Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-20 | 315/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.2 (665.5) | 28.68 (728.5) | 2.48 (63) 9.5% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 82.31 (2090.73) | 90.1 (2288.65) | 7.79 (197.92) 9.5% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 4.34 (110.25) | 1.24 (31.5) 40% |
| Revolutions per mile (km) | 769.75 (478.3) | 703.18 (436.94) | -66.57 (-41.36) -8.6% |
315/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.89 mph (35.23 km/h) |
| 25 mph (40.23 km/h) | 27.37 mph (44.04 km/h) |
| 30 mph (48.28 km/h) | 32.84 mph (52.85 km/h) |
| 35 mph (56.33 km/h) | 38.31 mph (61.66 km/h) |
| 40 mph (64.37 km/h) | 43.79 mph (70.47 km/h) |
| 45 mph (72.42 km/h) | 49.26 mph (79.28 km/h) |
| 50 mph (80.47 km/h) | 54.73 mph (88.08 km/h) |
| 55 mph (88.51 km/h) | 60.21 mph (96.89 km/h) |
| 60 mph (96.56 km/h) | 65.68 mph (105.7 km/h) |
| 65 mph (104.61 km/h) | 71.15 mph (114.51 km/h) |
| 70 mph (112.65 km/h) | 76.63 mph (123.32 km/h) |
| 75 mph (120.7 km/h) | 82.1 mph (132.13 km/h) |
| 80 mph (128.75 km/h) | 87.57 mph (140.94 km/h) |
| 85 mph (136.79 km/h) | 93.05 mph (149.74 km/h) |
| 90 mph (144.84 km/h) | 98.52 mph (158.55 km/h) |
| 95 mph (152.89 km/h) | 103.99 mph (167.36 km/h) |
| 100 mph (160.93 km/h) | 109.47 mph (176.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1789 | 2079 | 2239 | 2338 | 2444 | 2520 | 2604 | 2703 | 2840 | 2977 | 3130 | 3252 | 3472 | 3716 | 3906 | 4028 | 4097 | 4348 | 4698 | 5460 |
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