Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-14 | 135/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.89 (530.6) | 23.5 (597) | 2.61 (66.4) 12.5% |
| Width inches (mm) | 4.92 (125) | 5.31 (135) | 0.39 (10) 8% |
| Circum. inches (mm) | 65.63 (1666.93) | 73.84 (1875.53) | 8.21 (208.6) 12.5% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 4.25 (108) | 0.81 (20.5) 23.4% |
| Revolutions per mile (km) | 965.45 (599.9) | 858.07 (533.18) | -107.38 (-66.72) -11.1% |
135/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.5 mph (36.21 km/h) |
| 25 mph (40.23 km/h) | 28.13 mph (45.27 km/h) |
| 30 mph (48.28 km/h) | 33.75 mph (54.32 km/h) |
| 35 mph (56.33 km/h) | 39.38 mph (63.38 km/h) |
| 40 mph (64.37 km/h) | 45.01 mph (72.43 km/h) |
| 45 mph (72.42 km/h) | 50.63 mph (81.48 km/h) |
| 50 mph (80.47 km/h) | 56.26 mph (90.54 km/h) |
| 55 mph (88.51 km/h) | 61.88 mph (99.59 km/h) |
| 60 mph (96.56 km/h) | 67.51 mph (108.64 km/h) |
| 65 mph (104.61 km/h) | 73.13 mph (117.7 km/h) |
| 70 mph (112.65 km/h) | 78.76 mph (126.75 km/h) |
| 75 mph (120.7 km/h) | 84.39 mph (135.81 km/h) |
| 80 mph (128.75 km/h) | 90.01 mph (144.86 km/h) |
| 85 mph (136.79 km/h) | 95.64 mph (153.91 km/h) |
| 90 mph (144.84 km/h) | 101.26 mph (162.97 km/h) |
| 95 mph (152.89 km/h) | 106.89 mph (172.02 km/h) |
| 100 mph (160.93 km/h) | 112.51 mph (181.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2184 | 2537 | 2732 | 2853 | 2983 | 3076 | 3178 | 3299 | 3466 | 3633 | 3819 | 3968 | 4237 | 4535 | 4767 | 4915 | 4999 | 5306 | 5733 | 6662 |
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