Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/60-15 | 300/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.35 (771) | 30.17 (766.4) | -0.18 (-4.6) -0.6% |
| Width inches (mm) | 12.8 (325) | 11.81 (300) | -0.98 (-25) -7.7% |
| Circum. inches (mm) | 95.36 (2422.17) | 94.79 (2407.72) | -0.57 (-14.45) -0.6% |
| Sidewall Height inches (mm) | 7.68 (195) | 7.09 (180) | -0.59 (-15) -7.7% |
| Revolutions per mile (km) | 664.42 (412.85) | 668.41 (415.33) | 3.99 (2.48) 0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.88 mph (31.99 km/h) |
| 25 mph (40.23 km/h) | 24.85 mph (39.99 km/h) |
| 30 mph (48.28 km/h) | 29.82 mph (47.99 km/h) |
| 35 mph (56.33 km/h) | 34.79 mph (55.99 km/h) |
| 40 mph (64.37 km/h) | 39.76 mph (63.99 km/h) |
| 45 mph (72.42 km/h) | 44.73 mph (71.99 km/h) |
| 50 mph (80.47 km/h) | 49.7 mph (79.99 km/h) |
| 55 mph (88.51 km/h) | 54.67 mph (87.99 km/h) |
| 60 mph (96.56 km/h) | 59.64 mph (95.98 km/h) |
| 65 mph (104.61 km/h) | 64.61 mph (103.98 km/h) |
| 70 mph (112.65 km/h) | 69.58 mph (111.98 km/h) |
| 75 mph (120.7 km/h) | 74.55 mph (119.98 km/h) |
| 80 mph (128.75 km/h) | 79.52 mph (127.98 km/h) |
| 85 mph (136.79 km/h) | 84.49 mph (135.98 km/h) |
| 90 mph (144.84 km/h) | 89.46 mph (143.98 km/h) |
| 95 mph (152.89 km/h) | 94.43 mph (151.98 km/h) |
| 100 mph (160.93 km/h) | 99.4 mph (159.97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1701 | 1976 | 2128 | 2222 | 2323 | 2396 | 2475 | 2570 | 2700 | 2830 | 2975 | 3091 | 3301 | 3532 | 3713 | 3829 | 3894 | 4133 | 4466 | 5190 |
Better Fuel Economy Factory Ratios Increased Power
