Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/30-21 | 295/30-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.26 (692.4) | 26.97 (685) | -0.29 (-7.4) -1.1% |
| Width inches (mm) | 10.43 (265) | 11.61 (295) | 1.18 (30) 11.3% |
| Circum. inches (mm) | 85.64 (2175.24) | 84.72 (2151.99) | -0.92 (-23.25) -1.1% |
| Sidewall Height inches (mm) | 3.13 (79.5) | 3.48 (88.5) | 0.35 (9) 11.3% |
| Revolutions per mile (km) | 739.85 (459.72) | 747.84 (464.69) | 7.99 (4.97) 1.1% |
295/30-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.79 mph (31.84 km/h) |
| 25 mph (40.23 km/h) | 24.73 mph (39.8 km/h) |
| 30 mph (48.28 km/h) | 29.68 mph (47.76 km/h) |
| 35 mph (56.33 km/h) | 34.63 mph (55.73 km/h) |
| 40 mph (64.37 km/h) | 39.57 mph (63.69 km/h) |
| 45 mph (72.42 km/h) | 44.52 mph (71.65 km/h) |
| 50 mph (80.47 km/h) | 49.47 mph (79.61 km/h) |
| 55 mph (88.51 km/h) | 54.41 mph (87.57 km/h) |
| 60 mph (96.56 km/h) | 59.36 mph (95.53 km/h) |
| 65 mph (104.61 km/h) | 64.31 mph (103.49 km/h) |
| 70 mph (112.65 km/h) | 69.25 mph (111.45 km/h) |
| 75 mph (120.7 km/h) | 74.2 mph (119.41 km/h) |
| 80 mph (128.75 km/h) | 79.15 mph (127.37 km/h) |
| 85 mph (136.79 km/h) | 84.09 mph (135.33 km/h) |
| 90 mph (144.84 km/h) | 89.04 mph (143.29 km/h) |
| 95 mph (152.89 km/h) | 93.98 mph (151.25 km/h) |
| 100 mph (160.93 km/h) | 98.93 mph (159.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1903 | 2211 | 2381 | 2486 | 2600 | 2681 | 2770 | 2875 | 3021 | 3166 | 3328 | 3458 | 3693 | 3952 | 4154 | 4284 | 4357 | 4624 | 4997 | 5807 |
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