Site Title

Compare Kia K9 II vs BMW 4 Series Gran Coupe G26

Reviews

Neoscore
76%
71%
Pros
  • Superb styling with elegance and sportiness
  • Naturally-aspirated V8 still available
  • Multi-link suspensions all-around
  • Decent performance
  • Good 0.26 drag coefficient
  • Good tech integration
  • Smooth engines
Cons
  • Kia is getting addicted to AWD
  • AWD nonsense
  • Hunchback

Variants

3.3 T-GDI
3.3 T-GDI AWD
3.8 GDI
3.8 GDI AWD
5.0 GDI AWD
420d
420d xDrive
420i
430i
M440i xDrive

Capacity

Cargo Capacity
470 L / 16.6 cu-ft ~ 1290 L / 45.6 cu-ft
Coolant Capacity
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
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
59.0 L / 15.6 gal
Passengers
5
5
Payload
555 kg / 1224 lbs

Chassis

Brakes | Front
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
Chassis Type
Unibody
Power Steering
Electric Steering
Steering Ratio
420d14.8420i14.8430i14.8M440i xDrive13.6
Suspension | Front
Multi-link
MacPherson strut
Suspension | Rear
Multi-link
Multi-link
Tire Size
3.3 T-GDI245/50 R18, 245/45 R19 98W, 275/40 R19 101W3.3 T-GDI AWD245/50 R18, 245/45 R19 98W, 275/40 R19 101W3.8 GDI245/50 R18, 245/45 R19 98W, 275/40 R19 101W3.8 GDI AWD245/50 R18, 245/45 R19 98W, 275/40 R19 101W5.0 GDI AWD275/40 R19 101W
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
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
1490 mm / 58.7 in
1442 mm / 56.8 in
Size | Length
5120 mm / 201.6 in
4783 mm / 188.3 in
Size | Width
1915 mm / 75.4 in
1852 mm / 72.9 in
Track Width | Front
3.3 T-GDI1629.0 mm / 64.1 in3.3 T-GDI AWD1629.0 mm / 64.1 in3.8 GDI1629.0 mm / 64.1 in3.8 GDI AWD1629.0 mm / 64.1 in5.0 GDI AWD1639.0 mm / 64.5 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
1639.0 mm / 64.5 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
3.3 T-GDI2015.0 kg / 4442.3 lbs3.3 T-GDI AWD2085.0 kg / 4596.6 lbs3.8 GDI1915.0 kg / 4221.9 lbs3.8 GDI AWD1985.0 kg / 4376.2 lbs5.0 GDI AWD2165.0 kg / 4773.0 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
3.3 T-GDI18 in, 19 in3.3 T-GDI AWD18 in, 19 in3.8 GDI18 in, 19 in3.8 GDI AWD18 in, 19 in5.0 GDI AWD19 in
420d7.5J x 17420d xDrive7.5J x 17420i7.5J x 17430i7.5J x 17M440i xDrive8.5J x 18
Wheelbase
3105 mm / 122.2 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
3.3 T-GDI199 g/km3.3 T-GDI AWD213 g/km3.8 GDI192 ~ 196 g/km3.8 GDI AWD204 ~ 207 g/km5.0 GDI AWD231 g/km
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
21 mpg3.3 T-GDI11.5 L/100km / 20.5 MPG (combined) | 13.5 L/100km / 17.4 MPG (urban) | 9.2 L/100km / 25.6 MPG (highway)3.3 T-GDI AWD12.3 L/100km / 19.1 MPG (combined) | 14.2 L/100km / 16.6 MPG (urban) | 9.9 L/100km / 23.8 MPG (highway)3.8 GDI11.1 L/100km / 21.2 MPG (combined) | 12.8 L/100km / 18.4 MPG (urban) | 9.1 L/100km / 25.8 MPG (highway)3.8 GDI AWD11.9 L/100km / 19.8 MPG (combined) | 13.7 L/100km / 17.2 MPG (urban) | 9.7 L/100km / 24.2 MPG (highway)5.0 GDI AWD13.3 L/100km / 17.7 MPG (combined) | 15.6 L/100km / 15.1 MPG (urban) | 10.5 L/100km / 22.4 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
3.3 T-GDIRear-wheel drive3.3 T-GDI AWDAll-wheel drive3.8 GDIRear-wheel drive3.8 GDI AWDAll-wheel drive5.0 GDI AWDAll-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
3.3 T-GDIG6DH3.3 T-GDI AWDG6DH3.8 GDIG6DJ3.8 GDI AWDG6DJ5.0 GDI AWDG8BE
420dB47D20B420d xDriveB47D20B420iB48B20A430iB48B20AM440i xDriveB58B30B
Engine | Bore
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
420d16.5:1420d xDrive16.5:1420i11.0:1430i10.2:1M440i xDrive10.2:1
Engine | Displacement
3.3 T-GDI3.3 L / 203.9 cu-in / 3342.0 cc3.3 T-GDI AWD3.3 L / 203.9 cu-in / 3342.0 cc3.8 GDI3.8 L / 230.5 cu-in / 3778.0 cc3.8 GDI AWD3.8 L / 230.5 cu-in / 3778.0 cc5.0 GDI AWD5.0 L / 307.4 cu-in / 5038.0 cc
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
3.3 T-GDI370.0 hp / 275.9 kW @ 6000 rpm3.3 T-GDI AWD370.0 hp / 275.9 kW @ 6000 rpm3.8 GDI315.0 hp / 234.9 kW @ 6000 rpm3.8 GDI AWD315.0 hp / 234.9 kW @ 6000 rpm5.0 GDI AWD425.0 hp / 316.9 kW @ 6000 rpm
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
3.3 T-GDI110.7 hp/L / 1.8 hp/cu-in3.3 T-GDI AWD110.7 hp/L / 1.8 hp/cu-in3.8 GDI83.4 hp/L / 1.4 hp/cu-in3.8 GDI AWD83.4 hp/L / 1.4 hp/cu-in5.0 GDI AWD84.4 hp/L / 1.4 hp/cu-in
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
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
3.3 T-GDI510 Nm / 376.2 lb-ft @ 1300-4500 rpm3.3 T-GDI AWD510 Nm / 376.2 lb-ft @ 1300-4500 rpm3.8 GDI397 Nm / 292.8 lb-ft @ 5000 rpm3.8 GDI AWD397 Nm / 292.8 lb-ft @ 5000 rpm5.0 GDI AWD520 Nm / 383.5 lb-ft @ 5000 rpm
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
3.3 T-GDITurbocharged direct-injected petrol V6 engine3.3 T-GDI AWDTurbocharged direct-injected petrol V6 engine3.8 GDINaturally-aspirated direct-injected petrol V6 engine3.8 GDI AWDNaturally-aspirated direct-injected petrol V6 engine5.0 GDI AWDNaturally-aspirated direct-injected petrol V8 engine
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
Transmission | Gears
8-speed
8-speed
Transmission | Type
Automatic
Automatic Steptronic

Production

Availability
3.3 T-GDI20183.3 T-GDI AWD20183.8 GDI20183.8 GDI AWD20185.0 GDI AWD2018 ~ 2021
2021
Debut
2018 New York Auto Show
2021-06-09
Made In
South Korea
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