What grade of fuel does the ATSL require?

[StAubree]

ATSL technical model manufacturer requires the use of 95 octane fuel. Below are the specific details of this vehicle: Dimensions: The Cadillac ATSL has a wheelbase of 2860 mm, with a length, width, and height of 4730 mm, 1824 mm, and 1426 mm respectively. The Cadillac ATSL is a four-door, five-seater sedan. Performance: The Cadillac ATSL is equipped with a 2.0-liter turbocharged four-cylinder engine. This engine has a maximum power output of 205 kW, with peak power achieved at 5500 rpm, and a maximum torque of 400 Nm, with peak torque available between 2900 to 4600 rpm. The engine features direct fuel injection technology and utilizes an aluminum alloy cylinder head and block.

[AidenDella]

I've been driving my ATS-L for over three years and always use 95-octane gasoline. The owner's manual clearly requires 95-octane or higher because its 2.0T engine has a high compression ratio - using lower octane fuel can easily cause knocking. Once I had to temporarily fill up with 92-octane at a remote gas station, and the engine noticeably shook with sluggish throttle response, making the driving experience very uncomfortable. It returned to normal only after I switched back to 95. Even with rising fuel prices, I haven't compromised since the potential savings aren't worth one engine repair. As a reminder, fuel quality varies greatly by region, so try to choose major brands like Sinopec for refueling.

[GabriellaMarie]

From an engineering perspective, the ATS-L requires 95-octane gasoline. Turbocharged engines operate with high cylinder temperatures and pressures, necessitating high-octane fuel to resist knocking. 92-octane fuel lacks sufficient anti-knock properties, causing the ECU to retard ignition timing to protect the engine, resulting in a 10%-15% power loss. Long-term use of lower-octane fuel can also lead to issues like spark plug carbon buildup, oxygen sensor failure, and even piston ring wear. I've seen several owners use 92-octane to save money, only to spend tens of thousands on engine overhauls after 2-3 years. For short-distance emergencies, you can mix half a tank of 92-octane, but remember to add fuel additives promptly and refill with 95-octane to clean the fuel system.

[DiLayla]

Let me tell you straight, the inside of the ATS-L fuel tank cap is clearly marked '95 octane or higher unleaded gasoline.' Don't believe those online claims that all turbocharged cars can use 92 octane - this car's engine warning light will come on in no time if you use 92. I learned this the hard way: during a road trip I mistakenly filled up with the wrong fuel, and the engine started chugging like it had asthma. It wasn't fixed until I had the fuel system cleaned at the dealership. The mechanic said an occasional mistake isn't catastrophic - just mix in 95 octane when you've burned through half a tank. But never make it a habit, or you might not even realize when the knock sensor gets damaged.