Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 345/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 28.58 (726) | -0.92 (-23.46) -3.1% |
| Width inches (mm) | 10.51 (267) | 13.58 (345) | 3.07 (78) 29.2% |
| Circum. inches (mm) | 92.7 (2354.5) | 89.8 (2280.8) | -2.9 (-73.7) -3.1% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 6.79 (172.5) | -0.46 (-11.73) -6.4% |
| Revolutions per mile (km) | 683.52 (424.72) | 705.61 (438.44) | 22.09 (13.72) 3.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.37 mph (31.18 km/h) |
| 25 mph (40.23 km/h) | 24.22 mph (38.97 km/h) |
| 30 mph (48.28 km/h) | 29.06 mph (46.77 km/h) |
| 35 mph (56.33 km/h) | 33.9 mph (54.56 km/h) |
| 40 mph (64.37 km/h) | 38.75 mph (62.36 km/h) |
| 45 mph (72.42 km/h) | 43.59 mph (70.15 km/h) |
| 50 mph (80.47 km/h) | 48.43 mph (77.95 km/h) |
| 55 mph (88.51 km/h) | 53.28 mph (85.74 km/h) |
| 60 mph (96.56 km/h) | 58.12 mph (93.54 km/h) |
| 65 mph (104.61 km/h) | 62.97 mph (101.33 km/h) |
| 70 mph (112.65 km/h) | 67.81 mph (109.13 km/h) |
| 75 mph (120.7 km/h) | 72.65 mph (116.92 km/h) |
| 80 mph (128.75 km/h) | 77.5 mph (124.72 km/h) |
| 85 mph (136.79 km/h) | 82.34 mph (132.51 km/h) |
| 90 mph (144.84 km/h) | 87.18 mph (140.31 km/h) |
| 95 mph (152.89 km/h) | 92.03 mph (148.1 km/h) |
| 100 mph (160.93 km/h) | 96.87 mph (155.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1796 | 2086 | 2246 | 2346 | 2453 | 2529 | 2613 | 2713 | 2850 | 2988 | 3140 | 3263 | 3484 | 3729 | 3920 | 4042 | 4111 | 4363 | 4714 | 5479 |
Better Fuel Economy Factory Ratios Increased Power
