Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-15 | 235/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.87 (581) | 26.1 (663) | 3.23 (82) 14.1% |
| Width inches (mm) | 4.92 (125) | 9.25 (235) | 4.33 (110) 88% |
| Circum. inches (mm) | 71.86 (1825.27) | 82 (2082.88) | 10.14 (257.61) 14.1% |
| Sidewall Height inches (mm) | 3.94 (100) | 5.55 (141) | 1.61 (41) 41% |
| Revolutions per mile (km) | 881.7 (547.86) | 772.65 (480.1) | -109.05 (-67.76) -12.4% |
235/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.82 mph (36.73 km/h) |
| 25 mph (40.23 km/h) | 28.53 mph (45.91 km/h) |
| 30 mph (48.28 km/h) | 34.23 mph (55.09 km/h) |
| 35 mph (56.33 km/h) | 39.94 mph (64.28 km/h) |
| 40 mph (64.37 km/h) | 45.65 mph (73.46 km/h) |
| 45 mph (72.42 km/h) | 51.35 mph (82.64 km/h) |
| 50 mph (80.47 km/h) | 57.06 mph (91.82 km/h) |
| 55 mph (88.51 km/h) | 62.76 mph (101.01 km/h) |
| 60 mph (96.56 km/h) | 68.47 mph (110.19 km/h) |
| 65 mph (104.61 km/h) | 74.17 mph (119.37 km/h) |
| 70 mph (112.65 km/h) | 79.88 mph (128.55 km/h) |
| 75 mph (120.7 km/h) | 85.59 mph (137.74 km/h) |
| 80 mph (128.75 km/h) | 91.29 mph (146.92 km/h) |
| 85 mph (136.79 km/h) | 97 mph (156.1 km/h) |
| 90 mph (144.84 km/h) | 102.7 mph (165.28 km/h) |
| 95 mph (152.89 km/h) | 108.41 mph (174.47 km/h) |
| 100 mph (160.93 km/h) | 114.11 mph (183.65 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1966 | 2284 | 2460 | 2569 | 2686 | 2769 | 2862 | 2970 | 3121 | 3272 | 3439 | 3573 | 3815 | 4083 | 4292 | 4426 | 4501 | 4778 | 5162 | 5999 |
Better Fuel Economy Factory Ratios Increased Power
