What does the 'T' on a car mean?

2 Answers
AaronAnn
07/29/25 12:49am
Cars with a 'T' at the rear indicate they are equipped with a turbocharged engine, while those without a 'T' use a naturally aspirated engine. The difference lies in the different air intake methods of the engines. Compared to a naturally aspirated engine of the same displacement, a 'T' engine is more powerful. Here are some related details: Turbocharging: A turbocharged engine essentially uses a turbocharger when necessary, which increases the air intake by utilizing the exhaust gases from the engine. With increased air intake, more fuel is injected to burn more fuel, thereby achieving stronger power. Maintenance costs: However, due to the higher production costs of the engine, vehicles equipped with turbo engines are slightly more expensive. Subsequent daily maintenance and repairs are also higher than those for naturally aspirated engines. Naturally aspirated engines have lower daily maintenance, upkeep, and repair costs.
Was this review help?
12
2
Share
Rosa
08/12/25 5:01am
I guess you're asking about the meaning of the 'T' in car models? As a driver with over 20 years of experience, I remember when I first bought a car with a 'T', the salesperson said it stands for turbocharging. Simply put, it's a small device added to the engine that uses exhaust gases to compress more air into the cylinders, resulting in smaller displacement but greater horsepower. My current SUV is a 1.5T, and I can clearly feel the extra power when I step on the gas—it accelerates quickly and is much more fuel-efficient on the highway. Back when I drove a naturally aspirated old car, it was sluggish going uphill, but now with a turbo, it's much easier and saves me money on gas. Turbocharging is pretty common these days, and it's almost standard on new cars, so you should check the specifications carefully when buying.
Was this review help?
5
4
Share
Expand All
More Forum Discussions

Do I still need to pull the handbrake after the auto hold turns off when the engine is off?

If you turn off the engine first and then unfasten the seat belt, you need to pull the handbrake button. If you unfasten the seat belt without turning off the engine, the auto hold button will automatically switch to handbrake mode, and you don't need to pull the handbrake again at this time. It is recommended to adopt the first mode. The following is a related introduction to auto hold: 1. Function: The English name of auto hold is AUTOHOLD. The function of auto hold is that the vehicle itself can automatically apply the brakes according to the actual situation without the driver's operation. 2. Working principle: The brake management system controls the braking of all four wheels through the extended function of the electronic parking brake (EPB). In other words, the auto hold system is an extended function of the electronic parking brake (EPB) and is controlled by the ESP component. When the vehicle is temporarily parked and needs to be restarted within a short period of time, the parking is completed by the brake controlled by ESP.
1
4
Share

How many meters is the straight-line driving?

For the straight-line driving in Subject 3, the distance is approximately 120 meters. Within the first 20 meters, align the vehicle properly and then hold the steering wheel steady without any movement. Below is relevant information about Subject 3: 1. Introduction to Subject 3: Subject 3 includes the road driving skills test and the safe and civilized driving knowledge test. It is part of the motor vehicle driver's license assessment and is the abbreviated name for the road driving skills and safe and civilized driving knowledge test in the motor vehicle driver's examination. The content of the road driving skills test varies for different types of vehicles eligible for driving. 2. Test content of Subject 3: The driving skills test includes preparation before driving, simulated lighting test, starting, straight-line driving, gear shifting operations, lane changing, parking by the roadside, driving straight through intersections, etc. The safe and civilized driving knowledge test covers requirements for safe and civilized driving operations, safe driving knowledge under adverse weather and complex road conditions, etc.
19
4
Share

What registration must a motor vehicle complete before it can be driven on the road?

A motor vehicle can be driven on the road only after it has been registered with the traffic management department of the public security authority. Documents required for motor vehicle registration: Motor Vehicle Registration Application Form (to be obtained and filled out), duplicate copy of compulsory traffic insurance, vehicle purchase invoice (registration copy), criminal investigation receipt, original ID card and its copy, original certificate of conformity, and for non-local residents, a mobile population information registration form, and the supplementary page of the purchase tax. License plates, commonly known as vehicle plates, refer to the plates hung on the front and rear of a vehicle. They are usually made of aluminum, sheet iron, plastic, or paper, and bear the vehicle's registration number, registration region, or other relevant information. License plates serve as a numbering and information registration system for vehicles, with the primary purpose of identifying the vehicle's region of registration and enabling the tracking of the vehicle's owner and registration details through the license plate.
12
2
Share

What to Do If the Sagitar Tire Pressure Light Cannot Be Reset?

Sagitar tire pressure sensor has no power or is damaged: Use professional equipment to remove the tire, take out the tire pressure sensor, and check its voltage with a multimeter. If there is power, the tire pressure sensor may be damaged. Incorrect method for resetting the Sagitar tire pressure light: Turn the key to the ACC position, turn on the central control screen, press the CAR button, find the tire settings, click the SET icon, and it will display whether the tire pressure of all four tires matches the required value. Click confirm to complete the reset. If the multimedia host is damaged or the touch screen malfunctions, it may prevent normal operation during reset: Replace the multimedia host. Tire pressure reset: Tire pressure reset is the operation of resetting the tire pressure monitoring system after the tire pressure fault has been resolved. Tire pressure reset method: First, turn on the ignition switch, press and hold the tire pressure monitoring reset button until you hear a "dong" sound, then release it. The tire pressure monitoring system will store the current normal tire pressure data, automatically clear the original data, and finally, the fault light on the dashboard will turn off, indicating the tire pressure reset is complete.
18
3
Share

When will I receive the notification after running a red light?

After running a red light, the violation notification SMS is usually received within 3 to 7 days, and at the latest within about 13 days. However, some cities now offer "instant electronic police capture alerts," where you can receive an SMS notification within 5-10 minutes of being captured. But this notification does not equate to a violation; it merely serves as a capture alert. The final determination of whether it constitutes a violation takes 3-7 days. If it is indeed a violation, you will receive another SMS notification. For violations captured by surveillance cameras, vehicle owners generally do not receive the violation SMS immediately. There is a delay, and the duration may vary. This is because after the electronic camera captures the violation, the relevant violation information needs to be transmitted through a dedicated channel to the traffic police management center, where it is compiled and then verified by relevant traffic police personnel. Once confirmed as a violation, the system automatically retrieves the vehicle owner's mobile phone number based on the license plate information and sends the violation details via SMS to the owner. After receiving the violation SMS, the vehicle owner must go to the traffic police department where the violation occurred to handle the matter within one month before the vehicle's annual inspection. Generally, if a vehicle owner suspects a violation, they can use 15 days as a benchmark. If no violation SMS is received within 15 days, it is likely that no violation was recorded. Traffic violation query methods: Traffic violation queries refer to checking motor vehicle violations of traffic management regulations through online platforms or query terminals. There are five methods for vehicle violation queries: traffic branch terminal queries, vehicle violation website queries, phone queries, mobile SMS queries, and mobile app queries. Website query: You can search for "vehicle violation query" and enter your vehicle information to check. Phone query: To query violations, you can call the local 114 (area code + 114) or 12580 for confirmation. Violations can only be processed at the traffic police department where the violation occurred or where the vehicle's license plate was issued. For on-the-spot violations, such as those directly caught by a traffic officer, they must be handled at the location of the violation. Mobile SMS query: Open your phone's SMS interface; enter "WZ [license plate number] [license plate color]" in the message content; enter "1062650001" as the recipient and click send. Mobile app query: Open the "Traffic Management 12123" app, select "violation query," and find and clear any unprocessed violations.
3
3
Share

What is an I4 in cars?

Automotive L4 can have three meanings: it can refer to an inline-four engine; or it can denote high-level autonomous driving, which can achieve full driving without any driver intervention but with certain limitations; or L4 can mean low-range four-wheel drive, where the vehicle uses part-time four-wheel drive with options for high-range and low-range four-wheel drive. Inline-Four Engine: Generally, L4, V6, and W12 refer to the cylinder layout of an engine, which is the most critical factor affecting engine performance. Common layouts include L-type (inline), V-type, VR-type, W-type, horizontally opposed, and rotary. "Inline" can be represented by L, followed by the number of cylinders, forming the engine code. Modern cars mainly feature L3, L4, L5, and L6 engines. L-type (inline) engines refer to inline engines, the most common cylinder layout, where all cylinders are arranged in a straight line. Depending on the number of cylinders, there are L3, L4, L5, and L6, representing three-, four-, five-, and six-cylinder engines, respectively. Since the cylinders are arranged in a straight line, the more cylinders there are, the longer the engine block becomes, so inline engines typically do not exceed six cylinders. Their advantages include compact size, ease of vehicle layout, excellent stability, low-speed torque characteristics, fuel efficiency, and low manufacturing costs. High-Level Autonomous Driving: In the "SAE Levels of Driving Automation" published by SAE (Society of Automotive Engineers), besides Level 4 autonomous driving, there are five other levels. Level 0 is manual driving, where, according to SAE's definition, the driver is fully responsible for all driving operations, including steering, braking, and throttle. The vehicle only executes commands, so this level is not considered autonomous driving. Level 2 is partial automation, where the vehicle can simultaneously automate acceleration, deceleration, and steering, meaning adaptive cruise control and lane-keeping systems can work together. Most car manufacturers have already achieved Level 2 autonomous driving technology. Level 3 is conditional automation, where the vehicle can automate acceleration, deceleration, and steering in specific environments without driver input or monitoring of the surroundings. However, the driver must remain attentive and ready to take over if the autonomous system encounters situations it cannot handle. The Audi A8 is the world's first production car capable of Level 3 autonomous driving on public roads. Level 5 is full automation, requiring no driver intervention whatsoever. It enables all-weather, all-terrain autonomous driving and can adapt to environmental and geographical changes, allowing the driver to focus on rest or other tasks. However, this level involves legal and high-tech breakthroughs and requires further development. Low-Range Four-Wheel Drive: The difference between high-range and low-range four-wheel drive lies in the change in the vehicle's gear ratio. Different terrains require different four-wheel-drive modes. Vehicles equipped with part-time four-wheel-drive systems can distribute power to all four wheels via a transfer case during driving. The driver can switch between 2H, 4H, and 4L using a four-wheel-drive lever or electronic buttons to enhance the vehicle's performance. Here, 2H refers to two-wheel drive, 4H to high-range four-wheel drive, and 4L to low-range four-wheel drive. Switching to high-range four-wheel drive allows the wheels to gain better traction. Compared to 4L, 4H has broader applications. If the vehicle is driving uphill, low-range four-wheel drive provides better traction due to the engine's higher torque, enabling it to overcome more obstacles. With increased engine torque, the vehicle performs more stably on rough terrain, meaning its off-road capability improves.
2
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.