Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/80-15 | 197/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (637) | 25.86 (656.8) | 0.78 (19.8) 3.1% |
| Width inches (mm) | 6.3 (160) | 7.76 (197) | 1.46 (37) 23.1% |
| Circum. inches (mm) | 78.79 (2001.19) | 81.24 (2063.4) | 2.45 (62.2) 3.1% |
| Sidewall Height inches (mm) | 5.04 (128) | 5.43 (137.9) | 0.39 (9.9) 7.7% |
| Revolutions per mile (km) | 804.19 (499.7) | 779.95 (484.64) | -24.24 (-15.06) -3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.62 mph (33.19 km/h) |
| 25 mph (40.23 km/h) | 25.78 mph (41.48 km/h) |
| 30 mph (48.28 km/h) | 30.93 mph (49.78 km/h) |
| 35 mph (56.33 km/h) | 36.09 mph (58.08 km/h) |
| 40 mph (64.37 km/h) | 41.24 mph (66.37 km/h) |
| 45 mph (72.42 km/h) | 46.4 mph (74.67 km/h) |
| 50 mph (80.47 km/h) | 51.55 mph (82.97 km/h) |
| 55 mph (88.51 km/h) | 56.71 mph (91.27 km/h) |
| 60 mph (96.56 km/h) | 61.86 mph (99.56 km/h) |
| 65 mph (104.61 km/h) | 67.02 mph (107.86 km/h) |
| 70 mph (112.65 km/h) | 72.18 mph (116.16 km/h) |
| 75 mph (120.7 km/h) | 77.33 mph (124.45 km/h) |
| 80 mph (128.75 km/h) | 82.49 mph (132.75 km/h) |
| 85 mph (136.79 km/h) | 87.64 mph (141.05 km/h) |
| 90 mph (144.84 km/h) | 92.8 mph (149.34 km/h) |
| 95 mph (152.89 km/h) | 97.95 mph (157.64 km/h) |
| 100 mph (160.93 km/h) | 103.11 mph (165.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | 2306 | 2483 | 2593 | 2711 | 2796 | 2889 | 2998 | 3150 | 3302 | 3471 | 3606 | 3851 | 4122 | 4333 | 4468 | 4544 | 4823 | 5211 | 6056 |
Better Fuel Economy Factory Ratios Increased Power
