Can New Cars Not Drive on Highways?

[ReedLynn]

New cars can drive on highways. Precautions for driving a new car on highways: The speed should not be too high, preferably not exceeding 100 kilometers per hour. The continuous driving time should also not be too long; it is best not to exceed two hours. Additionally, avoid maintaining a constant speed; occasionally vary the speed. Do not brake frequently, especially emergency braking. Precautions for new car maintenance: When performing the first maintenance on the car, be sure to bring the car's warranty certificate, which proves that the car has a quality guarantee. At the same time, the warranty certificate contains the car's first maintenance card. This first maintenance card will be collected by the 4S shop during the first maintenance and returned to the car manufacturer to prove that the car has undergone its first maintenance at the 4S shop, ensuring the car's quality guarantee.

[AthenaLynn]

I think new cars are perfectly fine for highway driving, but caution is needed during the break-in period. I remember when I first picked up my car, the technician at the 4S store emphasized that the pistons and cylinder walls in a new engine require at least 1,000 kilometers of break-in, just like a new car needs to gradually adapt to the road. Continuous high-speed driving on the highway with excessively high RPM can lead to increased friction, and over time, this may shorten the engine's lifespan and increase the risk of repairs. My personal approach was to stick to city or short-distance driving for the first few months, only occasionally taking the highway after the oil temperature stabilized, maintaining a steady speed of 80-100 km/h. Now, my car has been running for five or six years, and its performance is still excellent. I recommend referring to the manufacturer's manual and not rushing to speed.

[AnnieAnn]

Driving a new car on the highway is absolutely fine, and I personally do it often. The break-in period is just a recommendation, not a strict rule, but it's best not to ignore it. Manufacturers generally recommend driving gently for the first 1,500 kilometers, avoiding sudden acceleration or braking, so that engine components can break in better, reducing the chances of subsequent noises and oil burning. When driving at high speeds, strong winds and high engine temperatures can increase wear if the engine frequently runs at high RPMs, so I often remind myself to check tire pressure and fluid levels, especially during the new car phase. Once past the initial adaptation period, you can drive freely.

[DelEverett]

New car engines require a break-in period to perform optimally. Manufacturers recommend avoiding prolonged high-speed driving before the first service, as high RPMs can cause excessive internal component friction, affecting durability. After proper break-in, highway driving is perfectly safe. From personal experience, gentle driving helps prolong the vehicle's lifespan.

[OLawson]

From a safety perspective, it is feasible to take a new car on the highway, as there are no legal prohibitions. However, extra caution is required during the break-in period. Engine components such as bearings and gears are particularly fragile initially and prone to wear under high RPMs. I recommend checking the vehicle's condition—ensure tire pressure and brake fluid levels are normal, and avoid frequent overtaking. Drive at lower speeds for a few months to allow the engine to adapt before accelerating, which ensures both safety and cost savings.

[ArcherDella]

From an economic perspective, taking a new car on the highway is actually cost-effective. Driving at a constant speed is more fuel-efficient than stop-and-go traffic in the city, but you need to be gentle during the break-in period. Sudden acceleration increases fuel consumption and engine strain, so I maintained a speed of 60-90 km/h for the first 1,000 kilometers. After the break-in period, highway driving becomes smoother and maintenance costs are lower.