Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-15 | 117/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.89 (556) | 21.45 (544.8) | -0.44 (-11.2) -2% |
| Width inches (mm) | 4.92 (125) | 4.61 (117) | -0.31 (-8) -6.4% |
| Circum. inches (mm) | 68.77 (1746.73) | 67.38 (1711.54) | -1.39 (-35.19) -2% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.22 (81.9) | -0.22 (-5.6) -6.4% |
| Revolutions per mile (km) | 921.35 (572.5) | 940.29 (584.27) | 18.94 (11.77) 2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.6 mph (31.54 km/h) |
| 25 mph (40.23 km/h) | 24.5 mph (39.42 km/h) |
| 30 mph (48.28 km/h) | 29.4 mph (47.31 km/h) |
| 35 mph (56.33 km/h) | 34.29 mph (55.19 km/h) |
| 40 mph (64.37 km/h) | 39.19 mph (63.08 km/h) |
| 45 mph (72.42 km/h) | 44.09 mph (70.96 km/h) |
| 50 mph (80.47 km/h) | 48.99 mph (78.85 km/h) |
| 55 mph (88.51 km/h) | 53.89 mph (86.73 km/h) |
| 60 mph (96.56 km/h) | 58.79 mph (94.62 km/h) |
| 65 mph (104.61 km/h) | 63.69 mph (102.5 km/h) |
| 70 mph (112.65 km/h) | 68.59 mph (110.39 km/h) |
| 75 mph (120.7 km/h) | 73.49 mph (118.27 km/h) |
| 80 mph (128.75 km/h) | 78.39 mph (126.15 km/h) |
| 85 mph (136.79 km/h) | 83.29 mph (134.04 km/h) |
| 90 mph (144.84 km/h) | 88.19 mph (141.92 km/h) |
| 95 mph (152.89 km/h) | 93.09 mph (149.81 km/h) |
| 100 mph (160.93 km/h) | 97.99 mph (157.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
