BMW 4 Series Gran Coupe (G26) 420i (170 Hp) Steptronic | Technical specs, data, fuel consumption, Dimensions

2021 BMW 4 Series Gran Coupe (G26) - Photo 1

Key specs

BMW 4 Series Gran Coupe (G26) 420i (170 Hp) Steptronic /Coupe 2021 - 2024/

What is the body type of BMW 4 Series Gran Coupe (G26)?

Coupe, 5 Doors, 5 Seats

What is the fuel consumption and economy of BMW 4 Series Gran Coupe (G26) 420i (170 Hp) Steptronic?

7.3-8.1 l/100 km
32.2 - 29 US mpg
38.7 - 34.9 UK mpg
13.7 - 12.3 km/l

How environmentally friendly is BMW 4 Series 420i (170 Hp) Steptronic?

165-183 g/km CO₂

How fast is 2021 4 Series Gran Coupe (G26) 420i (170 Hp) Steptronic?

227 km/h | 141 mph
0-100 km/h: 8.6 sec
0-60 mph: 8.2 sec

What is the power output of BMW 4 Series Coupe 2021 420i (170 Hp) Steptronic?

170 Hp, 250 Nm
184 lb.-ft.

What is the engine displacement of BMW 4 Series Coupe 2021 420i (170 Hp) Steptronic?

1.6 l
1597 cm³
97.45 cu. in.

What is the number of cylinders in 2021 BMW 420i (170 Hp) Steptronic?

4, Inline

What is the drivetrain of BMW 4 Series Gran Coupe (G26) Coupe 2021 420i (170 Hp) Steptronic?

Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

What is the length of 2021 BMW 4 Series Coupe?

4783 mm
188.31 in.

What is the width of 2021 BMW 4 Series Coupe?

1852 mm
72.91 in.

What is the kerb weight of 2021 BMW 4 Series Gran Coupe (G26) 420i (170 Hp) Steptronic?

1620 kg
3571 lbs.

What is the maximum permissible mass of 2021 BMW 4 Series Gran Coupe (G26) 420i (170 Hp) Steptronic?

2175 kg
4795 lbs.

What is the trunk (boot) capacity of 2021 BMW 4 Series Coupe?

470 - 1290 l
16.6 - 45.6 cu. ft.

What is the number of gears in 2021 BMW 4 Series Gran Coupe (G26) 420i (170 Hp) Steptronic?

8, automatic transmission Steptronic

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General information

Brand

BMW

Model

4 Series

Generation

4 Series Gran Coupe (G26)

Modification (Engine)

420i (170 Hp) Steptronic

Start of production

2021 year

End of production

June, 2024 year

Powertrain Architecture

Internal Combustion engine

Body type

Coupe

Seats

Doors

Looking for BMW 4 Series on the used-car market?

Check its history →

Performance specs

Fuel consumption (economy) - urban (NEDC, WLTP equivalent)

7.2-8 l/100 km 32.7 - 29.4 US mpg
39.2 - 35.3 UK mpg
13.9 - 12.5 km/l

Fuel consumption (economy) - extra urban (NEDC, WLTP equivalent)

6.1-7 l/100 km 38.6 - 33.6 US mpg
46.3 - 40.4 UK mpg
16.4 - 14.3 km/l

Fuel consumption (economy) - combined (NEDC, WLTP equivalent)

7.3-8.1 l/100 km 32.2 - 29 US mpg
38.7 - 34.9 UK mpg
13.7 - 12.3 km/l

CO₂ emissions (NEDC, WLTP equivalent)

165-183 g/km

Fuel Type

Petrol (Gasoline)

Acceleration 0 - 100 km/h

8.6 sec

Acceleration 0 - 62 mph

8.6 sec

Acceleration 0 - 60 mph (Calculated by Auto-Data.net)

8.2 sec

Maximum speed

227 km/h 141 mph

Weight-to-power ratio

9.5 kg/Hp, 104.9 Hp/tonne

Weight-to-torque ratio

6.5 kg/Nm, 154.3 Nm/tonne

Engine specs

Power

170 Hp @ 5000-5500 rpm.

Power per litre

106.4 Hp/l

Torque

250 Nm @ 2000-4400 rpm. 184 lb.-ft. @ 2000-4400 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

B48B16A

Engine displacement

1597 cm³ 97.45 cu. in.

Number of cylinders

Engine configuration

Inline

Cylinder Bore

82 mm 3.23 in.

Piston Stroke

75.6 mm 2.98 in.

Compression ratio

9:1

Number of valves per cylinder

Fuel injection system

Direct injection

Engine aspiration

TwinPower Turbo, Intercooler

Valvetrain

VALVETRONIC, Double-VANOS

Engine oil capacity

5.25 l 5.55 US qt | 4.62 UK qt

Engine oil specification

Engine systems

Start & Stop System
Particulate filter

Volume and weights

Kerb Weight

1620 kg 3571 lbs.

Max. weight

2175 kg 4795 lbs.

Max load

555 kg 1224 lbs.

Trunk (boot) space - minimum

470 l 16.6 cu. ft.

Trunk (boot) space - maximum

1290 l 45.6 cu. ft.

Fuel tank capacity

59 l 15.59 US gal | 12.98 UK gal

Max. roof load

75 kg 165 lbs.

Permitted trailer load with brakes (8%)

1600 kg 3527 lbs.

Permitted trailer load with brakes (12%)

1600 kg 3527 lbs.

Permitted trailer load without brakes

750 kg 1653 lbs.

Permitted towbar download

75 kg 165 lbs.

Dimensions

Length

4783 mm 188.31 in.

Width

1852 mm 72.91 in.

Width including mirrors

2073 mm 81.61 in.

Height

1442 mm 56.77 in.

Wheelbase

2856 mm 112.44 in.

Front track

1595 mm 62.8 in.

Rear (Back) track

1623 mm 63.9 in.

Front overhang

862 mm 33.94 in.

Rear overhang

1065 mm 41.93 in.

Minimum turning circle (turning diameter)

12 m 39.37 ft.

Drivetrain, brakes and suspension specs

Drivetrain Architecture

The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

Drive wheel

Rear wheel drive

Number of gears and type of gearbox

8 gears, automatic transmission Steptronic

Front suspension

Suspension strut, Anti-roll bar

Rear suspension

Independent multi-link spring suspension with anti-roll bar

Front brakes

Ventilated discs

Rear brakes

Ventilated discs

Assisting systems

ABS (Anti-lock braking system)

Steering type

Steering rack and pinion

Power steering

Electric Steering

Tires size

Front wheel tires: 225/55 R17; 245/45 R18; 245/40 R19; 245/35 R20
Rear wheel tires: 225/55 R17; 245/45 R18; 255/40 R19; 255/35 R20

Wheel rims size

Front wheel rims: 7.5J x 17; 8.5J x 18; 8.5J x 19; 8.5J x 20
Rear wheel rims: 7.5J x 17; 8.5J x 18; 9J x 19; 9J x 20

Specs of BMW 4 Series Gran Coupe (G26) 420i (170 Hp) Steptronic /2021, 2022, 2023, 2024/