Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 125/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 22.87 (581) | -2.2 (-55.94) -8.8% |
| Width inches (mm) | 7.52 (191) | 4.92 (125) | -2.6 (-66) -34.6% |
| Circum. inches (mm) | 78.78 (2001.01) | 71.86 (1825.27) | -6.92 (-175.74) -8.8% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 3.94 (100) | -1.1 (-27.97) -21.9% |
| Revolutions per mile (km) | 804.27 (499.75) | 881.7 (547.86) | 77.44 (48.12) 9.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.24 mph (29.36 km/h) |
| 25 mph (40.23 km/h) | 22.8 mph (36.7 km/h) |
| 30 mph (48.28 km/h) | 27.37 mph (44.04 km/h) |
| 35 mph (56.33 km/h) | 31.93 mph (51.38 km/h) |
| 40 mph (64.37 km/h) | 36.49 mph (58.72 km/h) |
| 45 mph (72.42 km/h) | 41.05 mph (66.06 km/h) |
| 50 mph (80.47 km/h) | 45.61 mph (73.4 km/h) |
| 55 mph (88.51 km/h) | 50.17 mph (80.74 km/h) |
| 60 mph (96.56 km/h) | 54.73 mph (88.08 km/h) |
| 65 mph (104.61 km/h) | 59.29 mph (95.42 km/h) |
| 70 mph (112.65 km/h) | 63.85 mph (102.76 km/h) |
| 75 mph (120.7 km/h) | 68.41 mph (110.1 km/h) |
| 80 mph (128.75 km/h) | 72.97 mph (117.44 km/h) |
| 85 mph (136.79 km/h) | 77.53 mph (124.78 km/h) |
| 90 mph (144.84 km/h) | 82.1 mph (132.12 km/h) |
| 95 mph (152.89 km/h) | 86.66 mph (139.46 km/h) |
| 100 mph (160.93 km/h) | 91.22 mph (146.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2244 | 2607 | 2807 | 2931 | 3065 | 3160 | 3265 | 3390 | 3561 | 3733 | 3924 | 4077 | 4354 | 4659 | 4898 | 5051 | 5137 | 5452 | 5891 | 6846 |
Better Fuel Economy Factory Ratios Increased Power
