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BMW 4 Series Convertible
2018 – 2020
Convertible Germany
The BMW 4 Series Convertible had a short production run, from 2018 to 2020. Ten variants with petrol and diesel engines cover 184 to 326 hp. Fuel use starts at only 4.4 L/100 km. The fastest version needs 5.4 s to reach 100 km/h. Compared with the previous generation (2014 – 2018), peak power rose from 313 to 326 hp, and minimum weight went up by 50 kg. It was also available as coupé and sedan.
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Body styleConvertible
Production2018 – 2020
Variants10
FuelPetrol, Diesel
Other body styles
Key specifications (range)
Power184 – 326 hp
0–100 km/h5.4 – 8.4 s
Top speed229 – 249 km/h
Fuel economy4.4 – 7.3 L/100 km
Rear Wheel Drive · All Wheel Drive
Similar cars
| Variant | Fuel | Power | 0–100 | Top | Gearbox |
|---|---|---|---|---|---|
| 420i 6MT RWD (184 HP) 2.0 L · 4 cyl · Rear Wheel Drive |
Gasoline | 184 hp | 8.2 s | 230 | 6-speed manual |
| 420i 8AT RWD (184 HP) 2.0 L · 4 cyl · Rear Wheel Drive |
Gasoline | 184 hp | 8.4 s | 230 | 8-speed automatic Steptronic |
| 420d 6MT RWD (190 HP) 2.0 L · 4 cyl · Rear Wheel Drive |
Diesel | 190 hp | 8.1 s | 235 | 6-speed manual |
| 420d 8AT RWD (190 HP) 2.0 L · 4 cyl · Rear Wheel Drive |
Diesel | 190 hp | 8.0 s | 229 | 8-speed automatic Steptronic |
| 430d 8AT RWD (252 HP) 3.0 L · 6 cyl · Rear Wheel Drive |
Diesel | 252 hp | 5.9 s | 249 | 8-speed automatic Steptronic |
| 430i 6MT RWD (252 HP) 2.0 L · 4 cyl · Rear Wheel Drive |
Gasoline | 252 hp | 6.4 s | 249 | 6-speed manual |
| 430i 8AT RWD (252 HP) 2.0 L · 4 cyl · Rear Wheel Drive |
Gasoline | 252 hp | 6.3 s | 249 | 8-speed automatic Steptronic |
| 435d xDrive 8AT AWD (313 HP) 3.0 L · 6 cyl · All Wheel Drive |
Diesel | 313 hp | 5.7 s | 249 | 8-speed automatic Steptronic |
| 440i 8AT RWD (326 HP) 3.0 L · 6 cyl · Rear Wheel Drive |
Gasoline | 326 hp | 5.4 s | 249 | 8-speed automatic Steptronic |
| 440i xDrive 8AT AWD (326 HP) 3.0 L · 6 cyl · All Wheel Drive |
Gasoline | 326 hp | 5.4 s | 249 | 8-speed automatic Steptronic |
Engine
- Cylinders
- L4
- Displacement
- 1998 cm3 (122 ci)
- Power
- 135.3 KW @ 5000 RPM184 HP @ 5000 RPM181 BHP @ 5000 RPM
- Torque
- 199 lb-ft @ 1350-4600 RPM270 Nm @ 1350-4600 RPM
- Fuel System
- Direct injection
- Fuel
- Gasoline
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 143 mph (230 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 8.2 s
Transmission
- Drive Type
- Rear Wheel Drive
- Gearbox
- 6-speed manual
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 3748 lbs (1700 kg)
- Gross Weight Limit
- 4784 lbs (2170 kg)
Fuel Economy (nedc)
- City
- 29.4 mpg US (8 L/100Km)
- Highway
- 46.1 mpg US (5.1 L/100Km)
- Combined
- 37.9 mpg US (6.2 L/100Km)
- CO2 Emissions
- 145 g/km
Engine
- Cylinders
- L4
- Displacement
- 1998 cm3 (122 ci)
- Power
- 135.3 KW @ 5000 RPM184 HP @ 5000 RPM181 BHP @ 5000 RPM
- Torque
- 199 lb-ft @ 1350-4600 RPM270 Nm @ 1350-4600 RPM
- Fuel System
- Direct injection
- Fuel
- Gasoline
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 143 mph (230 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 8.4 s
Transmission
- Drive Type
- Rear Wheel Drive
- Gearbox
- 8-speed automatic Steptronic
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 3781 lbs (1715 kg)
- Gross Weight Limit
- 4817 lbs (2185 kg)
Fuel Economy (nedc)
- City
- 30.9 mpg US (7.6 L/100Km)
- Highway
- 49 mpg US (4.8 L/100Km)
- Combined
- 40.6 mpg US (5.8 L/100Km)
- CO2 Emissions
- 136 g/km
Engine
- Cylinders
- L4
- Displacement
- 1995 cm3 (122 ci)
- Power
- 139.7 KW @ 4000 RPM190 HP @ 4000 RPM187 BHP @ 4000 RPM
- Torque
- 295 lb-ft @ 1750-2500 RPM400 Nm @ 1750-2500 RPM
- Fuel System
- Common Rail
- Fuel
- Diesel
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 146 mph (235 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 8.1 s
Transmission
- Drive Type
- Rear Wheel Drive
- Gearbox
- 6-speed manual
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 3748 lbs (1700 kg)
- Gross Weight Limit
- 4784 lbs (2170 kg)
Fuel Economy (nedc)
- City
- 41.3 mpg US (5.7 L/100Km)
- Highway
- 54.7 mpg US (4.3 L/100Km)
- Combined
- 49 mpg US (4.8 L/100Km)
- CO2 Emissions
- 127 g/km
Engine
- Cylinders
- L4
- Displacement
- 1995 cm3 (122 ci)
- Power
- 139.7 KW @ 4000 RPM190 HP @ 4000 RPM187 BHP @ 4000 RPM
- Torque
- 295 lb-ft @ 1750-2500 RPM400 Nm @ 1750-2500 RPM
- Fuel System
- Common Rail
- Fuel
- Diesel
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 142 mph (229 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 8 s
Transmission
- Drive Type
- Rear Wheel Drive
- Gearbox
- 8-speed automatic Steptronic
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 3781 lbs (1715 kg)
- Gross Weight Limit
- 4817 lbs (2185 kg)
Fuel Economy (nedc)
- City
- 45.2 mpg US (5.2 L/100Km)
- Highway
- 60.3 mpg US (3.9 L/100Km)
- Combined
- 53.5 mpg US (4.4 L/100Km)
- CO2 Emissions
- 116 g/km
Engine
- Cylinders
- L6
- Displacement
- 2993 cm3 (183 ci)
- Power
- 185.3 KW @ 5200 RPM252 HP @ 5200 RPM248 BHP @ 5200 RPM
- Torque
- 413 lb-ft @ 1500-3000 RPM560 Nm @ 1500-3000 RPM
- Fuel System
- Common Rail
- Fuel
- Diesel
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 155 mph (249 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 5.9 s
Transmission
- Drive Type
- Rear Wheel Drive
- Gearbox
- 8-speed automatic Steptronic
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 3902 lbs (1770 kg)
- Gross Weight Limit
- 4894 lbs (2220 kg)
Fuel Economy (nedc)
- City
- 38.6 mpg US (6.1 L/100Km)
- Highway
- 49 mpg US (4.8 L/100Km)
- Combined
- 44.4 mpg US (5.3 L/100Km)
- CO2 Emissions
- 139 g/km
Engine
- Cylinders
- L4
- Displacement
- 1998 cm3 (122 ci)
- Power
- 185.3 KW @ 5200 RPM252 HP @ 5200 RPM248 BHP @ 5200 RPM
- Torque
- 258 lb-ft @ 1450-4800 RPM350 Nm @ 1450-4800 RPM
- Fuel System
- Direct injection
- Fuel
- Gasoline
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 155 mph (249 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 6.4 s
Transmission
- Drive Type
- Rear Wheel Drive
- Gearbox
- 6-speed manual
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 3770 lbs (1710 kg)
- Gross Weight Limit
- 4784 lbs (2170 kg)
Fuel Economy (nedc)
- City
- 27.4 mpg US (8.6 L/100Km)
- Highway
- 42.8 mpg US (5.5 L/100Km)
- Combined
- 35.6 mpg US (6.6 L/100Km)
- CO2 Emissions
- 154 g/km
Engine
- Cylinders
- L4
- Displacement
- 1998 cm3 (122 ci)
- Power
- 185.3 KW @ 5200 RPM252 HP @ 5200 RPM248 BHP @ 5200 RPM
- Torque
- 258 lb-ft @ 1450-4800 RPM350 Nm @ 1450-4800 RPM
- Fuel System
- Direct injection
- Fuel
- Gasoline
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 155 mph (249 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 6.3 s
Transmission
- Drive Type
- Rear Wheel Drive
- Gearbox
- 8-speed automatic Steptronic
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 3825 lbs (1735 kg)
- Gross Weight Limit
- 4839 lbs (2195 kg)
Fuel Economy (nedc)
- City
- 31.4 mpg US (7.5 L/100Km)
- Highway
- 47 mpg US (5 L/100Km)
- Combined
- 39.9 mpg US (5.9 L/100Km)
- CO2 Emissions
- 138 g/km
Engine
- Cylinders
- L6
- Displacement
- 2993 cm3 (183 ci)
- Power
- 230.2 KW @ 4400 RPM313 HP @ 4400 RPM309 BHP @ 4400 RPM
- Torque
- 465 lb-ft @ 1500-2500 RPM630 Nm @ 1500-2500 RPM
- Fuel System
- Common Rail
- Fuel
- Diesel
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 155 mph (249 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 5.7 s
Transmission
- Drive Type
- All Wheel Drive
- Gearbox
- 8-speed automatic Steptronic
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 4079 lbs (1850 kg)
- Gross Weight Limit
- 5049 lbs (2290 kg)
Fuel Economy (nedc)
- City
- 34.6 mpg US (6.8 L/100Km)
- Highway
- 45.2 mpg US (5.2 L/100Km)
- Combined
- 41.3 mpg US (5.7 L/100Km)
- CO2 Emissions
- 151 g/km
Engine
- Cylinders
- L6
- Displacement
- 2998 cm3 (183 ci)
- Power
- 239.8 KW @ 5500 RPM326 HP @ 5500 RPM322 BHP @ 5500 RPM
- Torque
- 332 lb-ft @ 1380-5000 RPM450 Nm @ 1380-5000 RPM
- Fuel System
- Direct injection
- Fuel
- Gasoline
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 155 mph (249 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 5.4 s
Transmission
- Drive Type
- Rear Wheel Drive
- Gearbox
- 8-speed automatic Steptronic
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 3902 lbs (1770 kg)
- Gross Weight Limit
- 4916 lbs (2230 kg)
Fuel Economy (nedc)
- City
- 25.8 mpg US (9.1 L/100Km)
- Highway
- 42.8 mpg US (5.5 L/100Km)
- Combined
- 34.6 mpg US (6.8 L/100Km)
- CO2 Emissions
- 159 g/km
Engine
- Cylinders
- L6
- Displacement
- 2998 cm3 (183 ci)
- Power
- 239.8 KW @ 5500 RPM326 HP @ 5500 RPM322 BHP @ 5500 RPM
- Torque
- 332 lb-ft @ 1380-5000 RPM450 Nm @ 1380-5000 RPM
- Fuel System
- Direct injection
- Fuel
- Gasoline
- Fuel capacity
- 15.9 gallons (60.2 L)
Performance
- Top Speed
- 155 mph (249 km/h)
- Acceleration 0-62 Mph (0-100 kph)
- 5.4 s
Transmission
- Drive Type
- All Wheel Drive
- Gearbox
- 8-speed automatic Steptronic
Brakes
- Front
- Ventilated Discs
- Rear
- Ventilated Discs
Tires
- Tire Size
- 225/50 R17
Dimensions
- Length
- 182.7 in (4641 mm)
- Width
- 71.9 in (1826 mm)
- Height
- 55.1 in (1400 mm)
- Front/rear Track
- 60.7/62.7 in (1,542/1,593 mm)
- Wheelbase
- 110.6 in (2809 mm)
- Ground Clearance
- 5.7 in (145 mm)
- Cargo Volume
- 13.1 cuFT (371 L)
- Aerodynamics (Cd)
- 0.31
- Turning circle (curb to curb)
- 38.7 ft (11.8 m)
Weight
- Unladen Weight
- 4079 lbs (1850 kg)
- Gross Weight Limit
- 5071 lbs (2300 kg)
Fuel Economy (nedc)
- City
- 24 mpg US (9.8 L/100Km)
- Highway
- 40.6 mpg US (5.8 L/100Km)
- Combined
- 32.2 mpg US (7.3 L/100Km)
- CO2 Emissions
- 169 g/km
Length4,641 mm
Width1,826 mm
Height1,400 mm
Wheelbase2,809 mm
Curb weight1,700 – 1,850 kg
Torque270 – 630 Nm
Ranges across all 10 variants of this generation.
