What is the maximum speed a new car can reach?

1 Answers
ArianaMarie
07/29/25 11:18pm
The maximum speed of a new car can reach 120 kilometers per hour. Below is an introduction about vehicle speed: 1. Introduction: The distance a car travels in a unit of time is referred to as vehicle speed. Common units are kilometers per hour or meters per second. Vehicle speed is one of the three parameters describing traffic flow and holds significant importance in traffic flow theory research. 2. Function: Vehicle speed can also broadly refer to the speed of motor vehicles. To adapt to different purposes, vehicle speed is mainly categorized into spot speed, segment speed, and design speed. 3. Speed limits during special periods and adverse weather conditions: Passenger vehicles driving at night (from 10 PM to 5 AM the next day) must not exceed 80% of the daytime speed limit. Additionally, according to the "Road Traffic Safety Law" and its implementation regulations, when driving on ordinary roads under conditions of fog, rain, snow, dust, or hail with visibility less than 50 meters, or on icy, snowy, or muddy roads, the speed limit is 30 kilometers per hour.
Was this review help?
16
1
Share
More Forum Discussions

How much does tire pressure increase when driving on the highway?

Tire pressure increases by 0.4 to 0.6 bar when driving on the highway. The normal tire pressure temperature is between 2.2 and 2.4 bar, and tire pressure rises as the temperature increases. During high-speed driving, especially during emergency braking and rapid acceleration, tire temperature rises quickly. For every 10-degree increase in tire pressure temperature, the pressure increases by 0.1 bar. Therefore, maintaining tire pressure at the standard value helps avoid blowouts during high-speed driving and emergency braking. During long-distance driving, the tires generate heat from prolonged friction, and tire pressure increases in high-temperature environments. It is not advisable to lower tire pressure excessively to prevent blowouts, as excessively low tire pressure can also lead to blowouts. Low tire pressure increases the contact area between the tire and the ground, putting more pressure on the tire shoulders, which generates heat through internal friction, consumes the gas inside the tire, and damages its internal structure.
6
0
Share

Can You Start in Third Gear?

You cannot start in third gear. Here are some related introductions about starting a car: Precautions for starting: Get in the car, fasten the seat belt, and adjust the seat. Quickly press the clutch to the bottom and shift into first gear. Turn on the left turn signal, check the surroundings (both side mirrors), and release the handbrake. Quickly lift the clutch to the semi-engaged position, pause slightly, then slowly lift the clutch while gently pressing the accelerator to start the car smoothly. Driving precautions: Do not keep the clutch in a semi-engaged state for a long time. Some drivers are accustomed to keeping their left foot on the clutch while driving, thinking it provides better control over the vehicle. However, this practice causes significant damage to the clutch plate. Especially when driving at high speeds, prolonged semi-engaged state will wear out the clutch plate rapidly.
3
5
Share

How to Fix a Red-Hot Exhaust Pipe?

To address a red-hot exhaust pipe, it's necessary to identify the underlying cause and apply the appropriate solution. Below are specific explanations regarding a red-hot exhaust pipe: 1. Lean Air-Fuel Mixture: An excessively lean mixture results in slow combustion during the power stroke, causing combustion to continue into the exhaust stroke. The burning gases entering the exhaust pipe can cause it to turn red-hot. 2. Delayed Ignition Timing: Late ignition leads to the combustible mixture still burning when the exhaust valve is open. The burning gases rushing into the exhaust pipe through the exhaust valve continue to combust inside the pipe, heating it until it glows red. 3. Exhaust Valve Not Sealing Properly: If the exhaust valve doesn't close tightly, burning gases from the power stroke can leak through the improperly sealed valve into the exhaust pipe, heating it to a red-hot state. In severe cases, this can damage the valve.
6
1
Share

What are the abbreviations for vehicle license plates in Hubei Province?

Hubei Province vehicle license plate abbreviations are: 1. E-A Wuhan City, E-B Huangshi City, E-C Shiyan City; 2. E-D Jingzhou City, E-E Yichang City, E-F Xiangyang City; 3. E-G Ezhou City, E-H Jingmen City, E-K Xiaogan City; 4. E-J Huanggang City, E-L Xianning City, E-M Xiantao City; 5. E-N Qianjiang City, E-P Shennongjia Forestry District, E-Q Enshi Tujia and Miao Autonomous Prefecture; 6. E-R Tianmen City, E-S Suizhou City. Additional information: 1. The first character of a license plate is a Chinese character representing the province where the vehicle is registered. 2. The second character is an English letter representing the prefecture-level city code where the vehicle is registered.
15
2
Share

What hardness can the YS8 turning tool machine?

YS8 alloy turning tool YT15 (P10) has a hardness of ≥91, suitable for semi-finishing and finishing of continuous cutting of carbon steel and alloy steel. Here are some precautions regarding automobile driving: Cold Engine Warm-up: Proper warm-up helps form an "oil film" between engine components, thereby reducing engine wear. Timely Gear Shifting: When driving a manual transmission vehicle during the break-in period, shift gears promptly and appropriately to avoid incorrect behaviors such as high gear with low RPM or low gear with high RPM. Also, avoid using a single gear for an extended period. Regular Maintenance: Simply follow the manufacturer's recommendations in the vehicle manual. After reaching a certain mileage or time period, promptly inspect and maintain the vehicle, including changing the engine oil and oil filter, and conduct a comprehensive check of the chassis system. Avoid Emergency Braking: Emergency braking not only impacts the braking system during the break-in period but also increases the impact load on the vehicle's chassis and engine.
11
5
Share

What does the 'v' on tires mean?

The 'v' on tires represents the maximum speed capability of that tire, with a 'v' rating indicating 240 kilometers per hour. Although the tire can withstand speeds up to 240 km/h, there are many external factors that can affect tire safety. Tires are categorized by usage into types such as load-bearing tires, passenger vehicle tires, and mining tires. For example, in the specification 215/70r15, these numbers signify: 215 indicates the tire section width, with tire widths ranging between 145 to 285mm in 10mm increments; 70 is the aspect ratio, representing the ratio of the tire's sidewall height to its section width, where 70 stands for 70%, with tire aspect ratios ranging from 30% to 80%; 'r' denotes that the tire has a radial construction; and 15 is the rim diameter in inches.
9
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.