
The tire size for the 1.8 Classic Focus is 205/55R16. The first number, 205, indicates the tire width is 205MM. The 55 represents the aspect ratio of the tire section, which is 55%, meaning the section height is 55% of the width. The 16 denotes the rim diameter is 16 inches, and the middle letter "R" stands for radial tire. The 1.8 Classic Focus tires are from brands like Michelin and Goodyear, known for their durability. If you wish to replace the tires yourself, follow these steps: Retrieve the spare tire and jack, place the jack under the vehicle frame near the tire to be replaced, ensuring it contacts the metal part of the frame. Raise the jack until it supports the car, making sure the jack is positioned directly beneath the vehicle and perpendicular to the ground. Remove the hubcap and loosen the nuts counterclockwise. Do not fully remove them; just loosen enough to reduce resistance. Keeping the tire on the ground initially ensures the nuts turn rather than the tire. Continue turning the nuts counterclockwise until they are loose. Repeat for all lug nuts, then remove them completely. Place the new tire onto the wheel hub, carefully aligning the tire rim with the wheel bolts. Install the lug nuts and hand-tighten until all nuts are snug. The tire replacement is now complete. Besides the model, tires also display the following common data: Tire cord material: Indicated by Chinese pinyin, such as M for cotton cord, R for rayon cord, N for nylon cord, G for steel cord, and ZG for steel radial cord tires. Speed rating: Indicates the maximum speed the tire can sustain under specified conditions with a given load. Letters A to Z represent certified speed ratings from 4.8km/h to 300km/h. Common ratings include: Q: 160km/h; H: 210km/h; V: 240km/h; W: 270km/h; Y: 300km/h. Rim specification: Shows the rim size compatible with the tire for practical use, such as "Standard Rim 5.00F".

My classic Ford Focus 1.8 runs on 195/65 R15 tires, and I've never changed the model in five years of use. This specification with thick sidewalls is particularly suitable for daily commuting, providing much more comfort over speed bumps compared to those thin tires, and it also offers good grip in rainy conditions. Back then, the 4S store mentioned that higher trims would use 205/55 R16, but for regular household use, the 15-inch rims are sufficient and more economical, with each tire costing just over 400 yuan when replaced. A reminder when choosing tires: don't just look at the size; factors like the treadwear rating and load index are also important. Last time I changed tires, I opted for Michelin with an H speed rating, which keeps the car stable even at 120 km/h on the highway.

At the repair shop, Focus owners often come to change tires. The 1.8 classic model most commonly comes with 195/65 R15 tires from the factory. The 65 aspect ratio on the tire side provides good cushioning when driving over bumpy roads. If the rims haven't been modified, don't casually change the specifications, otherwise the odometer will be inaccurate. Last month, during a check-up for an owner, we found they were using 205-width tires, which resulted in heavier steering and increased fuel consumption. It's recommended to rotate the tires every 20,000 kilometers. For this size, when the tread depth is down to 3 millimeters, it's time to prepare for new tires.

Those who modify their Focus know that the stock 1.8 comes with 195-width tires, but in our club, eight out of ten owners have upgraded. I went straight for 18-inch wheels with 225/40 tires, and the cornering stability is like it's glued to the ground. The stock 15-inch tires are fuel-efficient but look too modest—just be careful not to rub the wheel arches when going for larger sizes. One club member forgot to adjust the tire pressure monitoring system after changing tires, and the warning light kept coming on. For a hassle-free option, 205/55 R16 is the most balanced—it's the same as the factory high-end spec.


