
Oshan Cosai is equipped with a 1.5-liter turbocharged engine and a 2.0-liter turbocharged engine. The 1.5-liter engine delivers 178 horsepower and a maximum torque of 265 Nm, while the 2.0-liter engine produces 233 horsepower and a maximum torque of 360 Nm. These engines are paired with a 6-speed manual transmission, a 6-speed automatic transmission, and an 8-speed automatic transmission. The Changan Oshan Cosai is a mid-to-large SUV available in four different seating layouts with 5, 6, or 7 seats. In terms of dimensions, it measures 4830mm in length, 1868mm in width, and 1775mm in height.

As a long-time enthusiast of domestic vehicles, I can share that the most commonly used engine in the Oshan Cosmos is the Changan self-developed Blue Whale series 1.5T turbocharged engine, with model numbers like JL473ZQ5. This engine has a displacement of approximately 1.5 liters, features direct fuel injection technology, and delivers a maximum power output of around 180 horsepower with a peak torque close to 300 Nm. It is designed with a focus on low-friction optimization, making it relatively fuel-efficient, with urban driving consumption of about 7-8 liters per 100 km. The power response is quite swift, especially during initial acceleration, as the turbo kicks in quickly, minimizing lag. Overall reliability is high, and it pairs well with a seven-speed dual-clutch transmission for smooth gear shifts. Other models in the Changan family also share similar engine platforms, making parts easy to find. However, some user feedback mentions noise issues when the engine is warm, though this doesn’t affect daily use. Overall, this engine stands out for its cost-performance ratio, making it particularly suitable for family SUV needs.

I've been driving this car to commute for several years, and I think the engine is really impressive, especially the 1.5T Blue Whale version. The power is sufficient for daily use, and it handles uphill climbs effortlessly with good fuel consumption control—less than 8 liters per 100 kilometers on long trips. The idle noise is low, and the ride is smooth with minimal vibration, thanks to the well-coordinated transmission. Compared to the older models, this generation's engine has an upgraded cooling system for faster heat dissipation. In owner groups, it's often mentioned that is straightforward, with basic oil changes being the main requirement, keeping costs low. The only minor drawback is a slightly slower cold start in winter. Overall, as a family car engine, it's practical and durable.

As a young driver, the 1.5T engine of the Kosai impressed me. With 180 horsepower, it's powerful and delivers strong acceleration, especially in sport mode, making overtaking agile. The turbocharged design minimizes power loss, ensuring smooth performance on highways. Fuel consumption is friendly, averaging just over 7 liters, making it economical for daily driving. Paired with an automatic transmission, the response is quick and handling is sharp. Even on occasional road trips, the engine remains stable and powerful. For young people choosing it, it offers great driving fun at an affordable price.

Experienced mechanics will tell you that the Kosai engine is typically the Blue Whale 1.5T. Its core structure is robust, rarely encountering major issues, and parts supply is sufficient. Common owner complaints mainly focus on improper initial break-in, so it's recommended to pay attention to regular oil and filter changes for new cars. Overall durability is strong, with stable fuel consumption at 7-8 liters. is straightforward, allowing owners to check basic coolant levels themselves. It's a reliable choice.

In the automotive industry, the Blue Whale 1.5T engine stands out as a technological highlight. The Kosai model equipped with it integrates innovations such as direct fuel injection and electronically controlled regulation, delivering efficient power output while maintaining environmental friendliness. Its market performance is outstanding, with fuel consumption as low as under 7 liters, showcasing strong competitiveness. Compared to imported brands, it excels in cost control and reliability. As a representative of domestic SUV engines, it has significant potential for future upgrades.


