BMW 3 Series Sedan (G20) 318i (156 Hp) Steptronic


Overall Rating

8.5 / 10
Safety 5.0 / 5
Engine 4.2 / 5
Value 3.9 / 5
Performance 4.5 / 5
Comfort 4.0 / 5
People\'s Opinion N/A / 5
Not Rated

BMW 3 Series:

The BMW 3 series is a line of compact executive cars manufactured by the German automaker BMW since May 1975. It is the successor to the 02 series and has been produced in seven generations.
The first generation of the 3 Series was only available as a 2-door saloon; the model range expanded to include a 4-door saloon, 2-door convertible, 2-door coupé, 5-door estate, 5-door liftback and 3-door hatchback body styles. Since 2013, the coupé and convertible models have been marketed as the 4 Series; these styles no longer being included in the 3 Series....(Read more on Wikipedia)

Sedan (G20) Overview:

BMW 3 Series (Sedan (G20)). With 250 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~6.85 l/100km). With a weight of 1490 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is good (0–100 km/h in 8.4 s). The top speed reaches 223 km/h. A four-door car with a separate trunk, ideal for families and daily commuting. Seating for 5 makes it ideal for daily use.

318i (156 Hp) Steptronic Verdict:

Rating 4 stars

Performance Verdict

Adequate performance for city driving and light highway use, but not designed for spirited acceleration.

Fuel Economy

Good fuel economy for a petrol engine, making it a cost-effective entry point.

Best Use Case: City Commuting / Daily Driving

Pros and Cons:

Pros:

  • • Exceptional driving dynamics across the range
  • • Wide array of efficient and powerful engines, including hybrids
  • • High-quality, technologically advanced interior
  • • Strong safety ratings and advanced driver-assistance systems
  • • Refined ride quality, especially on standard suspension

Cons:

  • • Can be expensive, especially with desirable optional extras
  • • M-Sport suspension can be overly firm for some
  • • Rear legroom is adequate but not class-leading
  • • Some diesel engines can be noisy at idle
  • • iDrive system, while powerful, can have a learning curve

Specifications:

Specifications are compared to those of the previous generation(Touring (G21): February, 2020 - 2022).

General:
Brand:BMW
Model:3 Series
Generation:Sedan (G20)
Modification (Engine):318i (156 Hp) Steptronic
Start of production:January, 2020
End of production:2022
Powertrain Architecture:Internal Combustion engine
Body type:Sedan
Seats:5
Doors:4
Engine:
Engine systems:Start & Stop System
Power:156 Hp @ 4500-6500 rpm. Same horsepower
Power per litre:78.1 Hp/l [4mm less]
Torque:250 Nm @ 1300-4300 rpm.
Engine Model/Code:B48B20A More details about the engine B48B20A
Engine displacement:1998
Number of cylinders:4
Engine configuration:Inline
Number of valves per cylinder:4
Fuel injection system:Direct injection
Engine aspiration:Twin-power turbo, Intercooler
Engine oil capacity:5.25 l
Coolant:9.8 l
Engine layout:Front, Longitudinal
Cylinder Bore:82 mm
Piston Stroke:94.6 mm
Compression ratio:11:1
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:6.7-7.0 l/100 km
Fuel consumption (economy) - extra urban:4.4-4.9 l/100 km
Combined fuel consumption (WLTP):6.3-7.1 l/100 km
Fuel consumption (economy) - combined (NEDC):5.3-5.7 l/100 km
Fuel consumption (economy) - urban (NEDC):6.7-7.0 l/100 km
Fuel consumption (economy) - extra urban (NEDC):4.4-4.9 l/100 km
Fuel consumption (economy) - combined:5.3-5.7 l/100 km
Emission standard:Euro 6d
Acceleration 0 - 100 km/h:8.4 sec
Acceleration 0 - 62 mph:8.4 sec
Maximum speed:223 km/h
Weight-to-power ratio:9.6 kg/Hp, 104.7 Hp/tonne
Weight-to-torque ratio:6 kg/Nm, 167.8 Nm/tonne
Acceleration 0 - 60 mph:8 sec
Space:
Kerb Weight:1490
Max. weight:2050
Max. roof load:75 kg
Max load:560
Trunk (boot) space - minimum:480 l
Permitted trailer load with brakes (12%):1300 kg
Fuel tank capacity:59 l
Permitted trailer load without brakes:750 kg
Permitted towbar download:75 kg
Size:
Length:4709 mm [4mm less]
Width:1827 mm [Same width.]
Height:1435 mm [5mm less]
Wheelbase:2851 mm [Same wheelbase.]
Front track:1589 mm
Rear (Back) track:1604 mm
Ride height (ground clearance):136 mm
Minimum turning circle (turning diameter):11.4 m [above average]
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears8
Transmission typeAutomatic
Gearbox typeSteptronic
Front brakesVentilated discs [Best for performance and cooling.]
Rear brakesVentilated discs [Best for performance and cooling.]
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringElectric Steering
Tires size205/60 R16 96W XL
Wheel rims size6.5J x 16
Front suspensionIndependent coil spring
Rear suspensionIndependent multi-link suspension

Fuel, speed, and comfort: How does the BMW 3 Series rank in your book?