Technical Specification & Engineering Dossier: Perodua Bezza 1.3 AV (D42L)

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: AV / Advance (Flagship Variant)

1. Powertrain & Combustion Architecture

The flagship Bezza AV is powered by the naturally aspirated 1NR-VE 4-cylinder engine, incorporating Dual VVT-i (variable valve timing on both intake and exhaust sides) and an automatic start-stop system (Eco Idle) to balance urban acceleration with optimal thermal efficiency.

  • 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 (Under-square combustion geometry)
  • Bore-to-Stroke Ratio: 0.90
  • Compression Ratio: 11.5:1
  • Valvetrain: Double Overhead Camshaft (DOHC), 4 valves per cylinder (16 valves total), timing chain driven with Dual VVT-i 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
  • Start-Stop System: Perodua Eco Idle automatic engine idling stop system with auxiliary deep-cycle electrical battery

2. Transmission & Driveline Kinematics

The 1.3 AV utilizes an electronically controlled 4-speed automatic transmission calibrated with a lock-up clutch mechanism for direct power transfer at cruising 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 Console: Gated console pattern (P-R-N-D-3-2) with low-gear hold functions for engine braking and hill descents

3. Chassis, Suspension & Dynamics

SubsystemEngineering Specification
Front SuspensionIndependent MacPherson Strut with coil springs, lower wishbones, and integrated stabilizer bar
Rear SuspensionSemi-independent Torsion Beam axle with separate coil springs and dampers
Front Brakes230 mm Ventilated discs with single-piston floating calipers
Rear Brakes180 mm Leading-trailing mechanical self-adjusting drums
Parking BrakeManual cable-actuated mechanical handbrake on rear drums
Steering SystemColumn-mounted Electric Power Steering (C-EPS), rack-and-pinion
Turning Radius5.0 m (Minimum turning circle: 10.0 m curb-to-curb)
Wheel Fitment15-inch x 5.0J Two-tone machined-finish alloy wheels
Factory Tire Spec175/60 R15 81H (Bridgestone Ecopia EP150 low rolling resistance compound)
Spare WheelFull-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): 1,405 mm / 1,400 mm
  • Ground Clearance: 160 mm
  • Kerb Weight (DIN): 940 kg
  • Gross Vehicle Weight (GVWR): 1,355 kg
  • Fuel Tank Capacity: 36 Litres
  • Cargo Volume (VDA Standard): 508 Litres with deep underfloor storage compartment
  • Interior Dimensions (L x W x H): 1,900 mm x 1,385 mm x 1,240 mm
  • Rear Seat Versatility: 60:40 split-folding rear seatbacks with twin headrests

5. Electrical Architecture, ADAS & Cockpit Electronics

The Bezza 1.3 AV features the Advanced Safety Assist (ASA 2.0) active safety suite driven by windscreen-mounted forward stereo cameras.

Sensor Hardware & ADAS Matrix

  • Primary Optical Sensors: Forward-facing Dual Stereo Camera suite mounted at the top of the windshield
  • Autonomous Emergency Braking (AEB / Pre-Collision Braking): Operating up to 80 km/h for vehicles and up to 50 km/h for pedestrians
  • Pre-Collision Warning (PCW): Multi-stage audible and visual forward hazard alerts (active up to 100 km/h for vehicles, 50 km/h for pedestrians)
  • Pedal Misoperation Control (PMC): Frontal acceleration suppression when an obstacle is detected within 4 metres
  • Front Departure Alert (FDA): Visual and audible alert when the lead vehicle moves ahead by more than 3 metres
  • Dynamic Active Safety: Vehicle Stability Control (VSC), Traction Control (TRC), Hill-Start Assist (HSA), Anti-lock Braking System (ABS), Electronic Brake Distribution (EBD), and Brake Assist (BA)
  • Passive Safety: 2 SRS Airbags (Front driver and passenger); ISOFIX top and lower child seat tethers
  • Acoustic Sensors & Camera: Rear-view parking camera + Dual rear parking sensors + Dual front corner clearance sensors

Cockpit & Connectivity

  • Access & Ignition: Keyless Smart Entry with Push Start/Stop engine button
  • Infotainment Head Unit: 7.0-inch capacitive touchscreen multimedia system with Smart Link Android screen mirroring, navigation, Bluetooth, USB, and HDMI inputs
  • Audio Setup: 4-speaker audio system (front and rear door wide-band transducers)
  • Steering Wheel: Leather-wrapped multi-function steering wheel with integrated audio and telephone controls
  • Seating Upholstery: Semi-bucket leather seats with dark contrast stitching
  • Exterior Lighting & Aero: LED reflector headlamps with manual leveling, front halogen fog lamps, two-tone side skirtings, two-tone rear door garnish, and power-retractable side mirrors with integrated LED turn signals

6. Benchmarking & Efficiency Metrics

Calculated Engineering Metrics

  • Power-to-Weight Ratio: 101.06 PS / Metric Ton (74.47 kW / Ton)
  • Weight-to-Power Ratio: 9.89 kg / PS (13.43 kg / kW)
  • Torque-to-Weight Ratio: 128.72 Nm / Metric Ton

Certified Efficiency Standards

  • Rated Fuel Consumption (with Eco Idle): 22.0 km/L (4.55 L/100 km)
  • Theoretical Cruising Range: Approximately 792 km on a full 36 L fuel tank

7. Comparative Segment Matrix: Range-Topping A-Segment Sedans

Engineering ParameterPerodua Bezza 1.3 AV (4AT)Proton Saga 1.3 Premium S (4AT)Perodua Axia 1.0 AV (D-CVT)
Engine Architecture1.3L 4-Cyl Dual VVT-i (1NR-VE)1.3L 4-Cyl VVT (CamPro)1.0L 3-Cyl VVT-i (1KR-VE)
Power Output95 PS @ 6,000 RPM95 PS @ 5,750 RPM68 PS @ 6,000 RPM
Torque Output121 Nm @ 4,000 RPM120 Nm @ 4,000 RPM91 Nm @ 4,400 RPM
Transmission Type4-Speed 4E-AT4-Speed Torque Converter ATSplit-Gear D-CVT
Idling Start-StopYes (Eco Idle)NoYes (Eco Idle)
Kerb Weight940 kg1,080 kg890 kg
Power-to-Weight101.06 PS / tonne87.96 PS / tonne76.4 PS / tonne
Luggage Capacity508 Litres420 Litres265 Litres
Active Safety SuiteStereo Camera (ASA 2.0: AEB, PCW, PMC, FDA)Passive Electronic Only (ESC, TCS)Stereo Camera + Radar (PSDA / ASA 3.0 + BSM, RCTA)
Airbag Count2 Airbags2 Airbags6 Airbags
Rated Consumption22.0 km/L (4.55L/100km)~14.9 km/L (6.7L/100km)27.4 km/L (3.65L/100km)
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