Executive Overview & Vehicle Identity

• Segment: B-Segment Electric Hatchback / Urban Crossover
• Platform Architecture: Geely Global Intelligent New Energy Architecture (GEA / E-Platform)
• Donor Architecture: Geely Xingyuan (Star Wish)
• Drivetrain Layout: Rear-Mounted Single Motor, Rear-Wheel Drive (RWD)
• Assembly / Origin: Tanjung Malim, Perak, Malaysia (CBU / CKD)
• Trim Lineup: Prime (Standard Range), Premium (Extended Range)

                        PROTON e.MAS 5 
 ┌─────────────────────────────────────────────────────────────────┐
 │ POWERTRAIN: 11-in-1 Intelligent EDU (58 kW / 85 kW PSM Motor)   │
 │ TRACTION BATTERY: CATL LFP Chemistry (30.12 kWh / 40.16 kWh)    │
 │ CHASSIS: MacPherson Strut Front / Multi-Link Independent Rear   │
 │ PACKAGING: 70L Frunk + 375L Boot + 28L Under-Seat Storage       │
 │ COCKPIT: 14.6" FHD Central Screen + ATLAS OS (Malay/Eng Voice)  │
 └─────────────────────────────────────────────────────────────────┘

1. Electric Drive Unit (EDU) & Drivetrain Architecture

The Proton e.MAS 5 uses an integrated 11-in-1 High-Efficiency Electric Drive Unit that consolidates the motor, inverter, reducer, onboard charger (OBC), DC-DC converter, and power distribution units into a single lightweight casing mounted on the rear axle.

  [Inverter / Si-IGBT] ──► 11-in-1 Integrated EDU ──► Rear Axle Direct Drive
  [CATL LFP Pack]      ──► Permanent Magnet Sync  ──► 0-50 km/h: 3.9s (Premium)

Motor & Performance Specifications

• Motor Type: Rear-Mounted Permanent Magnet Synchronous Motor (PSM)
• Drivetrain Configuration: Rear-Engine / Rear-Motor, Rear-Wheel Drive (RWD)
• Prime Variant:
  • Maximum Power Output: 58 kW (79 PS / 78 bhp)
  • Maximum Torque Output: 130 Nm (95.9 lb-ft)
  • Acceleration (0–50 km/h): 4.4 seconds
• Premium Variant:
  • Maximum Power Output: 85 kW (116 PS / 114 bhp)
  • Maximum Torque Output: 150 Nm (110.6 lb-ft)
  • Acceleration (0–50 km/h): 3.9 seconds
• Top Speed: 135 km/h (Prime) / 140 km/h (Premium) (Electronically limited)

2. High-Voltage Battery Pack & Charging Architecture

The e.MAS 5 features high-density Lithium Iron Phosphate (LFP) battery packs developed by CATL, designed with Cell-to-Pack (CTP) structural integration.

• Battery Chemistry: CATL Lithium Iron Phosphate (LFP)
• Cell Energy Density: ~185 Wh/kg
• Thermal Management: Active liquid cooling with thermal runaway isolation shielding
• Prime Battery Capacity:30.12 kWh (Gross)
  • Rated Driving Range:225 km (WLTP) / 285 km (NEDC)
  • Peak DC Fast Charging Rate: 53 kW
  • DC Fast Charge Time (30% to 80% SoC): 21 minutes
  • AC Charging Rate: 6.6 kW (10% to 100% full charge in ~4.3 hours)
• Premium Battery Capacity:40.16 kWh (Gross)
  • Rated Driving Range:325 km (WLTP) / 395 km (NEDC)
  • Peak DC Fast Charging Rate: 71 kW
  • DC Fast Charge Time (30% to 80% SoC): 21 minutes
  • AC Charging Rate: 6.6 kW (10% to 100% full charge in ~5.9 hours)

3. Chassis, Suspension & Dynamics

Unlike many entry-level front-wheel-drive EVs that use simple torsion beams, the e.MAS 5 features a dedicated independent multi-link rear suspension, improving ride compliance and balance.

Subsystem	Engineering Specification
Front Suspension	Independent MacPherson Strut with coil springs and anti-roll bar
Rear Suspension	Independent Multi-Link Rear Suspension with isolated subframe mounting
Front Brakes	Ventilated disc brakes with single-piston floating calipers
Rear Brakes	Solid disc brakes with integrated Electric Parking Brake (EPB) and Auto-Hold
100–0 km/h Braking Distance	36.9 metres
Steering System	Rack-mounted Electric Power Steering (EPS), 4.95 m minimum turning radius
Prime Wheels / Tires	15-inch steel/alloy wheels (185/65 R15)
Premium Wheels / Tires	16-inch Aerodynamic 5-spoke Alloy Wheels (205/60 R16)

4. Dimensions, Weights & Spatial Packaging

       ◄──────────────────── 4,135 mm (Length) ────────────────────►
       ┌───────────────────────────────────────────────────────────┐ ▲
       │  [70L Frunk]       [Spacious Tandem Seating]   [375L Boot] │ │ 1,580 mm
       └──────┬────┬───────────────────────────────────┬────┬───────┘ ▼
       ◄─ 750 mm ─►◄──────── 2,650 mm (Wheelbase) ────────►◄─ 735 mm ─►

• Overall Length: 4,135 mm
• Overall Width: 1,805 mm
• Overall Height: 1,580 mm
• Wheelbase: 2,650 mm (yielding a 64.1% wheelbase-to-length packaging ratio)
• Kerb Weight:
  • Prime: 1,230 kg
  • Premium: 1,305 kg
• Front Cargo Trunk (Frunk):70 Litres (with gas/pneumatic strut support)
• Rear Luggage Capacity:
  • Seats Upright: 375 Litres
  • Rear Seats Folded (60:40): 1,320 Litres
• Integrated In-Cabin Storage: 32 dedicated compartments, including a 20L open under-console tray and a 28L rear under-seat pull-out tub.

5. In-Depth Variant Hierarchy & Differences

  Prime (Standard Range) ────────► Premium (Extended Range)
  [30.12 kWh LFP / 225 km WLTP]     [40.16 kWh LFP / 325 km WLTP]
  [58 kW Motor / 130 Nm]            [85 kW Motor / 150 Nm]
  [14.6" Screen + 6 Airbags]        [Adds ADAS Suite, 360° 3D Cam, Powered Tailgate,
  [70L Frunk + Multi-Link Rear]      16" Alloys, LED Aero Headlamps, 6 Speakers]

1. Proton e.MAS 5 Prime

• Powertrain & Battery: 58 kW (79 PS / 130 Nm) rear motor with a 30.12 kWh CATL LFP battery (225 km WLTP). 53 kW DC charging.
• Exterior: Aerodynamic halogen/LED projector headlamps, standard single-tone body finish, manual tailgate lift, 15-inch wheels, power-adjustable side mirrors.
• Interior & Cockpit: 8.8-inch LCD digital instrument cluster, 14.6-inch Full HD central touchscreen head unit running ATLAS Auto OS, crystal rotary gear selector, mono-tone leatherette seats, manual air conditioning.
• Cabin Utility: 70L front trunk with pneumatic struts, 20L center console storage, 28L under-seat storage bins.
• Audio & Connectivity: 4G/Wi-Fi connected head unit with 2-zone Malay and English voice command recognition, 1x USB-A + 1x USB-C front ports, 4-speaker audio system.
• Safety & Security:6 SRS Airbags (Dual front, side thorax, full curtain), Electronic Stability Control (ESC), Traction Control (TCS), ABS with EBD and Brake Assist, Hill Hold Control, Hill Descent Control (HDC), reverse camera, and rear parking sensors.

2. Proton e.MAS 5 Premium (Flagship)

• Upgrades over Prime:
  • Powertrain & Battery: Upgraded 85 kW (116 PS / 150 Nm) rear motor, 40.16 kWh CATL LFP battery (325 km WLTP), 71 kW DC fast-charging capacity.
  • Exterior Enhancements: Full LED aerodynamic auto-headlamps, two-tone contrasting roof paint options, Smart Powered Tailgate with height memory, 16-inch two-tone machine-finished alloy wheels.
  • Advanced Driver Assistance Systems (ADAS):
    • Adaptive Cruise Control (ACC) with Intelligent Cruise Assist
    • Autonomous Emergency Braking (AEB) with Forward Collision Warning (FCW)
    • Lane Departure Warning (LDW) & Lane Keeping Assist (LKA)
    • Blind Spot Detection (BSD) & Rear Cross Traffic Alert (RCTA)
    • Door Opening Warning (DOW) & Traffic Sign Recognition (TSR)
  • Surround Visibility:360-degree high-definition camera system with transparent 3D chassis view.
  • Interior Luxury & Tech: Two-tone leatherette-wrapped multi-function steering wheel, upgraded 6-speaker surround sound system, rear passenger air-conditioning vents, 2x rear fast USB charging ports.

6. Comprehensive Variant Spec Matrix

Feature / System	e.MAS 5 Prime	e.MAS 5 Premium
Battery Chemistry / Capacity	CATL LFP (30.12 kWh)	CATL LFP (40.16 kWh)
WLTP Driving Range	225 km	325 km
NEDC Driving Range	285 km	395 km
Electric Motor Output	58 kW (79 PS / 130 Nm)	85 kW (116 PS / 150 Nm)
Drivetrain Layout	Rear-Wheel Drive (RWD)	Rear-Wheel Drive (RWD)
0–50 km/h Acceleration	4.4 seconds	3.9 seconds
DC Fast Charging Power	53 kW (30–80% in 21 mins)	71 kW (30–80% in 21 mins)
AC Charging Rate	6.6 kW (4.3 hours)	6.6 kW (5.9 hours)
Rear Suspension	Multi-Link Independent	Multi-Link Independent
Wheel Fitment	15-inch Wheels	16-inch Aerodynamic Alloys
Front Trunk (Frunk)	70 Litres (Pneumatic Rods)	70 Litres (Pneumatic Rods)
Tailgate Operation	Manual Lift	Smart Powered Tailgate
Instrument Cluster	8.8-inch LCD Display	8.8-inch LCD Display
Central Touchscreen	14.6-inch FHD (ATLAS OS)	14.6-inch FHD (ATLAS OS)
Bilingual Voice Command	Yes (English & Bahasa Melayu)	Yes (English & Bahasa Melayu)
Speakers	4 Speakers	6 Speakers
Airbags	6 Airbags (Standard)	6 Airbags (Standard)
Parking Camera	Reverse Camera	360° 3D Panoramic View
Active ADAS Suite	None	Level 2 Suite (ACC, AEB, LKA, BSM)
Kerb Weight	1,230 kg	1,305 kg

7. Comparative Segment Matrix: Affordable Compact EVs

Engineering Parameter	Proton e.MAS 5 Premium	BYD Dolphin (Dynamic Standard)	Neta V-II
Motor Layout / Drive	Rear-Wheel Drive (RWD)	Front-Wheel Drive (FWD)	Front-Wheel Drive (FWD)
Power Output	116 PS (85 kW)	95 PS (70 kW)	95 PS (70 kW)
Torque Output	150 Nm	180 Nm	150 Nm
Battery Type / Capacity	40.16 kWh CATL LFP	44.9 kWh BYD Blade LFP	36.1 kWh LFP
WLTP Driving Range	325 km	340 km	301 km (NEDC: 380 km)
Rear Suspension	Independent Multi-Link	Torsion Beam	Torsion Beam
Front Trunk (Frunk)	70 Litres	None (0 L)	None (0 L)
Central Touchscreen	14.6-inch 1080p FHD	12.8-inch Rotating Display	14.6-inch Display
Rear Luggage (Max)	1,320 Litres	1,310 Litres	1,150 Litres
Airbags	6 Airbags	6 Airbags	2 Airbags
Kerb Weight	1,305 kg	1,405 kg	1,151 kg