How much does fuel consumption increase when switching from 225 to 245 wide tires?

1 Answers
SanAlex
07/30/25 12:11am
This increase in fuel consumption cannot be quantified as there are too many influencing factors. It can only be confirmed that switching from 225 to 245 tires will result in increased fuel consumption. Introduction to the differences between 225 and 245 tire widths: In terms of grip: The section width of 225 tires is smaller than that of 245 tires. The larger the contact area, the greater the friction. When used on drive wheels, 245 tires will feel more grippy than 225 tires. During rapid acceleration, 245 tires respond more agilely than 225 tires. Driving stability: 245 tires are more stable than 225 tires. The tread of 245 tires is wider, providing stronger lateral support compared to 225 tires, resulting in greater stability during cornering and lane changes.
Was this review help?
5
2
Share
More Forum Discussions

What is the working principle of the brake warning line?

The working principle of the brake pad warning line is that when the brake pads wear down to the preset "limit" after a certain period of use, the natural circuit is "broken" by the wear. This breakage is then detected by the ECU, which triggers the warning light. The brake pad warning alerts the car owner to replace the brake pads in a timely manner. Additional information: Brake warning line: The brake warning line is generally composed of a steel plate, a bonded heat insulation layer, and a friction block. The steel plate is coated to prevent rust, and the coating process is monitored using an SMT-4 furnace temperature tracker to ensure the quality of the temperature distribution during coating. The heat insulation layer is made of non-heat-conductive materials to provide thermal insulation. The friction block consists of friction materials and adhesives, which are pressed against the brake disc or drum during braking to generate friction, thereby achieving the purpose of decelerating and stopping the vehicle.
19
0
Share

Why is Volvo's first maintenance at 10,000 kilometers?

Different models have different maintenance cycles. Volvo's first maintenance is at 10,000 kilometers because European vehicle maintenance cycles are generally longer, not just 10,000 kilometers, but even up to 20,000 kilometers for the first maintenance. However, this is the ideal maintenance cycle. If the vehicle is frequently driven in harsh conditions, such as urban traffic congestion or short-distance driving, it is recommended to appropriately shorten the maintenance cycle, for example, performing maintenance every 7,500 kilometers would be more appropriate. Below is more information about the first car maintenance: 1. Maintenance content: The first car maintenance is divided into minor maintenance and major maintenance. Minor maintenance includes changing the engine oil and oil filter, while major maintenance includes engine oil, oil filter, air filter, and fuel filter. 2. Maintenance cycle: The first maintenance for a new car is generally limited to within 3 months or 5,000 kilometers, whichever comes first—either time or mileage.
19
1
Share

Can Vehicle Purchase Tax Be Paid on Saturdays and Sundays?

In most locations, vehicle purchase tax generally cannot be paid on weekends. It is usually only payable during normal working days from Monday to Friday, though a few places may allow payment on weekends. According to the "Interim Regulations of the People's Republic of China on Vehicle Purchase Tax," the tax rate is 10%. Typically, the taxable amount is calculated based on the vehicle's purchase invoice price (or the minimum taxable price determined by the State Taxation Administration), excluding value-added tax, and then taxed at a 10% rate. Passenger vehicles with an engine displacement of 1.6 liters or below are eligible for a reduced tax rate of 5%, whether they are domestically produced or imported. Passenger vehicles eligible for the tax reduction policy are those primarily designed and technically intended for transporting passengers and their personal belongings or temporary items, with no more than nine seats including the driver's seat. New energy vehicles that meet the criteria specified in the "Announcement on Exempting New Energy Vehicles from Vehicle Purchase Tax" issued by the Ministry of Finance, State Taxation Administration, and Ministry of Industry and Information Technology are exempt from vehicle purchase tax.
10
4
Share

How to Tell Which National Emission Standard a Car Meets?

Methods to check a car's national emission standard: 1. Look directly at the front windshield, where the vehicle's environmental protection label is usually clearly marked; 2. Visit the official website for motor vehicle exhaust pollution supervision (Motor Vehicle Environmental Protection Network) to query the information; 3. Check the documents provided by the dealer at the time of purchase, typically starting from the vehicle conformity page or the first page of the vehicle certificate; 4. Bring the vehicle registration form or a copy to the local vehicle management office for inquiry; 5. Make a rough estimation based on the year the car was registered. For example, China VI (National 6) standard refers to the sixth stage of national pollutant emission standards. Compared to China V, China VI imposes stricter control on pollutant emission limits. Under conditions excluding driving cycles and test influences, carbon monoxide emissions from gasoline vehicles are reduced by 50%, total hydrocarbon and non-methane hydrocarbon emission limits are lowered by 50%, and nitrogen oxide emission limits are tightened by 42%.
9
3
Share

What is the trunk capacity of the BYD Han?

The trunk depth of the BYD Han is 1000mm, the width ranges from 920mm to 1260mm, and the height is 470mm. Below is relevant information about the BYD Han: 1. Exterior: Dimensions are 4980×1910×1495mm with a wheelbase of 2920mm. The front face features a closed design approach, presenting a clean and elegant appearance. The design elements transform the dragon mouth into a flat design, complemented by horizontal lines for enhanced aesthetics. 2. Powertrain: The BYD Han is equipped with BYD's self-developed lithium iron phosphate blade battery, offering two range versions: the Super Long Range version and the Four-Wheel Drive High-Performance version. The Super Long Range version is powered by a permanent magnet synchronous single motor delivering a maximum power of 163kW and a maximum torque of 330N·m, with a maximum range of 605km.
4
2
Share

How many liters of transmission oil does the Magotan B8 require?

The transmission oil for the Magotan typically needs to be replaced every 40,000 kilometers or two years. Approximately 7 liters are required for a gravity oil change, while around 12 liters are needed for a circulation oil change. Function of the transmission: As the gears operate at high speeds during driving, friction generates heat. Transmission oil is necessary to lubricate and reduce temperature, ensuring the vehicle operates normally. It also helps minimize oil loss under demanding operating conditions. There are two methods for changing transmission oil: One is the traditional gravity method, which involves draining the oil by loosening the transmission's drain plug, similar to changing engine oil, and then refilling with new oil. The other method uses a circulation machine to change automatic transmission oil, primarily utilizing the machine's pressure to dynamically replace the oil in the torque converter's lubrication and cooling lines.
17
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.