2006 Smart Fortwo Tire Sizes

Select a box to get your vehicle's tire size.

2006 Smart Fortwo cdi Coupe & Cabriolet (Canada Only)

Front Tire Size (Show Details)
145/65R15 72T
145
This number indicates that your tire has a width of 145 millimeters.
65
This number indicates that your tire has an aspect ratio of 65%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 65% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
15
The tire size was designed to fit rims that are 15 inches in diameter.
72
This tire has a load index of 72, which means it's capable of carrying a load of 783 pounds (355 kg) or less. A higher number means the tire can carry more weight.  A lower number means the opposite.
T
This tire has a speed rating of T, which means 118 mph (190 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Rear Tire Size (Show Details)
175/55R15 77T
175
This number indicates that your tire has a width of 175 millimeters.
55
This number indicates that your tire has an aspect ratio of 55%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
15
The tire size was designed to fit rims that are 15 inches in diameter.
77
This tire has a load index of 77, which means it's capable of carrying a load of 908 pounds (412 kg) or less. A higher number means the tire can carry more weight.  A lower number means the opposite.
T
This tire has a speed rating of T, which means 118 mph (190 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.