.0 TurboLSY2.0 Turbo AWDLSY2.7 TurboL3B2.7 Turbo AWDL3BCT4-VL3BCT4-V BLACKWINGLF4
420dB47D20B420d xDriveB47D20B420iB48B20A430iB48B20AM440i xDriveB58B30B
Engine | Bore
2.0 Turbo83.0 mm / 3.3 in2.0 Turbo AWD83.0 mm / 3.3 in2.7 Turbo92.5 mm / 3.6 in2.7 Turbo AWD92.5 mm / 3.6 inCT4-V92.2 mm / 3.6 inCT4-V BLACKWING94.0 mm / 3.7 in
420d84.0 mm / 3.3 in420d xDrive84.0 mm / 3.3 in420i82.0 mm / 3.2 in430i82.0 mm / 3.2 inM440i xDrive82.0 mm / 3.2 in
Engine | Compression Ratio
2.0 Turbo10:12.0 Turbo AWD10:1
420d16.5:1420d xDrive16.5:1420i11.0:1430i10.2:1M440i xDrive10.2:1
Engine | Displacement
420d2.0 L / 121.7 cu-in / 1995.0 cc420d xDrive2.0 L / 121.7 cu-in / 1995.0 cc420i2.0 L / 121.9 cu-in / 1998.0 cc430i2.0 L / 121.9 cu-in / 1998.0 ccM440i xDrive3.0 L / 182.9 cu-in / 2998.0 cc
Engine | Power
2.0 Turbo240.0 hp / 179.0 kW @ 5000 rpm2.0 Turbo AWD240.0 hp / 179.0 kW @ 5000 rpm2.7 Turbo309.0 hp / 230.4 kW @ 5600 rpm2.7 Turbo AWD309.0 hp / 230.4 kW @ 5600 rpmCT4-V329.0 hp / 245.3 kW @ 5600 rpmCT4-V BLACKWING472.0 hp / 352.0 kW
420d190.0 hp / 141.7 kW @ 4000 rpm + 11.0 hp / 8.2 kW (electric motor)420d xDrive190.0 hp / 141.7 kW @ 4000 rpm + 11.0 hp / 8.2 kW (electric motor)420i184.0 hp / 137.2 kW @ 5000-6500 rpm430i245.0 hp / 182.7 kW @ 4500-6500 rpmM440i xDrive374.0 hp / 278.9 kW @ 5500-6500 rpm + 11.0 hp / 8.2 kW (electric motor)
Engine | Specific Output
420d95.2 hp/L / 1.6 hp/cu-in420d xDrive95.2 hp/L / 1.6 hp/cu-in420i92.1 hp/L / 1.5 hp/cu-in430i122.6 hp/L / 2.0 hp/cu-inM440i xDrive124.7 hp/L / 2.0 hp/cu-in
Engine | Stroke
2.0 Turbo92.3 mm / 3.6 in2.0 Turbo AWD92.3 mm / 3.6 in2.7 Turbo102.0 mm / 4.0 in2.7 Turbo AWD102.0 mm / 4.0 inCT4-V102.0 mm / 4.0 inCT4-V BLACKWING85.6 mm / 3.4 in
420d90.0 mm / 3.5 in420d xDrive90.0 mm / 3.5 in420i94.6 mm / 3.7 in430i94.6 mm / 3.7 inM440i xDrive94.6 mm / 3.7 in
Engine | Torque
2.0 Turbo350 Nm / 258.1 lb-ft @ 1500-4000 rpm2.0 Turbo AWD350 Nm / 258.1 lb-ft @ 1500-4000 rpm2.7 Turbo472 Nm / 348.1 lb-ft @ 1800 rpm2.7 Turbo AWD472 Nm / 348.1 lb-ft @ 1800 rpmCT4-V515 Nm / 379.8 lb-ft @ 1800 rpmCT4-V BLACKWING603 Nm / 444.7 lb-ft
420d400 Nm / 295.0 lb-ft @ 1750-2500 rpm420d xDrive400 Nm / 295.0 lb-ft @ 1750-2500 rpm420i300 Nm / 221.3 lb-ft @ 1350-4000 rpm430i400 Nm / 295.0 lb-ft @ 1600-4000 rpmM440i xDrive500 Nm / 368.8 lb-ft @ 1900-5000 rpm
Engine | Type
2.0 TurboTurbocharged direct-injected petrol inline-4 engine with 4 values per cylinder2.0 Turbo AWDTurbocharged direct-injected petrol inline-4 engine with 4 values per cylinder2.7 TurboTurbocharged direct-injected petrol inline-4 engine with 4 values per cylinder2.7 Turbo AWDTurbocharged direct-injected petrol inline-4 engine with 4 values per cylinderCT4-VTurbocharged direct-injected petrol inline-4 DOHC engine with 4 values per cylinderCT4-V BLACKWINGBi-turbocharged direct-injected petrol V6 DOHC engine with 4 values per cylinder
420dTwin-scroll turbocharged commonrail diesel inline-4 engine with 4 values per cylinder420d xDriveTwin-scroll turbocharged commonrail diesel inline-4 engine with 4 values per cylinder420iTwin-scroll turbocharged direct-injected petrol inline-4 engine with 4 values per cylinder430iTwin-scroll turbocharged direct-injected petrol inline-4 engine with 4 values per cylinderM440i xDriveTwin-scroll turbocharged direct-injected petrol inline-6 engine with 4 values per cylinder
Final Drive
2.85
Transmission | Gears
2.0 Turbo8-speed2.0 Turbo AWD8-speed2.7 Turbo10-speed2.7 Turbo AWD10-speedCT4-V10-speedCT4-V BLACKWING10-speed
8-speed
Transmission | Type
Automatic
Automatic Steptronic

Production

Availability
2.0 Turbo20192.0 Turbo AWD20192.7 Turbo20192.7 Turbo AWD2019CT4-V2019CT4-V BLACKWING2021
2021
Debut
2019-10
2021-06-09
Made In
US: Michigan, China: Shanghai
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