Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/70-15 | 245/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.3 (668) | 26.75 (679.5) | 0.45 (11.5) 1.7% |
| Width inches (mm) | 8.07 (205) | 9.65 (245) | 1.57 (40) 19.5% |
| Circum. inches (mm) | 82.62 (2098.58) | 84.04 (2134.71) | 1.42 (36.13) 1.7% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 3.38 (85.75) | -2.27 (-57.75) -40.2% |
| Revolutions per mile (km) | 766.87 (476.51) | 753.89 (468.45) | -12.98 (-8.06) -1.7% |
245/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.34 mph (32.74 km/h) |
| 25 mph (40.23 km/h) | 25.43 mph (40.93 km/h) |
| 30 mph (48.28 km/h) | 30.52 mph (49.11 km/h) |
| 35 mph (56.33 km/h) | 35.6 mph (57.3 km/h) |
| 40 mph (64.37 km/h) | 40.69 mph (65.48 km/h) |
| 45 mph (72.42 km/h) | 45.77 mph (73.67 km/h) |
| 50 mph (80.47 km/h) | 50.86 mph (81.85 km/h) |
| 55 mph (88.51 km/h) | 55.95 mph (90.04 km/h) |
| 60 mph (96.56 km/h) | 61.03 mph (98.22 km/h) |
| 65 mph (104.61 km/h) | 66.12 mph (106.41 km/h) |
| 70 mph (112.65 km/h) | 71.21 mph (114.59 km/h) |
| 75 mph (120.7 km/h) | 76.29 mph (122.78 km/h) |
| 80 mph (128.75 km/h) | 81.38 mph (130.96 km/h) |
| 85 mph (136.79 km/h) | 86.46 mph (139.15 km/h) |
| 90 mph (144.84 km/h) | 91.55 mph (147.33 km/h) |
| 95 mph (152.89 km/h) | 96.64 mph (155.52 km/h) |
| 100 mph (160.93 km/h) | 101.72 mph (163.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1919 | 2229 | 2400 | 2506 | 2621 | 2702 | 2792 | 2898 | 3045 | 3192 | 3355 | 3486 | 3723 | 3984 | 4188 | 4319 | 4392 | 4662 | 5037 | 5854 |
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