The Mickey Thompson Sportsman S/T in P255/60R15 is a radial street tire for classic muscle-car applications.
Specifications
- Tire size: P255/60R15
- Use: Street
- Rim diameter: 15 in
- Nominal section width: 255 mm
- Service description: 102T
- Approved rim-width range: 7.0–9.0 in
- Measuring rim width: 7.5 in
- Overall diameter: 27 in
- Manufacturer-listed section width: 10.2 in
- Tread depth: 10.5/32 in
- UTQG: 440 A B
Questions about P255/60R15
Is this Sportsman S/T a trailer tire?
No. The Sportsman S/T is Mickey Thompson’s muscle-car street tire. This P255/60R15 listing is a P-metric passenger-car radial; S/T is part of the model name.
What wheel width is approved for the P255/60R15 Sportsman S/T?
Mickey Thompson lists a 15-inch wheel diameter and an approved rim-width range of 7.0–9.0 inches. Its published dimensions use a 7.5-inch measuring rim.
Why does the size say 255 while the specification lists 10.2 inches?
255 is the nominal section width in millimetres within the size designation. The 10.2-inch figure is Mickey Thompson’s listed section width on its 7.5-inch measuring rim. Use the specified measurements when checking clearance.
Does the Sportsman S/T have raised white lettering?
Mickey Thompson describes the Sportsman S/T with raised white letters and a black-sidewall presentation. The model has a classic five-rib tread. Confirm the desired sidewall presentation before mounting.
Will this tire fit any vehicle with 15-inch wheels?
No. A 15-inch wheel diameter alone does not establish fit. Confirm the vehicle-approved tire size, wheel width, clearance and required load and speed ratings. This size is 102T and has a manufacturer-listed overall diameter of 27 inches.


