Executive Overview & Vehicle Identity

• Segment: A-Segment Sub-Compact Sedan
• Platform Architecture: Daihatsu Global A-Segment Platform
• Internal Generation Code: D42L
• Assembly / Origin: Rawang, Selangor, Malaysia (CKD)
• Trim Level: 1.3 X (Mid-Spec Automatic)

1. Powertrain & Combustion Architecture

The Bezza 1.3 X upgrades from the 1.0L 3-cylinder unit to the 1NR-VE 4-cylinder engine, incorporating Dual VVT-i (variable valve timing on both intake and exhaust camshafts) for reduced pumping losses and broader mid-range torque delivery.

• Engine Code: Toyota / Daihatsu 1NR-VE
• Cylinder Configuration: In-line 4-cylinder, transverse front-mounted
• Displacement: 1,329 cc (1.33 Litres)
• Bore x Stroke: 72.5 mm x 80.5 mm
• Bore-to-Stroke Ratio: 0.90 (Under-square efficiency profile)
• Compression Ratio: 11.5:1
• Valvetrain: Double Overhead Camshaft (DOHC), 4 valves per cylinder (16 valves total), timing chain driven with Dual VVT-i (Intake & Exhaust continuous variable timing)
• Fuel Delivery: Multi-Point Electronic Fuel Injection (EFI)
• Cylinder Block / Head Material: Die-cast aluminum alloy block / Aluminum alloy head
• Maximum Power Output: 70 kW (95 PS / 94 bhp) @ 6,000 RPM
• Maximum Torque Output: 121 Nm (89.2 lb-ft) @ 4,000 RPM
• Specific Power Output: 52.67 kW/L (71.5 PS/L)
• Specific Torque Output: 91.05 Nm/L

2. Transmission & Driveline Kinematics

The 1.3 X utilizes an electronically controlled 4-speed automatic transmission calibrated specifically for balanced urban shifts and relaxed highway engine speeds.

• Transmission Type: 4-Speed Electronic Automatic Transmission (4E-AT)
• Torque Transfer: Hydraulic torque converter with direct mechanical lock-up clutch
• Manufacturer: Akashi-Kikai / Daihatsu Motor Company
• Drivetrain Configuration: Front-Engine, Front-Wheel Drive (FF layout)
• Gear Selector Pattern: Gated shifter console (P-R-N-D-3-2) with manual lower gear lockout for engine braking

3. Chassis, Suspension & Braking Dynamics

Upgraded from the 1.0L variants, the 1.3 X features larger 15-inch wheels and standard electronic active stability systems.

Subsystem	Engineering Specification
Front Suspension	Independent MacPherson Strut with coil springs, lower wishbones, and integrated stabilizer bar
Rear Suspension	Semi-independent Torsion Beam axle with separate coil springs and dampers
Front Brakes	230 mm Ventilated discs with single-piston floating calipers
Rear Brakes	180 mm Leading-trailing mechanical self-adjusting drums
Parking Brake	Manual cable-actuated mechanical handbrake on rear drums
Steering System	Column-mounted Electric Power Steering (C-EPS), rack-and-pinion
Turning Radius	4.5 m (Minimum turning circle: 9.0 m curb-to-curb)
Wheel Fitment	15-inch x 5.0J Two-tone machined-finish cast alloy wheels
Factory Tire Spec	175/60 R15 81H (Bridgestone Ecopia EP150 low rolling resistance compound)
Spare Wheel	Full-size 14-inch steel spare wheel (175/65 R14)

4. Dimensions, Weights & Packaging

• Overall Length: 4,170 mm
• Overall Width: 1,620 mm
• Overall Height: 1,525 mm (Unladen)
• Wheelbase: 2,455 mm
• Track Width (Front / Rear): 1,410 mm / 1,405 mm
• Ground Clearance: 160 mm
• Kerb Weight (DIN): 930 kg
• Gross Vehicle Weight (GVWR): 1,340 kg
• Fuel Tank Capacity: 36 Litres
• Cargo Volume (VDA Standard): 508 Litres with deep underfloor luggage tray
• Rear Seat Utility: 60:40 split-folding rear seatbacks

5. Electrical Architecture, Safety & Cockpit Electronics

The 1.3 X marks the entry point for Perodua’s electronic active handling aids (VSC and Traction Control) while preserving straightforward analog and physical switchgear controls.

Safety & Active Systems

• Electronic Stability: Vehicle Stability Control (VSC) & Traction Control (TRC) standard
• Slope Management: Hill-Start Assist (HSA) standard
• Braking Management: Anti-lock Braking System (ABS), Electronic Brake Distribution (EBD), and Brake Assist (BA)
• Passive Safety: 2 SRS Airbags (Front driver and passenger); ISOFIX child anchor brackets on outer rear positions
• Acoustic Proximity Sensors: Dual rear parking sensors + Dual front corner clearance sensors
• Anti-Theft: Engine immobilizer with anti-snatch handbag hook on the front passenger seat

Cockpit & Connectivity

• Access System: Keyless Smart Entry with Push Start/Stop engine button
• Audio Unit: Standard integrated audio head unit with USB, Bluetooth hands-free audio streaming, and 4-speaker layout (front and rear door speakers)
• Power Outlets: 12V front auxiliary power socket + 5V/2A rear console USB charging port
• Exterior Illumination: LED reflector headlamps with manual beam leveller, front halogen fog lamps, and LED rear combination lamps
• Wing Mirrors: Electric adjustable side mirrors with integrated LED turn signal repeaters

6. Benchmarking & Efficiency Metrics

Calculated Engineering Metrics

• Power-to-Weight Ratio: 102.15 PS / Metric Ton (75.27 kW / Ton)
• Weight-to-Power Ratio: 9.79 kg / PS (13.28 kg / kW)
• Torque-to-Weight Ratio: 130.1 Nm / Metric Ton

Certified Efficiency Standards

• Rated Fuel Consumption (Claimed EEV): 21.0 km/L (4.76 L/100 km)
• Theoretical Cruising Range: Approximately 756 km on a full 36 L tank

7. Comparative Segment Matrix: 1.3L Class Contenders

Engineering Parameter	Perodua Bezza 1.3 X (4AT)	Proton Saga 1.3 Premium (4AT)	Perodua Bezza 1.0 G (4AT)
Engine Architecture	1.3L 4-Cyl Dual VVT-i (1NR-VE)	1.3L 4-Cyl VVT (CamPro)	1.0L 3-Cyl VVT-i (1KR-VE)
Power Output	95 PS @ 6,000 RPM	95 PS @ 5,750 RPM	68 PS @ 6,000 RPM
Torque Output	121 Nm @ 4,000 RPM	120 Nm @ 4,000 RPM	91 Nm @ 4,400 RPM
Transmission	4-Speed 4E-AT	4-Speed Torque Converter AT	4-Speed 4E-AT
Kerb Weight	930 kg	1,065 kg	880 kg
Power-to-Weight	102.15 PS / tonne	89.2 PS / tonne	77.2 PS / tonne
Luggage Capacity	508 Litres	420 Litres	508 Litres
Active Stability	VSC, TRC, HSA, ABS, EBD	ESC, TCS, HHA, ABS, EBD	ABS, EBD only
Wheel / Tire Spec	15-inch (175/60 R15)	15-inch (185/55 R15)	14-inch (175/65 R14)
Rated Consumption	21.0 km/L (4.76L/100km)	~15.2 km/L (6.5L/100km)	21.3 km/L (4.7L/100km)