| Key Highlights | Z400 | RC 390 |
|---|---|---|
| Price | ₹ 4.38 Lakh | ₹ 3.23 Lakh |
| Displacement | 399 cc | 373 cc |
| Power | _ | 32 kW @ 9,000 rpm |
| Mileage | 26 kmpl | 29 kmpl |
| Top Speed | 170 km/h | 160 km/h |
| Max Power Highest power the engine/motor can produce. | N/A | 32 kW @ 9,000 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 38 Nm @ 8000 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. | 11.5:1 | 12.88:1 |
| Cooling System Method used to prevent engine overheating. | Liquid Cooled | Liquid cooling. Curved radiator with fans for better heat management |
| Emission Type Pollution level compliance of the engine. | BS4 | BS6 |
| Engine Type Design and working of the two-wheeler's engine. | Liquid Cooled, Parallel-Twin Cylinder, DOHC | Single Cylinder, Liquid Cooled, DOHC, FI Engine |
| Displacement Engine cylinder capacity measured in cc. | 399 | 373 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 70 mm | 89 mm |
| No Of Cylinders | 2 | 1 |
| 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. | N/A | 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. | 51 mm | 60 mm |
| Top Speed | 170 Km/h | 160 Km/h |
| Ignition The system that starts the engine, usually via a key, button, or smart start. | TCBI with digital advance | 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. | 1370 mm | 1343 mm |
| Front Brake Diameter | N/A | 320 mm |
| Rear Brake Diameter | N/A | 230 mm |
| Fuel Supply | Fuel Injection | Bosch Electronic Fuel Injection (EFI) |
| Fuel Type | N/A | Petrol |
| Fuel Capacity | 14 L | 13.7 L |
| Fuel Reserve | N/A | 1 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Sports Naked Bike | Sports |
| Frame The main structure holding the bike together. | Trellis, High-Tensile Steel | 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. | 145 mm | 153 mm |
| Height | 1054 mm | 830 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 168 Kg | 172 Kg |
| Length | 1984 mm | 2145 mm |
| Passenger Backrest A support accessory for the passenger’s back. | N/A | N/A |
| Saddle Height Distance from the ground to the seat. | N/A | 835 mm |
| Seat Height Distance from the ground to the seat. | 785 mm | 824 mm |
| Width | 800 mm | 760 mm |
| Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery. | N/A | Yes |
| Starting The method to start the bike (e.g., electric start, kick start, or both). | Self Start | Self Start Only |
| 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. | N/A | Yes |
| Fuel Gauge Indicates the current fuel level in the tank. | Digital | Yes |
| Instrument Console The main dashboard displaying speed, fuel, engine stats, and warnings. | Analogue and Digital | TFT |
| Techometer | Analogue | N/A |
| Average Fuel Economy Indicator Displays the bike’s average fuel consumption over a period of riding. | N/A | Yes |
| Distance To Empty Indicator Estimates how far you can ride before the fuel runs out. | N/A | Yes |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | N/A | Yes |
| Low Oil Indicator Alerts when engine oil is low, preventing damage and ensuring smooth performance. | N/A | Yes |
| Clutch A device that connects and disconnects the engine from the wheels for smooth gear shifts. | Assist and Slipper Clutch | PASC™ antihopping clutch, mechanically operated |
| Drls | N/A | Yes |
| Pilot Lamps Small front lights that stay on with the headlight. | N/A | Yes |
| Low Fuel Indicator A warning light when fuel is low. | 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 | Telescopic Fork | WP APEX USD forks, 43 mm diameter |
| Suspension Rear | Uni-Trak Swingarm | WP APEX Monoshock, 10 step adjustable |
| Seat Type The design of the seat that affects comfort and seating position. | Split | Single |
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