2004 Saab 9-5 Owner's Manual - Page 241
2004 Saab 9-5 Manual
Page 241 highlights
Car care and technical information Aspect ratio: A two-digit number that indicates the tire height-to-width measurements. For example, if the tire size aspect ratio is "55", as shown in item "C" of the illustration, it would mean that the tire´s sidewall is 55% as high as it is wide. Belt Rating: A letter code is used to indicate the type of ply construction in the tire. The letter "R" means radial ply construction; the letter "D" means diagonal or bias ply construction; and the letter "B" means belted-bias ply construction. Rim Diameter: Diameter of the wheel in inches. Load range: The load range represents the load carry capacity a tire is certified to carry. Speed Rating: The maximum speed that a tire is certified to carry a load. Speed ratings range from "A" to "Z". 241 Tire markings An example of the meaning of the different markings in a tire size is given below for a tire size of: 215/55 R16 93 V 215 Tire section width, mm 55 Aspect ratio, i.e. the section height is 65 % of the section width R Radial ply 16 Wheel rim diameter 15 in at bead seats 93 Tire load code V Speed marking Tyre load index 91 max 1366 lbs (615 kg) 93 max 1433 lbs (650 kg) 94 max 1477 lbs (670 kg) Speed ratings up to 100 mph (180 km/h) up to 118 mph (190 km/h) up to 130 mph (210 km/h) up to 150 mph (240 km/h) up to 167 mph (270 km/h) up to 186 mph (300 km/h) TIN-code a Manufacturer´s Identification Mark b Tire Size c Tire Type Code d Date of Manufacture S T H V W Y