Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/80-15 | 170/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (637) | 24.37 (619) | -0.71 (-18) -2.8% |
| Width inches (mm) | 6.3 (160) | 6.69 (170) | 0.39 (10) 6.3% |
| Circum. inches (mm) | 78.79 (2001.19) | 76.56 (1944.65) | -2.23 (-56.55) -2.8% |
| Sidewall Height inches (mm) | 5.04 (128) | 4.69 (119) | -0.35 (-9) -7% |
| Revolutions per mile (km) | 804.19 (499.7) | 827.58 (514.23) | 23.39 (14.53) 2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.43 mph (31.28 km/h) |
| 25 mph (40.23 km/h) | 24.29 mph (39.1 km/h) |
| 30 mph (48.28 km/h) | 29.15 mph (46.92 km/h) |
| 35 mph (56.33 km/h) | 34.01 mph (54.74 km/h) |
| 40 mph (64.37 km/h) | 38.87 mph (62.55 km/h) |
| 45 mph (72.42 km/h) | 43.73 mph (70.37 km/h) |
| 50 mph (80.47 km/h) | 48.59 mph (78.19 km/h) |
| 55 mph (88.51 km/h) | 53.45 mph (86.01 km/h) |
| 60 mph (96.56 km/h) | 58.3 mph (93.83 km/h) |
| 65 mph (104.61 km/h) | 63.16 mph (101.65 km/h) |
| 70 mph (112.65 km/h) | 68.02 mph (109.47 km/h) |
| 75 mph (120.7 km/h) | 72.88 mph (117.29 km/h) |
| 80 mph (128.75 km/h) | 77.74 mph (125.11 km/h) |
| 85 mph (136.79 km/h) | 82.6 mph (132.93 km/h) |
| 90 mph (144.84 km/h) | 87.46 mph (140.75 km/h) |
| 95 mph (152.89 km/h) | 92.32 mph (148.57 km/h) |
| 100 mph (160.93 km/h) | 97.17 mph (156.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2106 | 2447 | 2635 | 2751 | 2877 | 2966 | 3065 | 3181 | 3343 | 3504 | 3683 | 3827 | 4087 | 4373 | 4597 | 4741 | 4821 | 5117 | 5529 | 6426 |
Better Fuel Economy Factory Ratios Increased Power
