Should the Q5 use 95 or 92 octane gasoline?
2 Answers
The Q5 should use 95 octane gasoline. Gasoline is a volatile and flammable hydrocarbon mixture liquid obtained through distillation or cracking of petroleum, used as fuel. It appears as a transparent liquid, primarily composed of aliphatic hydrocarbons, naphthenic hydrocarbons, and a certain amount of aromatic hydrocarbons. Gasoline has a high octane rating and is classified into 89, 90, 92, 93, 95, 97, and 98 octane based on the octane number. Taking the 2020 Audi Q5 as an example, it is a mid-size SUV with body dimensions of 4753mm in length, 1893mm in width, and 1659mm in height, a wheelbase of 2908mm, a fuel tank capacity of 73 liters, a trunk capacity of 550 liters, and a curb weight of 1855kg. The 2020 Audi Q5 features a five-link independent suspension both front and rear, equipped with a 2.0T turbocharged engine that delivers a maximum horsepower of 190PS, a maximum power of 140kW, and a maximum torque of 320Nm, paired with a 7-speed dual-clutch transmission.
Let me tell you, as a long-time Audi Q5 owner, I've always used 95-octane gasoline for a simple reason: this is a premium brand vehicle with a high engine compression ratio that requires higher-octane fuel to prevent knocking. Knocking occurs when gasoline ignites prematurely, causing engine pinging that damages internal components and potentially shortens engine lifespan. While 92-octane is cheaper, its lower octane rating makes it unsuitable for the Q5 - the manual explicitly recommends 95-octane as minimum. Prolonged use of 92-octane leads to sluggish acceleration, potentially increased fuel consumption, and ultimately higher repair costs. From personal experience, sticking to 95-octane results in noticeably smoother engine operation and greater peace of mind during long drives. Always check the fuel cap label before refueling to confirm requirements - saving small amounts now could cost big later.
