2009 Smart Fortwo Tire Sizes

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

2009 Smart Fortwo BRABUS Coupe & Cabriolet

Front 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.

Rear Tire Size (Show Details)
215/35R17 79H
215
This number indicates that your tire has a width of 215 millimeters.
35
This number indicates that your tire has an aspect ratio of 35%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% 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
17
The tire size was designed to fit rims that are 17 inches in diameter.
79
This tire has a load index of 79, which means it's capable of carrying a load of 964 pounds (437 kg) or less. A higher number means the tire can carry more weight.  A lower number means the opposite.
H
This tire has a speed rating of H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

2009 Smart Fortwo Coupe & Cabriolet

Front Tire Size (Show Details)
155/60R15 74T
155
This number indicates that your tire has a width of 155 millimeters.
60
This number indicates that your tire has an aspect ratio of 60%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 60% 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.
74
This tire has a load index of 74, which means it's capable of carrying a load of 827 pounds (375 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.