Tire Size for 1999 Gmc Sierra

1999 Gmc Sierra Tire Sizes

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

1999 GMC Sierra C1500 4x2 Ext. Cab Long Box

Original Tire Size (Show Details)

P235/75R16 106S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
235	This number indicates that your tire has a width of 235 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
106	This tire has a load index of 106, which means it's capable of carrying a load of 2095 pounds (950 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

Alternate Tire Size (Show Details)

P255/70R16 109S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
255	This number indicates that your tire has a width of 255 millimeters.
70	This number indicates that your tire has an aspect ratio of 70%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
109	This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

1999 GMC Sierra C1500 4x2 Ext. Cab Short Box

Original Tire Size (Show Details)

P235/75R16 106S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
235	This number indicates that your tire has a width of 235 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
106	This tire has a load index of 106, which means it's capable of carrying a load of 2095 pounds (950 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

Alternate Tire Size (Show Details)

P255/70R16 109S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
255	This number indicates that your tire has a width of 255 millimeters.
70	This number indicates that your tire has an aspect ratio of 70%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
109	This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

1999 GMC Sierra C1500 4x2 Reg. Cab Long Box

Original Tire Size (Show Details)

P235/75R16 106S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
235	This number indicates that your tire has a width of 235 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
106	This tire has a load index of 106, which means it's capable of carrying a load of 2095 pounds (950 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

Alternate Tire Size (Show Details)

P255/70R16 109S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
255	This number indicates that your tire has a width of 255 millimeters.
70	This number indicates that your tire has an aspect ratio of 70%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
109	This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

1999 GMC Sierra C1500 4x2 Reg. Cab Short Box

Original Tire Size (Show Details)

P235/75R16 106S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
235	This number indicates that your tire has a width of 235 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
106	This tire has a load index of 106, which means it's capable of carrying a load of 2095 pounds (950 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

Alternate Tire Size (Show Details)

P255/70R16 109S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
255	This number indicates that your tire has a width of 255 millimeters.
70	This number indicates that your tire has an aspect ratio of 70%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
109	This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

1999 GMC Sierra K1500 4x4 Ext. Cab Long Box

Original Tire Size (Show Details)

P245/75R16 109S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
245	This number indicates that your tire has a width of 245 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
109	This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

Alternate Tire Size (Show Details)

P265/75R16 114S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
265	This number indicates that your tire has a width of 265 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
114	This tire has a load index of 114, which means it's capable of carrying a load of 2602 pounds (1180 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

1999 GMC Sierra K1500 4x4 Ext. Cab Short Box

Original Tire Size (Show Details)

P245/75R16 109S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
245	This number indicates that your tire has a width of 245 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
109	This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

Alternate Tire Size (Show Details)

P265/75R16 114S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
265	This number indicates that your tire has a width of 265 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
114	This tire has a load index of 114, which means it's capable of carrying a load of 2602 pounds (1180 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

1999 GMC Sierra K1500 4x4 Reg. Cab Long Box

Original Tire Size (Show Details)

P245/75R16 109S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
245	This number indicates that your tire has a width of 245 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
109	This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

Alternate Tire Size (Show Details)

P265/75R16 114S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
265	This number indicates that your tire has a width of 265 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
114	This tire has a load index of 114, which means it's capable of carrying a load of 2602 pounds (1180 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

1999 GMC Sierra K1500 4x4 Reg. Cab Short Box

Original Tire Size (Show Details)

P245/75R16 109S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
245	This number indicates that your tire has a width of 245 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
109	This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

Alternate Tire Size (Show Details)

P265/75R16 114S

P	This letter indicates the intended use of the tire. P = Passenger Car LT = Light Truck C = Commercial Vehicle
265	This number indicates that your tire has a width of 265 millimeters.
75	This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% 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
16	The tire size was designed to fit rims that are 16 inches in diameter.
114	This tire has a load index of 114, which means it's capable of carrying a load of 2602 pounds (1180 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
S	This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.