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BMW 4 Series vs BMW i4

420i Convertible M Sport A/T (g23) - Edrive35

BMW 4 Series
BMW 4 Series
420i Convertible M Sport A/T (g23)
From R1 156 070
View Full Specs →
VS
BMW i4
BMW i4
Edrive35
From R1 500 000
View Full Specs →
At a Glance
Power
135 kW
210 kW
Torque
300 Nm
400 Nm
Fuel
6.6 l/100km
15.0 kWh/100km l/100km
Towing
1600 Kg
1600 Kg
0-100 km/h
8.2 s
6.0 s
Engine
1998 cc
electric cc

Choosing between the BMW 4 Series and the BMW i4 is one of the most common decisions South African car buyers face. The BMW 4 Series delivers 135 kW while the BMW i4 produces 210 kW. On fuel, the 4 Series returns 6.6 l/100km while the i4 uses 15.0 kWh/100km l/100km — important in a market where fuel prices change monthly. Pricing starts at R1 156 070 for the 4 Series and R1 500 000 for the i4. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.

Specification
BMW 4 SeriesFrom R1 156 070
BMW i4From R1 500 000
Performance
Power Output
135 kW
210 kW
Torque
300 Nm
400 Nm
0-100 kph
8.2 s
6.0 s
Top Speed
236 Km/h
190 Km/h
Engine & Drivetrain
Engine Capacity
1998 cc
electric cc
Engine Layout
inline
Cylinders
4
Fuel Type
petrol
electric
Forced Induction Device
turbocharger
Transmission
automatic
automatic
Number of Gears
8
Drive Wheels
rear
rear
Fuel Economy
Fuel Consumption Average
6.6 l/100km
15.0 kWh/100km l/100km
Fuel Tank Capacity
59 l
70.3 kWh l
CO2 Emissions
152 g/km
Dimensions
Length
4768 mm
4783 mm
Width
1852-2081 mm
1852-2073 mm
Height
1384 mm
1448 mm
Wheelbase
2851 mm
2856 mm
Ground Clearance
125 mm
Kerb Weight
1690 DIN / 1765 EU Kg
1995 DIN / 2070 EU Kg
Doors
2
5
Seats
4
5
Load Volume
300-385 l
470-1290 l
Towing & Payload
Towing Capacity
1600 Kg
1600 Kg
Load Capacity
495 l
555 l
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
6
6
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
Optional
Optional
Adaptive Cruise Control
Optional
Optional
Bluetooth
✓ Standard
✓ Standard
Satellite Navigation
✓ Standard
✓ Standard
Reversing Camera
Optional
✓ Standard
Park Distance Rear
✓ Standard
✓ Standard
Park Distance Front
✓ Standard
✓ Standard
Sunroof
✓ Standard
Heated Seats
✓ Standard
Optional
Keyless Entry
Optional
✓ Standard
Tow Bar
Optional
Optional
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
2
2 vehicle / 8 battery
Warranty Distance
unlimited Km
unlimited vehicle / 100000 battery Km
Service Intervals
service interval indicator / 20000 km
service interval indicator

Which Wins?

Overall Winner
Tie
2 / 4 categories
Performance
i4
Fuel Economy
4 Series
Value
4 Series
Practicality
i4
BMW 4 Series
+Better fuel economy (6.6 l/100km)
+Lower starting price (R1 156 070)
-Less power than rival (135 kW vs 210 kW)
BMW i4
+More powerful engine (210 kW)
+Quicker 0-100 km/h (6.0 ss)
-Higher fuel consumption (15.0 kWh/100km l/100km)
-Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the 4 Series or i4?
The 4 Series uses 6.6 l/100km and the i4 uses 15.0 kWh/100km l/100km on the combined cycle. The 4 Series is the more fuel-efficient choice. In South African conditions with a mix of highway and urban driving, real-world figures will be slightly higher.
Which has more power, the 4 Series or i4?
The 4 Series produces 135 kW and 300 Nm of torque while the i4 delivers 210 kW and 400 Nm of torque. The i4 is the more powerful option.
What is the price difference between the 4 Series and i4?
The 4 Series starts from R1 156 070 and the i4 from R1 500 000. The 4 Series is cheaper by R343 930 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the 4 Series or i4?
The 4 Series has a braked towing capacity of 1600 Kg and the i4 can tow 1600 Kg. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the 4 Series or the i4?
It depends on your priorities. If fuel economy matters most, check the L/100km figures above. If you need towing capacity, compare the towing ratings. For day-to-day South African driving - load shedding runs, potholed roads, school runs and highway commutes - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.

BMW 4 Series Variants

All 4 Series Specs →

BMW i4 Variants

All i4 Specs →

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