···
Log in / Register

Is It Normal for a Car's Four Tires to Have Different Production Dates?

4 Answers
EleanorFitz
09/01/25 3:04am

It is normal for a car's four tires to have different production dates, but the production year of all four tires should be the same, and the week numbers should not differ by more than one week. The method to check the tire production date is: 1. Locate a set of four numbers on the tire sidewall; 2. The first two digits represent the week of the year the tire was produced; 3. The last two digits represent the year of production. Tire maintenance methods include: 1. Regularly clean out stones stuck in the tire treads; 2. Minimize exposure to direct sunlight; 3. Regularly check tire pressure; 4. Pay attention to suspension maintenance; 5. Periodically inspect front wheel alignment; 6. Be mindful of driving habits—choose smooth road surfaces, avoid objects that could puncture or scratch the tires, and steer clear of chemical spills that may corrode the tires.

Was this review help?
7
3
Share
ColinAnn
09/13/25 5:57am

I've encountered this situation quite a few times. Honestly, it's quite normal for the four tires to have different production dates, especially for someone like me who loves driving. After frequent long-distance trips, uneven tire wear often requires replacing individual tires, so the new tire's date naturally won't match the old ones. As long as the tires share the same size, tread pattern, and specifications, the vehicle remains safe to drive, and the date discrepancy doesn't affect daily use. I recommend regularly checking tire pressure and wear levels because older tires with prolonged production dates can experience rubber degradation and cracking, increasing the risk of blowouts. Personally, I have my car's wheel alignment checked every six months to prevent high-speed vibrations—it saves money and gives peace of mind.

Was this review help?
14
1
Share
Expand All
JulietteMarie
10/27/25 6:44am

As someone who frequently works on cars, I think this is completely normal. Most of the time, it's caused by replacing only one or two damaged tires during maintenance, and the new tires will obviously have a more recent date. The tire date is mainly determined by that four-digit code. A difference of a few months or even a year or two is fine, but don't let the gap be too large, as differences exceeding five years can lead to aging and potential hazards. I recommend everyone check their tire condition monthly, visually inspecting for cracks or bulges, while also ensuring all four tires have consistent pressure. This will make driving safer and more fuel-efficient.

Was this review help?
16
1
Share
Expand All
Jasmine
12/10/25 7:00am

In my money-saving experience, it's quite normal for four tires to have different manufacturing dates, often seen when only replacing some aged or damaged tires, which can save a few hundred bucks. As long as the new tires match the model of the old ones and there's no deviation while driving, it's fine. But avoid buying overly cheap retreaded tires to reduce risks.

Was this review help?
7
4
Share
Expand All
More Forum Discussions

Is Car Window Tinting Necessary?

It can be applied or not, depending on personal preference. The advantages of car window tinting are introduced as follows: One-way visibility (privacy): Some car windows come with one-way visibility from the factory, but others do not, so some car owners use window tinting to achieve this feature. Anti-explosion function: It can enhance the anti-explosion performance of car windows, making them less likely to shatter. Even if the glass breaks, the fragments will adhere well to the window and not fly around, causing injury. Heat insulation and energy reduction: Although the scope of car window tinting is broad, in a narrow sense, it refers to car window film, also known as "car heat insulation film" or "car sun film." As the name suggests, heat insulation (blocking sunlight/heat) is the main purpose of car window tinting. UV protection: When passengers are in the car for long periods, the human body is basically in a static state, making it more susceptible to UV damage, which can cause skin diseases. Especially in summer, increased UV rays can not only burn the skin but also cause the car's interior, such as seats and dashboard panels, to fade or deform due to sun exposure.
18
5
Share

Where can I buy a water blocking airbag?

You can purchase it directly online. Here is an introduction to the function of the water blocking airbag: The water plug is a water blocking airbag, which mainly serves a protective function. Function 1: Some smaller water plug holes are processing channels during machining, and they are blocked with water plugs after the machining is completed. Function 2: Some larger water plug holes are designed to protect the engine block or cylinder head. If an engine filled with water in winter is forgotten to be drained, the water plug will expand first when the water freezes, thereby protecting the engine block or cylinder head to a certain extent. Working principle of the airbag water blocking: It uses a high-quality rubber airbag that is inflated to expand. When the gas pressure inside the airbag reaches the specified requirements, the airbag fills the entire pipe cross-section, and the friction between the airbag wall and the pipe blocks the water leakage, thereby achieving the purpose of no water seepage in the target pipe section.
8
1
Share

What is the top speed of CFMOTO 250SR in first gear?

The CFMOTO 250SR is equipped with the same 250cc single-cylinder engine as the NK250, which is considered one of the best in its class in China. The top speed in first gear does not exceed 50 km/h, while the maximum speed of the 250SR is around 140 km/h. Below are the detailed specifications of the CFMOTO 250SR: Vehicle Parameters: Length x Width x Height 2010×750×1080mm, Wheelbase 1360mm, Seat Height 780mm, Fuel Tank Capacity 12L, Curb Weight 165kg, Available Colors Starlight Black and Starlight White. Engine Parameters: Engine Type Single-cylinder, liquid-cooled, DOHC, Displacement 249cc, Bore x Stroke 72×61.2mm, Maximum Power 20.5kW/9750rpm, Maximum Torque 22Nm/7500rpm, Compression Ratio 11.3:1, Clutch Type Slipper Clutch, Clutch Operation Mechanical Cable, Throttle Type Mechanical Throttle, Power Modes Sport and Economy, Emission Standard China IV. Chassis: Handlebar Type Clip-on, Rear Swingarm Stamped Sheet Metal Monocoque, Wheel Type Aluminum Alloy, Front Tire 110/70R17, Rear Tire 140/60R17, Front Suspension Φ37 Inverted Hydraulic Damping Shock Absorber, Rear Suspension Monoshock, Front/Rear Suspension Travel 110/46mm, Front Brake Φ292mm Single Disc with Opposed Four-piston Caliper, Rear Brake Φ220mm Single Floating Disc with Single-piston Floating Caliper, ABS&CBS ABS. Other Features: Headlight LED, Taillight LED, Turn Signals LED, Instrument Panel TFT with Bluetooth Connectivity, T-BOX Standard.
3
2
Share

What is the handbrake called?

Handbrake is called auxiliary brake. The function of handbrake: After the vehicle is parked, tighten the handbrake to make the brake shoe stick to the brake drum or brake disc, so that the vehicle is in a braking state to prevent dangerous movement of the vehicle. However, when driving at high speed, the braking force of the handbrake is very small. If the owner pulls the handbrake at high speed, the rear wheels are easily locked and the cable will break. At this time, the vehicle will skid or even roll over. The professional name of handbrake: Auxiliary brake, which is different from the principle of the brake. It uses steel wire to connect to the rear brake shoe to brake the car. The handbrake is a system with a high usage rate. Reasonable and correct use can make future use smoother, especially for mechanical handbrakes with a large amount. It is best to use them according to the correct method.
17
0
Share

Should the Handbrake Be Pulled Up or Down When Driving?

When starting the car, the handbrake needs to be released, and when parking, the handbrake should be pulled up. The commonly referred to "releasing the handbrake" means lowering the handbrake. For small cars, the handbrake is sometimes located behind the transmission, connected to the driveshaft with a brake disc, similar to a disc brake. Then, through a steel cable, the pulling force is transmitted to achieve parking braking. Below is an introduction to the handbrake: The professional term for the handbrake is auxiliary brake. Its principle differs from that of the main brake, as it uses a steel cable connected to the rear brake shoes to brake the vehicle. Long-term use of the handbrake can cause the steel cable to undergo plastic deformation. Since this deformation is irreversible, prolonged use will reduce its effectiveness, and the handbrake's travel will increase. Handbrake principle: After pulling the handbrake, it utilizes a hydraulic auxiliary cylinder to push the main hydraulic cylinder beneath the car, which then drives the air valve. Once the air valve is activated, it brakes the driveshaft. The handbrake only brakes the driveshaft. After completing the braking of the driveshaft, in the case of ordinary trucks, the handbrake lever's steel cable is pulled to achieve long-term braking.
13
1
Share

At what speed can you shift to third gear?

When the vehicle speed reaches 20 km/h and the engine speed reaches around 2000 rpm, you can shift to third gear. Below is a detailed introduction about car gears: Speed range: First gear corresponds to 0-5 km/h. Second gear corresponds to 5-20 km/h, third gear corresponds to 20-40 km/h, fourth gear corresponds to 40-60 km/h, and fifth gear corresponds to 60-100 km/h. Gear shifting timing: For most cars, the ideal shifting time is when the engine speed is at 2000 rpm, and it should not exceed 2500 rpm. For some high-displacement and high-power engines, you can shift gears at around 3000 rpm.
5
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.