Vehicle Overview
Key specifications and features at a glance
Year2019 - Present
Engine1998
Power135
FuelPetrol
TransmissionAutomatic
Seating5
Year2023 - Present
Engine82.56
Power—
FuelElectric
TransmissionAutomatic
Seating5
Detailed Specifications
Complete technical specifications comparison
Best comparable values are highlighted in green.
| Specification | 3 Series 320i | Seal Performance |
|---|---|---|
| Engine Capacity | 1998 | — |
| Engine Code | B48B20 | — |
| Cylinder Configuration | Inline | — |
| Number of Cylinders | 4 | — |
| Aspiration | Turbocharged | — |
| Battery Capacity | — | 82.56 |
| Battery Type | — | LFP Blade Battery |
| Electric Range | — | 520 km (WLTP) |
| Power | 135 | 390 |
| Torque | 300 | 670 |
| 0–100 km/h | — | 3.8 |
| Top Speed | 235 | 180 |
| AC Charging Power | — | 7 |
| DC Fast Charging Power | — | 150 |
| AC Connector | — | Type-2 |
| DC Connector | — | Ccs2 |
| V2L | — | Yes |
| Heat Pump | — | Yes |
| Regenerative Braking | — | Yes |
| Drive Type | RWD | AWD |
| Fuel Economy City | 7.7 | — |
| Fuel Economy Highway | 5.2 | — |
| Fuel Economy Combined | 6.3 | — |
| Tyre Size | 225 / 45 R18 front;255 / 40 R18 rear | 235 / 45 R19 |
| Wheel Size | 18 | 19 |
| Number of Doors | 4 | 4 |
| Seating Capacity | 5 | 5 |
| Front Brakes | Ventilated disc | Ventilated and drilled disc |
| Rear Brakes | Ventilated disc | Ventilated disc |
| Front Suspension | Double-joint spring strut | Double wishbone |
| Rear Suspension | Five-link | Multi-link |
| Steering Type | Electric rack and pinion | Electric power steering |
| Number of Airbags | 8 | 9 |
| Towing Capacity | 1600 | — |
| Turning Circle | 12 | 5.7 |
Dimensions & Weight
Physical specifications and measurements
Best comparable values are highlighted in green.
| Dimension | 3 Series 320i | Seal Performance |
|---|---|---|
| Fuel Tank Capacity | 59 | — |
| Length | 4713 | 4800 |
| Width | 1827 | 1875 |
| Height | 1440 | 1460 |
| Wheelbase | 2851 | 2920 |
| Ground Clearance | 136 | 145 |
| Kerb Weight | 1545 | 2185 |
| Boot Space | 480 | 400 |
| Frunk Space | — | 53 |
Features Comparison
Standard and optional equipment comparison
Safety
| Feature | 3 Series 320i | Seal Performance |
|---|---|---|
| Adaptive Cruise Control | ||
| Autonomous Emergency Braking | ||
| Lane Departure Warning | ||
| Lane Keep Assist | ||
| Blind Spot Monitoring | ||
| Rear Cross Traffic Alert | ||
| Traffic Sign Recognition | ||
| Driver Attention Monitor | ||
| Front Parking Sensors | ||
| Rear Parking Sensors | ||
| 360 Camera | ||
| Reverse Camera | ||
| Hill Start Assist | ||
| Tyre Pressure Monitoring System | ||
| Rear Occupant Alert |
Comfort
| Feature | 3 Series 320i | Seal Performance |
|---|---|---|
| Keyless Entry | ||
| NFC Keyless Entry | ||
| Push Button Start | ||
| Dual-Zone Climate Control | ||
| Tri-Zone Climate Control | ||
| Heated Front Seats | ||
| Ventilated Front Seats | ||
| Heated Steering Wheel | ||
| Power Tailgate | ||
| Remote Start | ||
| Power Driver Seat | ||
| Power Passenger Seat | ||
| Memory Seats | ||
| Auto Dimming Mirror | ||
| Rain Sensing Wipers | ||
| Adaptive Headlights |
Interior Exterior
| Feature | 3 Series 320i | Seal Performance |
|---|---|---|
| Leather Seats | ||
| Fabric Seats | ||
| Ambient Lighting | ||
| Sunroof | ||
| Panoramic Roof | ||
| LED Headlights | ||
| Matrix LED Headlights | ||
| Daytime Running Lights | ||
| Alloy Wheels | ||
| Roof Rails | ||
| Rear Privacy Glass | ||
| Power Folding Mirrors |
Technology
| Feature | 3 Series 320i | Seal Performance |
|---|---|---|
| Touchscreen Display | ||
| Digital Instrument Cluster | ||
| Apple CarPlay | ||
| Android Auto | ||
| Wireless Apple CarPlay | ||
| Wireless Android Auto | ||
| Wireless Phone Charging | ||
| Built-in Navigation | ||
| Premium Audio System | ||
| Head-Up Display | ||
| USB-C Ports | ||
| Bluetooth Connectivity | ||
| Voice Control | ||
| Connected Car App |
Charging & Battery Tech
| Feature | 3 Series 320i | Seal Performance |
|---|---|---|
| AC home charging | ||
| DC fast-charge capable | ||
| Scheduled charging | ||
| Charging Cable Included | ||
| Portable Charger Included | ||
| Wall Charger Compatible | ||
| Battery Preconditioning | ||
| Heat Pump |
EV / Hybrid Drive Features
| Feature | 3 Series 320i | Seal Performance |
|---|---|---|
| Regenerative braking | ||
| Drive mode select | ||
| EV / hybrid drive modes | ||
| One Pedal Driving | ||
| V2L | ||
| V2G |
Electric vehicle features
| Feature | 3 Series 320i | Seal Performance |
|---|---|---|
| Aero Alloy Wheels | ||
| Charging Port Light Indicator |
Pros & Cons
Strengths and weaknesses of each vehicle
BMW 3 Series 320i
Pros
- +Accessible 3 Series entry point
- +Balanced rear-wheel-drive handling
- +Efficient turbo petrol engine
- +Practical 480-litre boot
- +Premium cabin technology
Cons
- −No longer central to current range
- −Less powerful than 330i
- −Costly optional equipment
- −Firm ride on poor roads
- −Rear seat space is moderate
BYD Seal Performance
Pros
- +Very quick 3.8 second acceleration
- +Strong 390 kW dual-motor output
- +All-wheel-drive traction
- +Adaptive damping improves control
- +Comprehensive safety equipment
Cons
- −Highest price in the range
- −Shorter range than Premium
- −Heavy 2185 kg kerb weight
- −No one-pedal driving mode
- −Performance can increase energy use
Which one should you buy?
Best for Performance: BYD Seal Performance
System power around 390 kW supports a solid performance score.
Best for Value: BYD Seal Performance
Boot space relative to list price contributes positively to the value score.
Best Overall: BYD Seal Performance
Across performance, value, efficiency, and practicality, this variant shows a balanced overall profile.
Our Recommendation
Choose BMW 3 Series 320i if: Value for money and practical everyday use matter most.
Choose BYD Seal Performance if: You prioritise performance and responsive power.
Bottom Line: BYD Seal Performance leads on performance and BYD Seal Performance leads on value.
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