| Key Highlights | Ninja ZX-4R | GSX-8S |
|---|---|---|
| Price | ₹ 9.40 Lakh | ₹ 10.94 Lakh |
| Displacement | 399 cc | 776 cc |
| Power | 76.4 bhp @ 14500 rpm | 83.1 hp / 61.9 kw @ 8500 rpm |
| Mileage | 19.5 kmpl | 23.8 kmpl |
| Top Speed | 200 km/h | _ |
| Max Power Highest power the engine/motor can produce. | 76.4 bhp @ 14500 rpm | 83.1 hp / 61.9 kw @ 8500 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 39 Nm @ 13000 rpm | 78 Nm / 57.5 lb-ft @ 6800 rpm |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | 12.3:1 | 12.8:1 |
| Cooling System Method used to prevent engine overheating. | Liquid-Cooled | liquid-cooled |
| Engine Type Design and working of the two-wheeler's engine. | Liquid-cooled, 4-stroke, in-line four | 4-stroke, 2-cylinder, liquid-cooled, DOHC |
| Displacement Engine cylinder capacity measured in cc. | 399 | 776 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 57 mm | 84 mm |
| Keyless Ignition Start bike without a physical key. | Yes | N/A |
| No Of Cylinders | 4 | 2 |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | 292.5 Km | N/A |
| Stroke Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM. | 39.1 mm | 70 mm |
| Valve Per Cylinder Number of valves in each engine cylinder. | 4 | 1 |
| Top Speed | 200 Km/h | N/A |
| Tyre Size | Front : 120/70 - ZR17, Rear : 160/60 - ZR17 | Front : 120/70 - ZR17 , Rear : 180/55 - ZR17 |
| Wheel Size | Front : 431.8mm, Rear : 431.8mm | Front : 431.8 mm , Rear : 431.8 mm |
| Wheels Type | Alloy | N/A |
| Ignition The system that starts the engine, usually via a key, button, or smart start. | Digital | CDI |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1380 mm | 1465 mm |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Dual Channel ABS | Dual Channel |
| Front Brake | Dual Discs | Disc, twinav |
| Braking Type | 2-Channel ABS (Anti-Lock Braking System) | N/A |
| Front Brake Diameter | 290 mm | 310 mm |
| Rear Brake Diameter | 220 mm | 240 mm |
| Fuel Supply | Fuel Injection | Fuel Injection |
| Fuel Capacity | 15 L | 14 L |
| Fuel Reserve | 3 L | N/A |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Sports Bike | Sports |
| Frame The main structure holding the bike together. | Trellis, high-tensile steel | Steel |
| Dry Weight Bike’s weight without fuel and fluids. | N/A | 202 Kg |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 135 mm | 145 mm |
| Height | 1110 mm | 1105 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 189 Kg | 202 Kg |
| Length | 1990 mm | 2115 mm |
| Seat Height Distance from the ground to the seat. | 800 mm | 810 mm |
| Width | 765 mm | 775 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. | N/A | N/A |
| Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery. | Sports, Road, Rain, and Rider Modes | Mode A, Mode B and Mode C |
| Pass Switch A switch to flash the high beam, signaling other vehicles while overtaking. | Yes | N/A |
| Distance To Empty Indicator Estimates how far you can ride before the fuel runs out. | Yes | N/A |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | Yes | N/A |
| 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. | Wet Multi-Disc, Slipper & Assist | Wet multiplate with assist and slipper functions |
| Gear Box | 6 speed | 6-speed (1 Down 5 Up) |
| Transmission The entire system that transfers engine power to the wheels (includes clutch and gearbox). | chain Drive | Manual |
| Drls | Yes | N/A |
| Projector Headlights Projector headlights focus on the road, improving visibility, reducing glare for others, and offering a sharper, more efficient beam. | N/A | Yes |
| Suspension Front | 37mm Inverted SFF-BP Fork with Adjustable Preload and Top-out Springs | Inverted telescopic, coil spring, oil damped |
| Suspension Rear | Adjustable Monoshock, Horizontal Back-Link, Gas-Charged Shock with Spring Preload Adjustability | Link type, coil spring, oil damped |
| Seat Type The design of the seat that affects comfort and seating position. | Split | Inverted telescopic, coil spring, oil damped |
| Additional Features | Traction Control, Riding Mode (Sport, Road, Rain or Rider (Manual)) | N/A |
| Anti Theft Alarm Alerts if someone tries to steal or tamper with the bike. | Yes | N/A |
| Navigation A feature that provides turn-by-turn directions on the two-wheeler display or connected device. | Yes | N/A |
| Mobile Application A companion app to monitor bike stats, location, and settings. | Yes | N/A |