| Key Highlights | X440 | RC 390 |
|---|---|---|
| Price | ₹ 2.35 Lakh | ₹ 3.23 Lakh |
| Displacement | 440 cc | 373 cc |
| Power | 27 bhp @ 6,000 rpm | 32 kW @ 9,000 rpm |
| Mileage | 35 kmpl | 29 kmpl |
| Top Speed | 135 km/h | 160 km/h |
| Max Power Highest power the engine/motor can produce. | 27 bhp @ 6,000 rpm | 32 kW @ 9,000 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 38 Nm @ 4,000 rpm | 37 Nm @ 7000 rpm |
| Battery Type | N/A | MF battery |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | 9.5:1 | 12.88:1 |
| Cooling System Method used to prevent engine overheating. | Air/Oil Cooled | Liquid cooling. Curved radiator with fans for better heat management |
| Emission Type Pollution level compliance of the engine. | BS6 Phase 2 | BS6 |
| Engine Type Design and working of the two-wheeler's engine. | 440cc Single Cylinder Air-Oil Cooled Engine | Single Cylinder, Liquid Cooled, DOHC, FI Engine |
| Displacement Engine cylinder capacity measured in cc. | 440 | 373 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 79 mm | 89 mm |
| Engine Oil | 2 L | N/A |
| Peak Power Highest power a bike/scooter can produce. | N/A | 43 W |
| Quick Shifter A feature that allows gear shifting without clutch. | N/A | Yes |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | 472 Km | 397 Km |
| Stroke Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM. | 88 mm | 60 mm |
| Valve Per Cylinder Number of valves in each engine cylinder. | 2 | 4 |
| Top Speed | 135 Km/h | 160 Km/h |
| Tyre Size | Front : 100/90 - 18, Rear : 140/70 - 17 | Front : 110/70-17, Rear : 150/60-17 |
| Wheel Size | Front : 457.2mm, Rear : 431.8mm | Front : 431.8 mm, Rear : 431.8 mm |
| Tubeless Tyre A tyre without an inner tube, reducing puncture risks and maintaining air longer. | Tubed | Tubeless |
| Ignition The system that starts the engine, usually via a key, button, or smart start. | CDI | N/A |
| Tyre Brand | N/A | N/A |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1418 mm | 1343 mm |
| Radial Tyre A tyre with strong sidewalls and better grip, durability, and heat resistance. | N/A | Yes |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Dual Channel ABS | Dual Channel |
| Rear Brake Diameter | 240 mm | 230 mm |
| Fuel Supply | Fuel Injection | Bosch Electronic Fuel Injection (EFI) |
| Fuel Capacity | 13 L | 13.7 L |
| Fuel Reserve | 2 L | 1 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Cruiser | Sports |
| Frame The main structure holding the bike together. | Trellis Frame | Split-Trellis frame (Tubular) |
| Adjustable Windshield A windshield that can be raised, lowered or tilted left/right to improve wind protection and rider comfort. | N/A | Yes |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 170 mm | 153 mm |
| Height | N/A | 830 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 190 Kg | 172 Kg |
| Length | 2168 mm | 2145 mm |
| Saddle Height Distance from the ground to the seat. | N/A | 835 mm |
| Seat Height Distance from the ground to the seat. | 805 mm | 824 mm |
| Width | N/A | 760 mm |
| Mobile Connectivity A feature to connect your phone to the two-wheeler's system. | Yes | N/A |
| Bluetooth Connectivity Wireless connection for calls, music, and navigation. | Yes | N/A |
| Usb Charging Port A USB slot to charge devices like phones. | Yes | N/A |
| Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery. | No | Yes |
| Starting The method to start the bike (e.g., electric start, kick start, or both). | Electric Start | Self Start Only |
| Engine Kill Switch A button to instantly turn off the engine for safety and convenience. | Yes | N/A |
| Traction Control A system that prevents wheel slip by adjusting power during acceleration on slippery surfaces. | N/A | Yes |
| Display A screen that shows important riding information like speed, fuel, and trip details. | Digital | Yes |
| Instrument Console The main dashboard displaying speed, fuel, engine stats, and warnings. | Digital | TFT |
| Techometer | Digital | N/A |
| Average Fuel Economy Indicator Displays the bike’s average fuel consumption over a period of riding. | N/A | Yes |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | N/A | Yes |
| Service Due Indicator Reminds when the next bike servicing or maintenance is needed. | Yes | N/A |
| Clutch A device that connects and disconnects the engine from the wheels for smooth gear shifts. | N/A | PASC™ antihopping clutch, mechanically operated |
| Projector Headlights Projector headlights focus on the road, improving visibility, reducing glare for others, and offering a sharper, more efficient beam. | N/A | Yes |
| Pilot Lamps Small front lights that stay on with the headlight. | N/A | Yes |
| Battery Capacity Total energy the battery can store. | N/A | 12 V, 8 AH |
| Battery Warranty Warranty period for the battery. | N/A | 2 Years |
| Suspension Front | KYB Upside-down Forks 43mm | WP APEX USD forks, 43 mm diameter |
| Suspension Rear | Twinshock Absorbers, 7 Step Preload adjustable | WP APEX Monoshock, 10 step adjustable |
| Seat Type The design of the seat that affects comfort and seating position. | Split | Single |
| Stepup Seat | N/A | Yes |
| Music Control A feature that lets you play, pause, or change music via the two-wheeler's console or connected device. | Via Bluetooth | N/A |
| Navigation A feature that provides turn-by-turn directions on the two-wheeler display or connected device. | Yes | N/A |