
The naturally aspirated engine models of the Vezel can use full synthetic oil with a viscosity of 20, while the turbocharged engine models should use full synthetic oil with a viscosity of 30. The functions of engine oil are: 1. To reduce friction and high temperatures; 2. To minimize gas leakage and prevent external pollutants; 3. To prevent contact between water, air, harmful acidic gases, and engine components; 4. To buffer the pressure rise in the engine cylinder ports; 5. To clean dirt generated on the working surfaces of components. The Vezel is a compact SUV with dimensions of 4328mm in length, 1772mm in width, and 1605mm in height, a wheelbase of 2610mm, a fuel tank capacity of 50 liters, and a curb weight of 1227kg.

I've been driving the Vezel for three years and I'm very particular about engine oil. The manual clearly states to use 0W-20 viscosity oil. In the south where winters aren't that cold, 5W-20 is also acceptable. Last month during maintenance, I used Shell Helix Ultra, a fully synthetic oil, and the engine noise noticeably reduced. Using oil with too high viscosity actually increases fuel consumption and harms the engine. The 4S shop mechanic said never to randomly switch to higher viscosity oil. Maintenance intervals depend on driving habits - I frequently drive on highways so I change it every 8,000 km, but if there's more city traffic with frequent stops, it's safer to change at 7,000 km. Always use genuine oil filters - don't skimp on a 20-yuan item.

Choosing the right oil viscosity is crucial. The Vezel's engine has high precision and requires low-viscosity 0W-20 oil. Once I mistakenly used 5W-30, and fuel consumption increased by 1 liter directly. The OEM oil offers stable quality but is relatively expensive. Now I've switched to Mobil 1 full synthetic, which offers the best cost-performance ratio among the three major brands. During summer when the AC puts extra load on the engine, it's best to choose energy-saving oil with ACEA C5 certification. During my last maintenance, I found the drain plug washer was deformed - this $0.2 part should be replaced every time, otherwise it may leak. Remember the fill quantity is about 3.5 liters; overfilling can damage the catalytic converter.

The Vezel manual specifies 0W-20 oil, which can protect the precision components of the Earth Dreams engine. Choose full synthetic oil with SN grade or above, brands like Idemitsu or ENEOS are good options. Northern owners should pay special attention in winter, as 0W-grade oil starts faster in -30°C environments. For aggressive driving, it's recommended to shorten the oil change interval; I change it every 6,000 kilometers. For oil filters, choose brands like Mann or Mahle, and never buy no-name brands. Many beginners don't know that overfilling the oil beyond the upper mark can actually increase engine resistance.

When selecting engine oil, pay attention to the API rating. The Vezel requires SP or SN grade full synthetic oil. Last time I tried Castrol Edge 0W-20, and the cold start was exceptionally smooth. For vehicles frequently used for short trips, pay special attention to oil emulsification issues, especially the hybrid version. I check the dipstick every three months. During , remember to ask the mechanic to completely drain the old oil, as mixing residual oil with new oil will reduce performance. If the engine has been modified, be cautious with energy-saving oils as they lack sufficient basic protection. When oil temperature exceeds 120°C, full synthetic oil is more than three times more resistant to degradation than mineral oil. This is definitely not an area to skimp on.

I've compared three types of 0W-20 engine oil: genuine oil has excellent cleaning performance but average longevity; Mobil 1 Extended Performance can last 20,000 km but is expensive; Shell's economy version is most suitable for daily commuting. The Honda Vezel 1.5L engine requires 3.3-3.7 liters of oil - keep half a liter as backup during refill and check the oil level after 500 km. Don't turn off the engine immediately after aggressive driving - let it idle for two minutes to allow oil to carry away turbo heat. Long-term use of inferior oil will clog the VTEC solenoid valve, and the repair cost could buy ten years' worth of good oil. Remember to change the air filter regularly - a dirty filter causes oil to degrade prematurely.


