Wheel tire size comparison driver#

Comparison only with approved tire sizeĪ suitable alternative tire size can only be reliably calculated if your existing tire also has a tire size that is permissible for your vehicle. The safest solution is to switch in the same rim diameter. This can be the case, for example, if from narrow tires in combination with a large rim diameter wide tires is changed with a small rim diameter.

It is also possible that the rolling circumference does not change significantly when changing to a different tire size. Our tire calculator takes this into account notwhich vehicle model you own. You can find out whether a different tire changes the ground clearance of your vehicle in the tuning blog tire calculator.Īttention: a comparison of brands and models

Wheel tire size comparison driver#

Most decisions, however, are based on the guideline values of the TÜV, which state that a lowered vehicle with a driver and a full tank is an obstacle 800 mm wide and 110 mm high should be able to run over in the middle. Since there are no legal requirements for minimum ground clearance, the decision is made at the end of the day tester. If the difference to the new wheel size is too great, it may be necessary to adjust the speedometer.Ĭhanging the tire size can also affect that ground clearance of the vehicle, which can become a safety and traffic risk. The speedometer must not exceed 10% +4 km / h show more than the really driven speed and no km / h Less. Conversely, the speedometer shows at smaller tires then a faster pace. So you should go for one bigger Change tires, the speedometer becomes one lower Show the speed when you are actually driving. Since the speedometer determines the speed of the vehicle via the wheel revolutions, a different wheel size can influence the speed display. If you mount a different tire size, that changes too Rolling circumference. There is also a practical, graphic representation. Values like Rolling circumference, tire diameter, speed deviations, any necessary amendments when ground clearance, Rim width or spacers you can easily calculate and find out which tires or rims work on your vehicle. The tuningblog tire calculator determines whether a speedometer adjustment is necessary with the desired tire. If there is a higher deviation, a Adjustment of the speedometer necessary, which is associated with additional workshop costs. The speedometer may show a maximum of 10% or +4 km / h more than the real speed driven and no km / h less. With the tuningblog tire calculator the difference between the new and old tires can be calculated and you receive important information that you should pay attention to when replacing rims and tires.

A too great a difference appears in the display field RED displayed. Therefore, our tire calculator should help to find the correct rims and tires. Be it the desire for individuality in tuning, the possibility of saving fuel through a lower rolling circumference or because you would like to continue using the old tires on the newly purchased car.īut be careful: If the rolling circumference changes by more than -2.5% or more than + 1,5%, there are usually no permission from the test center. There are many reasons for changing to a different tire size. Which tires I can and may drive on my vehicle? A question that numerous tuners ask themselves every day. Bentley the herding dog: special Bentayga shows special coat of paint for 'Goodwoof'!