Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/25-20 | 345/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.79 (680.5) | 29.51 (749.5) | 2.72 (69) 10.1% |
| Width inches (mm) | 13.58 (345) | 13.58 (345) | 0 (0) 0% |
| Circum. inches (mm) | 84.17 (2137.85) | 92.7 (2354.62) | 8.53 (216.77) 10.1% |
| Sidewall Height inches (mm) | 3.4 (86.25) | 4.75 (120.75) | 1.36 (34.5) 40% |
| Revolutions per mile (km) | 752.78 (467.76) | 683.48 (424.7) | -69.3 (-43.06) -9.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.03 mph (35.45 km/h) |
| 25 mph (40.23 km/h) | 27.53 mph (44.31 km/h) |
| 30 mph (48.28 km/h) | 33.04 mph (53.18 km/h) |
| 35 mph (56.33 km/h) | 38.55 mph (62.04 km/h) |
| 40 mph (64.37 km/h) | 44.06 mph (70.9 km/h) |
| 45 mph (72.42 km/h) | 49.56 mph (79.76 km/h) |
| 50 mph (80.47 km/h) | 55.07 mph (88.63 km/h) |
| 55 mph (88.51 km/h) | 60.58 mph (97.49 km/h) |
| 60 mph (96.56 km/h) | 66.08 mph (106.35 km/h) |
| 65 mph (104.61 km/h) | 71.59 mph (115.21 km/h) |
| 70 mph (112.65 km/h) | 77.1 mph (124.08 km/h) |
| 75 mph (120.7 km/h) | 82.6 mph (132.94 km/h) |
| 80 mph (128.75 km/h) | 88.11 mph (141.8 km/h) |
| 85 mph (136.79 km/h) | 93.62 mph (150.66 km/h) |
| 90 mph (144.84 km/h) | 99.13 mph (159.53 km/h) |
| 95 mph (152.89 km/h) | 104.63 mph (168.39 km/h) |
| 100 mph (160.93 km/h) | 110.14 mph (177.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1739 | 2021 | 2176 | 2272 | 2376 | 2450 | 2531 | 2628 | 2761 | 2894 | 3042 | 3160 | 3375 | 3612 | 3797 | 3915 | 3982 | 4226 | 4567 | 5307 |
Better Fuel Economy Factory Ratios Increased Power
