BMW
BMW 3 Series G20 (2018–2022) Specs
Specifications, engines, dimensions and technical data.
Gen 7
2018 - 2025
G20
Sedan
W
L
H
WB
GC
Boot
Engine
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Power
—
Fuel
—
Gears
—
Platform
—
Body Style
Chassis
Engines
Quick Specs
Fuel
Fuel
Combined
Combined
Chassis & Body
Engine Lineup
| Trans | Engine | Gears | HP | Fuel | CO₂ |
|---|---|---|---|---|---|
| MT | 318d Steptronic | 8 | 150 HP | Diesel | — |
| AT | 320d Mild Hybrid xDrive Steptronic | 8 | 190 HP | Diesel | — |
| MT | 320d Steptronic | 6 | 190 HP | Diesel | — |
| AT | 320i Steptronic | 8 | 170 HP | Petrol | — |
| AT | 320i Steptronic | 8 | 184 HP | Petrol | — |
| AT | 325Li xDrive Steptronic | 8 | 184 HP | Petrol | — |
| AT | 330d xDrive Steptronic | 8 | 265 HP | Diesel | — |
| MT | 330i xDrive Steptronic | 8 | 252 HP | Petrol | — |
| AT | 330i xDrive Steptronic (US) | 8 | 255 HP | Petrol | — |
| AT | 330i xDrive Steptronic | 8 | 258 HP | Petrol | — |
| AT | M340d Mild Hybrid xDrive Steptronic | 8 | 340 HP | Diesel | — |
| AT | M340i xDrive Steptronic | 8 | 374 HP | Petrol | — |
| AT | M340i xDrive Steptronic (US) | 8 | 382 HP | Petrol | — |
Note: Performance figures may vary based on market and conditions.
BMW 3 Series G20 overview
The BMW 3 Series (G20) is the 7th generation of the 3 Series, built from 2018 to 2022. It is offered as a Sedan with 12 engines (diesel, petrol), from 122 HP to 382 HP. The 330i (258 Hp) Steptronic accelerates from 0 to 100 km/h in 5.8 s, reaches a top speed of 250 km/h and is 4709 mm long.
How much horsepower does the BMW 3 Series have?
The BMW 3 Series (G20) has 122 HP to 382 HP, depending on the engine: 2.0 Twinpower (122 HP), 2.0 B48 (156 HP), 2.0 Directinjection (170 HP), 2.0 B48 (184 HP), 2.0 Twinpower (190 HP), 2.0 B47 (190 HP), 2.0 B48 (255 HP), 2.0 Twinpower (258 HP), 3.0 Twinpower (265 HP), 3.0 B57 (286 HP), 3.0 Twinpower (374 HP), 3.0 B58 (382 HP).
What engines are available for the BMW 3 Series?
The BMW 3 Series is available with 12 engines: 2.0 Twinpower (122 HP, diesel), 2.0 B48 (156 HP, petrol), 2.0 Directinjection (170 HP, petrol), 2.0 B48 (184 HP, petrol), 2.0 Twinpower (190 HP, diesel), 2.0 B47 (190 HP, diesel), 2.0 B48 (255 HP, petrol), 2.0 Twinpower (258 HP, petrol), 3.0 Twinpower (265 HP, diesel), 3.0 B57 (286 HP, diesel), 3.0 Twinpower (374 HP, petrol), 3.0 B58 (382 HP, petrol).
What are the dimensions of the BMW 3 Series?
The BMW 3 Series is 4709 mm long, 1827 mm wide, 1442 mm tall, with a 2851 mm wheelbase.
How fast is the BMW 3 Series?
The BMW 3 Series 330i (258 Hp) Steptronic goes from 0 to 100 km/h in 5.8 s and has a top speed of 250 km/h.
Advanced Specs
Overview
| Generation | BMW 3 Series Sedan G20 |
|---|---|
| Year | 2018–2022 |
| Platform | BMW CLAR |
| Variant | 330i (258 Hp) Steptronic |
| Body type | sedan |
| Engine type | Fuel |
| Fuel type | Petrol |
| Seats | 5 |
| Doors | 4 |
| Emission standard | Euro 6 d-TEMP |
Power & torque
| Power | 258 HP |
|---|---|
| Power @ min rpm | 5000 rpm |
| Power @ max rpm | 6500 rpm |
| Torque | 400 Nm |
| Torque @ min rpm | 1550 rpm |
| Torque @ max rpm | 4400 rpm |
Performance
| Top speed | 250 km/h |
|---|---|
| 0–100 km/h | 5.8 s |
| 0–62 mph | 5.8 s |
Engine
| Engine code | B48B20B |
|---|---|
| Displacement | 1998 cc |
| Cylinders | 4 |
| Configuration | inline |
| Bore | 82.0 mm |
| Stroke | 94.6 mm |
| Compression ratio | 10.2 |
| Valves per cylinder | 4 |
| Injection system | Direct Injection |
| Aspiration | Twin Power Turbo Intercooler |
| Oil capacity | 5.3 L |
| Coolant | 9.8 L |
| Engine layout | Front Longitudinal |
| Engine systems | Particulate Filter |
Drivetrain & transmission
| Drive | Rear Wheel Drive |
|---|---|
| Powertrain architecture | Internal Combustion Engine |
| Drivetrain architecture | The Internal Combustion Engine Ice Drives The Rear Wheels Of The Vehicle |
| Gearbox type | Torque Converter |
| Gears | 8 |
| Gearbox code | 8hp51 |
| Gearbox manufacturer | zf |
Dimensions
| Length | 4709 mm |
|---|---|
| Width | 1827 mm |
| Height | 1442 mm |
| Wheelbase | 2851 mm |
| Front track | 1589 mm |
| Rear track | 1604 mm |
| Boot space | 480 L |
| Ground clearance | 136 mm |
| Turning circle | 11.4 m |
Mass
| Kerb weight | 1470 kg |
|---|---|
| Max weight | 2060 kg |
| Max load | 590 kg |
Consumption & emissions
| Fuel combined | 5.8 L/100km |
|---|---|
| Fuel urban | 7.2 L/100km |
| Fuel extra urban | 5.0 L/100km |
| CO₂ emissions | 132 g/km |
| Fuel tank | 59.0 L |
Chassis & brakes
| Front suspension | Independent Coil Spring |
|---|---|
| Rear suspension | Independent Multi Link Suspension |
| Front brakes | Ventilated Discs |
| Rear brakes | Ventilated Discs |
| Steering type | Steering Rack And Pinion |
| Power steering | Electric Steering |
| Tire size | 225/50 R17 98Y XL |
| Wheel rims | 7.5J x 17 |
| Assisting systems | Abs Anti Lock Braking System |
Efficiency ratios
| Weight-to-power | 5.7 kg/Hp, 175.5 Hp/tonne |
|---|---|
| Weight-to-torque | 3.7 kg/Nm, 272.1 Nm/tonne |
| Max roof load | 75 kg |
Other
| Start Of Production | 2018 |
|---|---|
| End Of Production | 2022 |
| Width Including Mirrors | 2068 |
| Front Overhang | 799 |
| Rear Overhang | 1059 |
Performance
Engine speed (1k/rpm)
! Figures from catalog data; real-world values may differ.
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