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
—
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 323i (143 Hp) Automatic is 4355 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 4355 mm long, 1610 mm wide, 1380 mm tall, with a 2563 mm wheelbase.
Advanced Specs
Overview
| Generation | BMW 3 Series E21 |
|---|---|
| Year | 1978–1982 |
| Platform | BMW E21 |
| Variant | 323i (143 Hp) Automatic |
| Body type | sedan |
| Engine type | Fuel |
| Fuel type | Petrol |
| Seats | 5 |
| Doors | 2 |
Power & torque
| Power | 143 HP |
|---|---|
| Power @ max rpm | 6000 rpm |
| Torque | 205 Nm |
| Torque @ max rpm | 4000 rpm |
Engine
| Engine code | M20B23 |
|---|---|
| Displacement | 2300 cc |
| Cylinders | 6 |
| Configuration | inline |
| Valves per cylinder | 2 |
| Injection system | Multi Port Manifold Injection |
| Aspiration | Naturally Aspirated Engine |
| Oil capacity | 4.3 L |
| Coolant | 12.0 L |
| Engine layout | Front Longitudinal |
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 | 3 |
| Gearbox code | 3hp22 |
| Gearbox manufacturer | zf |
Dimensions
| Length | 4355 mm |
|---|---|
| Width | 1610 mm |
| Height | 1380 mm |
| Wheelbase | 2563 mm |
| Front track | 1366 mm |
| Rear track | 1373 mm |
| Boot space | 404 L |
| Turning circle | 9.5 m |
Consumption & emissions
| Fuel tank | 58.0 L |
|---|
Chassis & brakes
| Front suspension | Independent Type Mcpherson |
|---|---|
| Rear suspension | Independent Multi Link Suspension |
| Front brakes | disc |
| Rear brakes | drum |
| Power steering | Hydraulic Steering |
Other
| Start Of Production | 1978 |
|---|---|
| End Of Production | 1982 |
Performance
Engine speed (1k/rpm)
! Figures from catalog data; real-world values may differ.
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