Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/80-15 | 300/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (637) | 33.9 (861) | 8.82 (224) 35.2% |
| Width inches (mm) | 6.3 (160) | 11.81 (300) | 5.51 (140) 87.5% |
| Circum. inches (mm) | 78.79 (2001.19) | 106.49 (2704.91) | 27.71 (703.72) 35.2% |
| Sidewall Height inches (mm) | 5.04 (128) | 9.45 (240) | 4.41 (112) 87.5% |
| Revolutions per mile (km) | 804.19 (499.7) | 594.97 (369.7) | -209.22 (-130) -26% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.03 mph (43.51 km/h) |
| 25 mph (40.23 km/h) | 33.79 mph (54.38 km/h) |
| 30 mph (48.28 km/h) | 40.55 mph (65.26 km/h) |
| 35 mph (56.33 km/h) | 47.31 mph (76.13 km/h) |
| 40 mph (64.37 km/h) | 54.07 mph (87.01 km/h) |
| 45 mph (72.42 km/h) | 60.82 mph (97.89 km/h) |
| 50 mph (80.47 km/h) | 67.58 mph (108.76 km/h) |
| 55 mph (88.51 km/h) | 74.34 mph (119.64 km/h) |
| 60 mph (96.56 km/h) | 81.1 mph (130.52 km/h) |
| 65 mph (104.61 km/h) | 87.86 mph (141.39 km/h) |
| 70 mph (112.65 km/h) | 94.62 mph (152.27 km/h) |
| 75 mph (120.7 km/h) | 101.37 mph (163.15 km/h) |
| 80 mph (128.75 km/h) | 108.13 mph (174.02 km/h) |
| 85 mph (136.79 km/h) | 114.89 mph (184.9 km/h) |
| 90 mph (144.84 km/h) | 121.65 mph (195.77 km/h) |
| 95 mph (152.89 km/h) | 128.41 mph (206.65 km/h) |
| 100 mph (160.93 km/h) | 135.16 mph (217.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1514 | 1759 | 1894 | 1978 | 2068 | 2133 | 2203 | 2287 | 2403 | 2519 | 2648 | 2751 | 2938 | 3144 | 3305 | 3408 | 3466 | 3679 | 3975 | 4620 |
Better Fuel Economy Factory Ratios Increased Power
