Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/70-15 | 300/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 31.54 (801) | 5.51 (140) 21.2% |
| Width inches (mm) | 7.87 (200) | 11.81 (300) | 3.94 (100) 50% |
| Circum. inches (mm) | 81.76 (2076.59) | 99.07 (2516.42) | 17.32 (439.82) 21.2% |
| Sidewall Height inches (mm) | 5.51 (140) | 8.27 (210) | 2.76 (70) 50% |
| Revolutions per mile (km) | 774.99 (481.56) | 639.54 (397.39) | -135.45 (-84.17) -17.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.24 mph (39 km/h) |
| 25 mph (40.23 km/h) | 30.3 mph (48.76 km/h) |
| 30 mph (48.28 km/h) | 36.35 mph (58.51 km/h) |
| 35 mph (56.33 km/h) | 42.41 mph (68.26 km/h) |
| 40 mph (64.37 km/h) | 48.47 mph (78.01 km/h) |
| 45 mph (72.42 km/h) | 54.53 mph (87.76 km/h) |
| 50 mph (80.47 km/h) | 60.59 mph (97.51 km/h) |
| 55 mph (88.51 km/h) | 66.65 mph (107.26 km/h) |
| 60 mph (96.56 km/h) | 72.71 mph (117.01 km/h) |
| 65 mph (104.61 km/h) | 78.77 mph (126.76 km/h) |
| 70 mph (112.65 km/h) | 84.83 mph (136.51 km/h) |
| 75 mph (120.7 km/h) | 90.89 mph (146.27 km/h) |
| 80 mph (128.75 km/h) | 96.94 mph (156.02 km/h) |
| 85 mph (136.79 km/h) | 103 mph (165.77 km/h) |
| 90 mph (144.84 km/h) | 109.06 mph (175.52 km/h) |
| 95 mph (152.89 km/h) | 115.12 mph (185.27 km/h) |
| 100 mph (160.93 km/h) | 121.18 mph (195.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1628 | 1891 | 2036 | 2126 | 2223 | 2292 | 2369 | 2459 | 2583 | 2708 | 2846 | 2957 | 3158 | 3380 | 3553 | 3664 | 3726 | 3954 | 4273 | 4966 |
Better Fuel Economy Factory Ratios Increased Power
