Technical Specification & Engineering Dossier: Perodua Bezza 1.0 G AT

Executive Overview & Vehicle Identity

  • Segment: A-Segment Entry Sedan
  • Platform Architecture: Daihatsu Global A-Segment Platform
  • Assembly / Origin: Rawang, Selangor, Malaysia (CKD)
  • Trim Level: 1.0 G AT (Automatic Transmission Variant)

1. Powertrain & Combustion Architecture

The Bezza 1.0 G AT is powered by the naturally aspirated 1KR-VE 3-cylinder engine, utilizing an under-square combustion geometry to maximize thermal efficiency and low-end torque for urban stop-and-go driving.

  • Engine Code: Toyota / Daihatsu 1KR-VE
  • Cylinder Configuration: In-line 3-cylinder, transverse front-mounted
  • Displacement: 998 cc (1.0 Litre)
  • Bore x Stroke: 71.0 mm x 84.0 mm (Long-stroke geometry)
  • Bore-to-Stroke Ratio: 0.85
  • Compression Ratio: 11.5:1
  • Valvetrain: Double Overhead Camshaft (DOHC), 4 valves per cylinder (12 valves total), timing chain driven with Variable Valve Timing (VVT-i) on the intake camshaft
  • Fuel Delivery: Multi-Point Electronic Fuel Injection (EFI)
  • Cylinder Block / Head Material: Die-cast aluminum alloy block / Aluminum alloy head
  • Maximum Power Output: 50 kW (68 PS / 67 bhp) @ 6,000 RPM
  • Maximum Torque Output: 91 Nm (67.1 lb-ft) @ 4,400 RPM
  • Specific Power Output: 50.1 kW/L (68.1 PS/L)
  • Specific Torque Output: 91.18 Nm/L

2. Transmission & Driveline Kinematics

Unlike the newer D-CVT architecture found in the DNGA-based Axia, the Bezza 1.0 G AT uses a conventional, robust 4-speed torque-converter automatic transmission.

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

3. Chassis, Suspension & Braking Dynamics

The chassis setup balances everyday urban road absorption with high structural rigidity to manage luggage loads over the rear axle.

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 Radius4.5 m (Minimum turning circle: 9.0 m curb-to-curb)
Wheel Fitment14-inch 8-spoke painted cast alloy wheels
Factory Tire Spec175/65 R14 (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): 1,410 mm / 1,405 mm
  • Kerb Weight (DIN): 880 kg (15 kg heavier than 1.0 G Manual due to 4E-AT hardware)
  • Gross Vehicle Weight (GVWR): 1,320 kg
  • Fuel Tank Capacity: 36 Litres
  • Cargo Capacity (VDA standard): 508 Litres (Fixed rear backrest layout)
  • Tandem Seating Distance: 895 mm (Front H-point to Rear H-point)

5. Electrical Architecture, ADAS & Cockpit Electronics

The 1.0 G AT delivers essential modern conveniences and mandatory safety equipment, omitting the active sensor matrix reserved for the flagship 1.3 AV.

Safety & Active Systems

  • Braking Systems: Anti-lock Braking System (ABS) with Electronic Brake Distribution (EBD)
  • Passive Safety: 2 SRS Airbags (Dual front driver and passenger)
  • Child Safety: ISOFIX tether and lower anchor points on outer rear seats
  • Parking Sensors: Dual rear parking acoustic sensors
  • Security: Engine immobilizer system with central door lock remote

Cockpit & Features

  • Instrument Cluster: Backlit amber analogue dials with central multi-info LCD trip computer
  • Audio System: Standard 2-DIN audio unit with Bluetooth, USB input, and 2-speaker front soundstage
  • Lighting System: Reflector LED headlamps with manual beam leveler, bulb-type combination tail lamps
  • Mirrors: Electric side mirrors with integrated LED turn signals (manual folding)
  • HVAC: Manual dial-operated climate control system

6. Benchmarking & Efficiency Metrics

Calculated Engineering Metrics

  • Power-to-Weight Ratio: 77.2 PS / Metric Ton (56.8 kW / Ton)
  • Weight-to-Power Ratio: 12.94 kg / PS (17.6 kg / kW)
  • Torque-to-Weight Ratio: 103.4 Nm / Metric Ton

Certified Efficiency Standards

  • Rated Fuel Consumption (Claimed EEV): 21.3 km/L (4.7 L/100 km)
  • Theoretical Cruising Range: Approximately 766 km on a single 36 L tank

7. Comparative Segment Matrix: Entry-Level Automatic Sedans

Engineering ParameterPerodua Bezza 1.0 G ATProton Saga 1.3 Standard ATPerodua Axia 1.0 G (Reference)
Engine Configuration1.0L 3-Cyl NA (1KR-VE)1.3L 4-Cyl NA (CamPro VVT)1.0L 3-Cyl NA (1KR-VE)
Power Output68 PS @ 6,000 RPM95 PS @ 5,750 RPM68 PS @ 6,000 RPM
Torque Output91 Nm @ 4,400 RPM120 Nm @ 4,000 RPM91 Nm @ 4,400 RPM
Transmission Type4-Speed 4E-AT4-Speed Torque Converter ATSplit-Gear D-CVT
Kerb Weight880 kg1,065 kg870 kg
Power-to-Weight77.2 PS / tonne89.2 PS / tonne78.1 PS / tonne
Luggage Capacity508 Litres420 Litres265 Litres
Safety Equipment2 Airbags, ABS, EBD2 Airbags, ABS, EBD, ESC2 Airbags, ABS, ESC, TC
Rated Consumption21.3 km/L (4.7L/100km)~15.2 km/L (6.5L/100km)25.3 km/L (3.95L/100km)
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