Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-15 | 175/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.51 (622.5) | 25.33 (643.5) | 0.83 (21) 3.4% |
| Width inches (mm) | 13.58 (345) | 6.89 (175) | -6.69 (-170) -49.3% |
| Circum. inches (mm) | 76.99 (1955.64) | 79.59 (2021.61) | 2.6 (65.97) 3.4% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 5.17 (131.25) | 0.41 (10.5) 8.7% |
| Revolutions per mile (km) | 822.92 (511.34) | 796.07 (494.65) | -26.86 (-16.69) -3.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.67 mph (33.27 km/h) |
| 25 mph (40.23 km/h) | 25.84 mph (41.59 km/h) |
| 30 mph (48.28 km/h) | 31.01 mph (49.91 km/h) |
| 35 mph (56.33 km/h) | 36.18 mph (58.23 km/h) |
| 40 mph (64.37 km/h) | 41.35 mph (66.55 km/h) |
| 45 mph (72.42 km/h) | 46.52 mph (74.86 km/h) |
| 50 mph (80.47 km/h) | 51.69 mph (83.18 km/h) |
| 55 mph (88.51 km/h) | 56.86 mph (91.5 km/h) |
| 60 mph (96.56 km/h) | 62.02 mph (99.82 km/h) |
| 65 mph (104.61 km/h) | 67.19 mph (108.14 km/h) |
| 70 mph (112.65 km/h) | 72.36 mph (116.45 km/h) |
| 75 mph (120.7 km/h) | 77.53 mph (124.77 km/h) |
| 80 mph (128.75 km/h) | 82.7 mph (133.09 km/h) |
| 85 mph (136.79 km/h) | 87.87 mph (141.41 km/h) |
| 90 mph (144.84 km/h) | 93.04 mph (149.73 km/h) |
| 95 mph (152.89 km/h) | 98.2 mph (158.05 km/h) |
| 100 mph (160.93 km/h) | 103.37 mph (166.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2353 | 2534 | 2647 | 2767 | 2853 | 2948 | 3060 | 3215 | 3371 | 3543 | 3681 | 3931 | 4207 | 4422 | 4560 | 4638 | 4922 | 5319 | 6181 |
Better Fuel Economy Factory Ratios Increased Power
