Verdict
The Z4 has a 48% bigger boot, while the Z4 is 25% more powerful. Weigh that against the equipment each side gives you in the table below.
| Price & overview | ||
|---|---|---|
| Price | RM475,230 | RM459,939✓ |
| Body type | Convertible | SUV |
| Segment | Sports Car | Executive |
| Assembly | CBU | CBU |
| Ownership | ||
| Road tax / year | RM379✓ | RM439 |
| Powertrain | ||
| Engine Tech | 16-valve DOHC, direct fuel injection, twin-scroll turbo with variable valve timing | — |
| Capacity | 1,998 cc | 1,997 cc |
| Horsepower | 255 hp✓ | 192 hp |
| Torque | 400 Nm✓ | 350 Nm |
| Fuel | Petrol | Petrol Plug-in Hybrid |
| Bore | 82 mm | — |
| Compression Ratio | 11.1 | — |
| Number of Motors | — | 2 |
| Motor Horsepower | — | 670 hp |
| Motor Torque | — | 760 Nm |
| Battery Capacity | — | 36.8 kWh |
| EV Range | — | 100 km |
| Charging Rate (AC) | — | 11 kW |
| Charging Rate (DC) | — | 120 kW |
| Drivetrain | ||
| Transmission | Conventional Automatic | Single Ratio Automatic |
| Transmission Name | 8-Speed Steptronic Sport Transmission | — |
| Gears | 8 | — |
| Transmission Manufacturer | ZF | — |
| Driveline | Rear Wheel Drive | All Wheel Drive |
| Performance & Efficiency | ||
| 0-100 km/h | 5.4 seconds | 4.8 seconds✓ |
| Rated Economy | 6.5 L/100 km | — |
| Top Speed | 250 km/h✓ | 180 km/h |
| Co2 | 149 g/km | — |
| Dimensions | ||
| Length | 4,324 mm | 5,195 mm |
| Width | 1,864 mm | 1,994 mm |
| Height | 1,304 mm | 1,905 mm |
| Wheelbase | 2,470 mm | 2,920 mm |
| Weight | 1,491 kg | 3,305 kg |
| Fuel Tank | 52 litres | 91.5 litres |
| Doors | 2 | 5 |
| Seats | 2 | 7 |
| Boot Space | 280 litres✓ | 147 litres |
| Front Tyre | 225/45R18 | 275/55R20 |
| Rear Tyre | 255/40R18 | 275/55R20 |
| Spare Tyre | — | Full Size |
| Factory Tyres | Michelin Pilot Super Sport | Michelin Pilot Sport EV |
| Chassis | ||
| Assembly | Austria (CBU) | China (CBU) |
| Front Suspension | MacPherson Strut | Double Wishbones |
| Rear Suspension | Multi-link | Double Wishbones |
| Front Wheels | 18" Double Spoke Style 798M Alloys | 20" Alloys |
| Rear Wheels | 18" Double Spoke Style 798M Alloys | 20" Alloys |
| Steering | Rack and Pinion (Electric Power Steering) | Rack and Pinion (Electric Power Steering) |
| Chassis Notes | M Sport Suspension | DiSus-P Hydraulic Suspension |
| Safety | ||
| Airbags | Driver and Passenger, Front Side | Driver and Front Passenger, Front and Rear Side Airbags, Curtain Airbags, Front Centre Airbag, |
| ABS/EBD | ✓ | ✓ |
| Stability Control | ✓ | ✓ |
| Alarm | ✓ | ✓ |
| Immobilizer | ✓ | ✓ |
| Airbag Disable Function | ✓ | ✓ |
| Child Safety Lock | — | Electric for Rear Doors |
| Seat Belts | 2 Three-point | 7 Three-point |
| Blind Spot Info System | — | ✓ |
| ISOFIX | — | Available on Outer Second Row Seats |
| Autonomous Braking System | — | Yes |
| Lane-keeping Assist | No | Steering Correction |
| Collision Warning | — | ✓ |
| Seatbelt Reminder | For All Seats | All Seats |
| Night Vision | — | Yes |
| Safety Notes | Flat Tyre Indicator | — |
| Lighting | ||
| Headlamps | LED Projectors | LED Projectors |
| Taillamps | LED Combination | Full LED |
| LED Daytime Running Lights | ✓ | ✓ |
| Front Foglamps | — | ✓ |
| Rear Foglamps | ✓ | ✓ |
| Wing Mirror Turn Indicators | ✓ | ✓ |
| Cabin | ||
| Front Seats | Power Adjustable Front Seats with Memory Function | Powered Front Seats with Ventilation, Memory and Massaging |
| Rear Seats | — | 60:40 Split-folding with Power Recline & Sliding, Ventilation, 50:50 Split-folding Third Row |
| Front Air-con | Dual-zone Automatic Climate Control System | Dual-zone Automatic Climate Control |
| Rear Air-con | — | Single-zone Automatic Climate Control |
| Sunroof | — | Panoramic Sunroof |
| Power Sockets | 1 Front | — |
| Interior Lighting | Map Lights and Ambient Lights | Map Lights, Ambient Lighting |
| Cup Holders | 2 Front | 2 Front, 4 Rear |
| Sun Shade | — | Sunroof Shade |
| Audio | 10.25" BMW Navigation system Professional, iDrive Touch controller, 12-speaker Harman Kardon Surround Sound System | 17.3" Touchscreen with Wireless Apple CarPlay & Android Auto, 18-speaker Devialet Sound System |
| Convenience | ||
| Power Windows | Two Windows, Auto Up and Down with Anti-Pinch | Four Windows, Auto Up and Down with Anti Pinch |
| Engine Start | Keyless Push Button | Keyless Push Button |
| Locks | Keyless Operation | Keyless Operation |
| Auto Start/Stop | ✓ | ✓ |
| Auto Headlamps | ✓ | ✓ |
| Auto Wipers | ✓ | ✓ |
| Cruise Control | Passive Cruise Control | Adaptive Cruise Control |
| Tiptronic | ✓ | — |
| Paddle Shift | ✓ | — |
| Steering Audio Control | ✓ | ✓ |
| Steering Tilt | ✓ | ✓ |
| Steering Telescopic | ✓ | ✓ |
| Electric Steering Adjustment | — | ✓ |
| Boot Operation | Remote Control Activation | Side Opening Boot |
| Parking Sensor Front | 4 Sensors | 4 Sensors |
| Parking Sensor Rear | 4 Sensors | 5 Sensors |
| Reverse Camera | Yes | Yes, 360-degree Camera |
| Auto Parking | Yes | — |
| Folding Wing Mirrors | ✓ | ✓ |
| Bluetooth | ✓ | ✓ |
| Navigation | ✓ | — |
| Power Door | — | All Doors |
| Hill Start Assist | ✓ | ✓ |
| Instrument Cluster | Full LCD Monitor | Full LCD Monitor |
| Parking Brake | Electronic | Electronic |
| Convenience Notes | BMW ConnectedDrive, Concierge Service | — |
| Warranty | ||
| Warranty Mileage Manufacturer | Unlimited✓ | 150,000 km |
| Warranty Manufacturer | 2 years | 6 years✓ |
| Warranty Notes | — | 8-years/160,000 km Drivetrain Warranty, 8-year/150,000 km Battery Warranty |
Specs shown for the selected variant of each car. ✓ marks the better figure where lower/higher is objectively better. Road tax: West Malaysia, private registration.