Browse

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What does the tire size 205/55R16-91W mean?

1 Answers

LondynLee

07/29/25 7:47pm

205 represents the tire's section width of 205 millimeters, 55 represents the aspect ratio, R stands for radial tire, 16 indicates the rim diameter of 16 inches; 91 is the load index of the tire; W represents the speed rating of the tire. Example of tire size specifications (taking 195/55R15 as an example): 195 is the section width, which is the area of the tire that can contact the ground, measured in millimeters; 55 is the aspect ratio, which is the ratio of the tire's section height to its section width. R is the construction mark, where R stands for radial tire, and bias-ply tires are denoted by the letter "B". Passenger car tires are generally radial tires. 15 is the inner diameter of the tire, also the diameter of the wheel rim, usually measured in inches. Tires also have speed rating letters, indicating the maximum speed at which the tire can carry a specified load under defined conditions. Letters from A to Z represent certified speed ratings from 4.8 km/h to 300 km/h. Common speed ratings include Q for 160 km/h, R for 170 km/h, S for 180 km/h, H for 210 km/h, V for 240 km/h, W for 270 km/h, etc. Precautions for replacing car tires: When selecting tires, the specifications should be the same as the previous tires and must match the other tire on the same axle, such as speed rating, load index, tread pattern, brand, size, etc., to ensure safe driving. The valve should also be replaced because after changing the tire, the aging cycles of the new tire and the old valve may differ. During the new tire's lifespan, the valve might develop issues that are not easily noticeable, so it's best to replace the valve when changing the tire. Installation direction and inflation: If using the original equipment tire, follow the manufacturer's installation instructions. For non-original tires, the side with the production date usually faces outward. For directional tires, align the arrow on the wheel with the direction of the car's forward movement. When inflating, you can fill the tire to its maximum allowed pressure and then reduce it to the manufacturer's specified standard pressure.

Was this review help?

3

0

Share

More Forum Discussions

What is the Scrapping Period for RVs?

The scrapping period for an RV depends on its size and passenger capacity. RVs classified as small non-commercial passenger vehicles have no scrapping period, while medium and large non-commercial passenger RVs have a scrapping period of 20 years. Self-propelled RVs with a length less than 6000mm and seating capacity of 9 or fewer, as well as trailer RVs with a length less than 6000mm and total weight under 4500kg, are classified as small passenger vehicles. Self-propelled RVs with a length of 6000mm or more or seating capacity exceeding 9, and trailer RVs with a length of 6000mm or more and total weight of 4500kg or more, are classified as medium and large passenger vehicles. Vehicle scrapping process: The vehicle owner must fill out and stamp an "Application Form for Vehicle Modification, Transfer, Alteration, Suspension, or Scrapping." Apply at the registration counter to receive a "Vehicle Scrapping Notice" for vehicles that have reached the scrapping period. For vehicles not yet at the scrapping period, the vehicle inspection counter will assess and issue a "Vehicle Scrapping Notice" if the vehicle meets scrapping standards. The owner selects a qualified recycling company to dismantle the vehicle, presenting the "Notice." The recycling company dismantles the vehicle and takes photos after verifying the "Notice." The engine must be separated from the vehicle, the engine block broken, and the chassis cut. The owner submits the "Modification Form," "XX Province Vehicle Technology Appraisal Form for Renewal," "Scrapped Vehicle Recycling Certificate," and dismantling photos to the vehicle inspection counter for verification and approval, completing the scrapping registration process.

Can Subject 2 and Subject 3 Driving Tests Be Scheduled Together?

Subject 2 and Subject 3 driving tests can be scheduled together. Below is a detailed introduction to China's laws and regulations regarding scheduling these tests: According to Article 36 of the "Regulations on the Application and Use of Motor Vehicle Driving Licenses" (Order No. 139) revised and issued by the Ministry of Public Security: 1. The vehicle management office shall arrange the tests according to the scheduled test venue and time. After passing Subject 1, the applicant can schedule the Subject 2 or Subject 3 road driving skills test. 2. In areas where conditions permit, the applicant can simultaneously schedule the Subject 2 and Subject 3 road driving skills tests and take them consecutively upon successful scheduling. 3. After passing both the Subject 2 and Subject 3 road driving skills tests, the applicant can take the Subject 3 safe and civilized driving knowledge test on the same day.

Where is the engine number located on the Bora?

The engine number of the Bora is located on the front side wall of the engine block, below the front windshield, near the wipers. There is a small horizontal strip, and the engine number is found below the barcode on this strip. The engine model is an identification code assigned by the engine manufacturer in accordance with relevant regulations, corporate or industry practices, and the attributes of the engine. It is used to represent information such as the manufacturer, specifications, performance, features, technology, purpose, and production batch of the engine, including fuel type, number of cylinders, displacement, and static brake power, among others. It is important to note that the engine number is not the same as the engine model. The engine model refers to the specifications and size of the engine within the manufacturer's lineup, and multiple engines can share the same model. The engine number, however, refers to the production serial number of the engine. Each engine has a unique number, and no two engines share the same engine number. Composition of the vehicle engine number: Front section: Includes the product series code, generation symbol, and regional or corporate code. Manufacturers may choose appropriate letters as needed, but these must be approved and filed with the industry standard regulatory body. Middle section: Consists of symbols representing the number of cylinders, cylinder arrangement, stroke, and cylinder diameter. Rear section: Comprises symbols indicating structural features and usage characteristics. End section: Differentiation symbol. When differentiation is required due to improvements or other reasons within the same product series, the manufacturer may choose an appropriate symbol. The rear and end sections can be separated by a hyphen (-).

Which Generation is the 2021 Camry?

The 2021 Camry is the eighth-generation model. The design of the eighth-generation Camry is notably more youthful and stylish. Here are the relevant details: 1. Vehicle Condition: The eighth-generation Camry is equipped with two types of engines: a 2.0-liter naturally aspirated engine and a 2.5-liter naturally aspirated engine. There is also a hybrid version of the eighth-generation Camry, which uses a 2.5-liter naturally aspirated engine as well. 2. Vehicle Configuration: This engine features hybrid injection technology and is paired with a CVT transmission. The 2.5-liter naturally aspirated engine delivers a maximum power of 154 kW and a maximum torque of 250 Nm. The engine reaches its maximum power at 6,600 rpm and its maximum torque at 5,000 rpm.

Is the Geely Vision X6 fuel consumption high?

Geely Vision X6 has moderate fuel consumption. The manual transmission model has a fuel consumption of 7.0 liters per 100 kilometers, while the automatic transmission model consumes 8.2 liters per 100 kilometers. Basic introduction to the Geely Vision X6: 1. Model introduction: The Geely Vision X6 is a compact SUV under the Geely brand, with a wheelbase of 2661 mm, and dimensions of 4546 mm in length, 1834 mm in width, and 1715 mm in height. 2. Engine introduction: The Geely Vision X6 is equipped with a 1.4-liter turbocharged engine. This 1.4-liter turbocharged engine delivers 141 horsepower and a maximum torque of 235 Nm. The engine reaches its maximum power at 5200 rpm and its maximum torque between 1600 to 4000 rpm. It features multi-point fuel injection technology and uses an aluminum cylinder head with a cast iron cylinder block.

How to Maintain Your Car in Winter?

Winter car maintenance methods are introduced as follows: 1. Wiper Blades and Windshield: Due to weather conditions, wiper blades often freeze to the windshield in winter. Do not force them off; instead, turn on the car's air conditioning, set it to blow air towards the windshield to raise its temperature. This also helps check if the heating system is functioning properly. Regularly clean the heating system to ensure good air quality inside the car. 2. Body and Chassis: The car's exterior inevitably gets damaged while driving, or even when parked. In winter, with rain and snow, the car's exterior is prone to corrosion. Roads are often salted to quickly melt snow, and the tires can splash saltwater onto the chassis, causing rust. Therefore, before winter arrives, thoroughly inspect the car's body, promptly repair any scratches, and apply wax in early winter to protect the paint. A waxed body is less likely to get damp, and ice formation on the car's surface will be significantly reduced. Also, perform rust-proof maintenance on the vehicle's chassis to extend its lifespan.

Trending Ranking

How to Check the Oil Dipstick on the Tayron?

What is the BMW G28?

What are the advantages of fuel cell vehicles?

What to Do When the Fuel Tank Cap Won't Close?

What is the tire pressure for a Mercedes-Benz C-Class?

What engine does the Cadillac XT4 use?

How to display the fuel consumption of Accord?

What are the methods for beginners to practice straight-line driving in Subject 3?

What are the differences between the Buick Encore and Encore GX?

What are the methods to distinguish between the 2018 and 2019 Verano models?

More Forum Discussions

How to Apply Throttle When Starting in First Gear?

What is Zotye?

Where to Add Water for Car Wipers?

Why is Toyota so incredibly durable?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.