VS
At a Glance
Power
145 kW
390 kW
Torque
400 Nm
690 Nm
Fuel
6.2 l/100km
21.2 kWh/100km l/100km
Towing
2500 Kg
—
0-100 km/h
7.7 s
4.5 s
Engine
1995 cc
electric cc
Choosing between the BMW X3 and the BYD Sealion 7 is one of the most common decisions South African car buyers face. The BMW X3 delivers 145 kW while the BYD Sealion 7 produces 390 kW. On fuel, the X3 returns 6.2 l/100km while the Sealion 7 uses 21.2 kWh/100km l/100km — important in a market where fuel prices change monthly. Pricing starts at R1 158 417 for the X3 and R1 319 900 for the Sealion 7. 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.
Performance
Power Output
145 kW
390 kW
Torque
400 Nm
690 Nm
0-100 kph
7.7 s
4.5 s
Top Speed
215 Km/h
215 Km/h
Engine & Drivetrain
Engine Capacity
1995 cc
electric cc
Engine Layout
inline
—
Cylinders
4
—
Fuel Type
diesel
electric
Forced Induction Device
turbocharger
—
Transmission
automatic
automatic
Number of Gears
8
—
Drive Wheels
all
all
Full Time 4x4
✓ Standard
✓ Standard
Fuel Economy
Fuel Consumption Average
6.2 l/100km
21.2 kWh/100km l/100km
Fuel Tank Capacity
60 l
82.6 kWh l
CO2 Emissions
163 g/km
—
Dimensions
Length
4755 mm
4830 mm
Width
1920-2132 mm
1925 mm
Height
1660 mm
1620 mm
Wheelbase
2865 mm
2930 mm
Ground Clearance
—
140 mm
Kerb Weight
1890 DIN / 1965 EU Kg
2340 Kg
Doors
5
5
Seats
5
5
Load Volume
570-1700 l
58 front + 500-1769 rear l
Towing & Payload
Towing Capacity
2500 Kg
—
Load Capacity
645 l
410 l
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
7
9
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
✓ Standard
Adaptive Cruise Control
Optional
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Satellite Navigation
✓ Standard
✓ Standard
Reversing Camera
Optional
✓ Standard
Park Distance Rear
✓ Standard
✓ Standard
Park Distance Front
✓ Standard
✓ Standard
Sunroof
Optional
✓ Standard
Heated Seats
Optional
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Tow Bar
Optional
—
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
2
5 vehicle / 8 battery
Warranty Distance
unlimited Km
100000 vehicle / 200000 battery Km
Service Intervals
service interval indicator / 20000 km
20000
The Verdict
Which Wins?
Overall Winner
BMW X3
3 / 4 categories
Performance
Sealion 7
Fuel Economy
X3
Value
X3
Practicality
X3
Pros & Cons
BMW X3
Better fuel economy (6.2 l/100km)
Lower starting price (R1 158 417)
Less power than rival (145 kW vs 390 kW)
BYD Sealion 7
More powerful engine (390 kW)
Quicker 0-100 km/h (4.5 ss)
Higher fuel consumption (21.2 kWh/100km l/100km)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the X3 or Sealion 7?
The X3 uses 6.2 l/100km and the Sealion 7 uses 21.2 kWh/100km l/100km on the combined cycle. The X3 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 X3 or Sealion 7?
The X3 produces 145 kW and 400 Nm of torque while the Sealion 7 delivers 390 kW and 690 Nm of torque. The Sealion 7 is the more powerful option.
What is the price difference between the X3 and Sealion 7?
The X3 starts from R1 158 417 and the Sealion 7 from R1 319 900. The X3 is cheaper by R161 483 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the X3 or Sealion 7?
The X3 has a braked towing capacity of 2500 Kg and the Sealion 7 can tow not specified. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the X3 or the Sealion 7?
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.