Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 175/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 26.02 (661) | 0.95 (24.06) 3.8% |
| Width inches (mm) | 7.52 (191) | 6.89 (175) | -0.63 (-16) -8.4% |
| Circum. inches (mm) | 78.78 (2001.01) | 81.76 (2076.59) | 2.98 (75.59) 3.8% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 5.51 (140) | 0.47 (12.03) 9.4% |
| Revolutions per mile (km) | 804.27 (499.75) | 774.99 (481.56) | -29.27 (-18.19) -3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.76 mph (33.4 km/h) |
| 25 mph (40.23 km/h) | 25.94 mph (41.75 km/h) |
| 30 mph (48.28 km/h) | 31.13 mph (50.1 km/h) |
| 35 mph (56.33 km/h) | 36.32 mph (58.45 km/h) |
| 40 mph (64.37 km/h) | 41.51 mph (66.81 km/h) |
| 45 mph (72.42 km/h) | 46.7 mph (75.16 km/h) |
| 50 mph (80.47 km/h) | 51.89 mph (83.51 km/h) |
| 55 mph (88.51 km/h) | 57.08 mph (91.86 km/h) |
| 60 mph (96.56 km/h) | 62.27 mph (100.21 km/h) |
| 65 mph (104.61 km/h) | 67.46 mph (108.56 km/h) |
| 70 mph (112.65 km/h) | 72.64 mph (116.91 km/h) |
| 75 mph (120.7 km/h) | 77.83 mph (125.26 km/h) |
| 80 mph (128.75 km/h) | 83.02 mph (133.61 km/h) |
| 85 mph (136.79 km/h) | 88.21 mph (141.96 km/h) |
| 90 mph (144.84 km/h) | 93.4 mph (150.31 km/h) |
| 95 mph (152.89 km/h) | 98.59 mph (158.66 km/h) |
| 100 mph (160.93 km/h) | 103.78 mph (167.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1972 | 2291 | 2467 | 2576 | 2694 | 2778 | 2870 | 2979 | 3130 | 3281 | 3449 | 3584 | 3827 | 4095 | 4305 | 4440 | 4515 | 4792 | 5178 | 6017 |
Better Fuel Economy Factory Ratios Increased Power
