Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-20 | 295/45-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.61 (752) | 30.45 (773.5) | 0.85 (21.5) 2.9% |
| Width inches (mm) | 12.01 (305) | 11.61 (295) | -0.39 (-10) -3.3% |
| Circum. inches (mm) | 93.01 (2362.48) | 95.67 (2430.02) | 2.66 (67.54) 2.9% |
| Sidewall Height inches (mm) | 4.8 (122) | 5.23 (132.75) | 0.42 (10.75) 8.8% |
| Revolutions per mile (km) | 681.21 (423.28) | 662.28 (411.52) | -18.93 (-11.77) -2.8% |
295/45-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.57 mph (33.11 km/h) |
| 25 mph (40.23 km/h) | 25.71 mph (41.38 km/h) |
| 30 mph (48.28 km/h) | 30.86 mph (49.66 km/h) |
| 35 mph (56.33 km/h) | 36 mph (57.94 km/h) |
| 40 mph (64.37 km/h) | 41.14 mph (66.21 km/h) |
| 45 mph (72.42 km/h) | 46.29 mph (74.49 km/h) |
| 50 mph (80.47 km/h) | 51.43 mph (82.77 km/h) |
| 55 mph (88.51 km/h) | 56.57 mph (91.04 km/h) |
| 60 mph (96.56 km/h) | 61.72 mph (99.32 km/h) |
| 65 mph (104.61 km/h) | 66.86 mph (107.6 km/h) |
| 70 mph (112.65 km/h) | 72 mph (115.88 km/h) |
| 75 mph (120.7 km/h) | 77.14 mph (124.15 km/h) |
| 80 mph (128.75 km/h) | 82.29 mph (132.43 km/h) |
| 85 mph (136.79 km/h) | 87.43 mph (140.71 km/h) |
| 90 mph (144.84 km/h) | 92.57 mph (148.98 km/h) |
| 95 mph (152.89 km/h) | 97.72 mph (157.26 km/h) |
| 100 mph (160.93 km/h) | 102.86 mph (165.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1685 | 1958 | 2108 | 2202 | 2302 | 2374 | 2453 | 2546 | 2675 | 2804 | 2948 | 3062 | 3270 | 3500 | 3679 | 3794 | 3858 | 4095 | 4425 | 5142 |
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