The 2.0 and 2.5L are known to not consume oil. More so than most other engines. I say that based on experience with 3 Mazdas since 2007. Our 07 3 with the 2.3L used no oil, 2014 3 with the 2.5L no oil loss and my 2015 2.0L no observable oil loss. It's very rare compared to other brands such as Honda. The performance characteristics of the Mazda 2.0 Skyactiv-G are quite specific. Although the engine is naturally aspirated, it can have a power of up to 165 horsepower. In addition, it has flat torque and offers good dynamics, especially at low speeds. When a car is driving on the highway, for example, the acceleration becomes slower. What to look for when buying a Mazda 6 2013 - 2022, covering common problems to check for and overall vehicle reliability. Aug 9, 2021. #1. Welp.. my wife's Mazda CX-9 2.5t with 74,xxx miles is having a heart transplant. Apparently the head gasket failed, and warped the head, and according to the technician started to warp the engine block. It never overheated just started smoking one day. I checked the oil, and it was down half a quart in 500 miles (completely 2.5 SkyActiv-G Engine Problems and Reliability. The new Mazda 2.5 liter SkyActiv engine doesn't have a long production history yet. In this short period, there are no meaningful issues and problems mentioned by car owners or the manufacturer. Mazda can not fix it, injectors etc all replaced with no improvement. Perhaps it's been addressed in the newer cars. My previous was a 2006 with the 2.3, except for rust problems it was a great car. My friend with the same car (2006 2.5) had constant problems, suspension rotting out, he now burns a litre every 500Km, not to mention the rust. But some engines/ECU's don't do any better on higher grades. This is correct. Not all engines run the compression a Skyactiv-G does either. In Mazda's case, another way to look at it is that the ECU detunes the car to utilize lower octane fuel as opposed to making more power with higher octane. A SkyActiv-G engine replaced EcoBoost in 2011. Read on to learn more about the 4-cylinder Mazda engines. Is the Mazda Turbo 2.5L 4 Cylinder Great? The turbocharged Mazda 4-cylinder engine is a top-performing engine featured in several Mazda cars. The CX-9 is an excellent example of a consistent vehicle from Mazda powered by this engine. Touring Sport Utility 4D. $26,115. $12,458. Grand Touring Sport Utility 4D. $29,120. $14,480. For reference, the 2016 MAZDA CX-5 originally had a starting sticker price of $24,095, with the range Soon I'll be buying my first Mazda 3 Sedan 2022 and I do not know if I should choose between the Skyactiv G 150hp 2.0 aspirated engine or the new Skyactiv X - 186 hp. Both mild hybrid. I would be using the car 90% in the city - where is usually heavy traffic/standstill and ocasionally open road. I know Skyactiv G is reliable, X is intriguing CQ8xk.