Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/30-21 | 295/25-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.73 (704.4) | 26.81 (680.9) | -0.93 (-23.5) -3.3% |
| Width inches (mm) | 11.22 (285) | 11.61 (295) | 0.39 (10) 3.5% |
| Circum. inches (mm) | 87.12 (2212.94) | 84.22 (2139.11) | -2.91 (-73.83) -3.3% |
| Sidewall Height inches (mm) | 3.37 (85.5) | 2.9 (73.75) | -0.46 (-11.75) -13.7% |
| Revolutions per mile (km) | 727.24 (451.89) | 752.34 (467.48) | 25.1 (15.6) 3.5% |
295/25-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.33 mph (31.11 km/h) |
| 25 mph (40.23 km/h) | 24.17 mph (38.89 km/h) |
| 30 mph (48.28 km/h) | 29 mph (46.67 km/h) |
| 35 mph (56.33 km/h) | 33.83 mph (54.45 km/h) |
| 40 mph (64.37 km/h) | 38.67 mph (62.23 km/h) |
| 45 mph (72.42 km/h) | 43.5 mph (70 km/h) |
| 50 mph (80.47 km/h) | 48.33 mph (77.78 km/h) |
| 55 mph (88.51 km/h) | 53.17 mph (85.56 km/h) |
| 60 mph (96.56 km/h) | 58 mph (93.34 km/h) |
| 65 mph (104.61 km/h) | 62.83 mph (101.12 km/h) |
| 70 mph (112.65 km/h) | 67.66 mph (108.9 km/h) |
| 75 mph (120.7 km/h) | 72.5 mph (116.67 km/h) |
| 80 mph (128.75 km/h) | 77.33 mph (124.45 km/h) |
| 85 mph (136.79 km/h) | 82.16 mph (132.23 km/h) |
| 90 mph (144.84 km/h) | 87 mph (140.01 km/h) |
| 95 mph (152.89 km/h) | 91.83 mph (147.79 km/h) |
| 100 mph (160.93 km/h) | 96.66 mph (155.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1915 | 2224 | 2395 | 2501 | 2615 | 2697 | 2786 | 2892 | 3039 | 3186 | 3348 | 3479 | 3715 | 3976 | 4179 | 4310 | 4383 | 4652 | 5027 | 5841 |
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