Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/75-14 | 145/80-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.11 (663.1) | 21.13 (536.8) | -4.97 (-126.3) -19% |
| Width inches (mm) | 8.07 (205) | 5.71 (145) | -2.36 (-60) -29.3% |
| Circum. inches (mm) | 82.02 (2083.19) | 66.39 (1686.41) | -15.62 (-396.78) -19% |
| Sidewall Height inches (mm) | 6.05 (153.75) | 4.57 (116) | -1.49 (-37.75) -24.6% |
| Revolutions per mile (km) | 772.54 (480.03) | 954.3 (592.98) | 181.77 (112.94) 23.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.19 mph (26.06 km/h) |
| 25 mph (40.23 km/h) | 20.24 mph (32.57 km/h) |
| 30 mph (48.28 km/h) | 24.29 mph (39.08 km/h) |
| 35 mph (56.33 km/h) | 28.33 mph (45.6 km/h) |
| 40 mph (64.37 km/h) | 32.38 mph (52.11 km/h) |
| 45 mph (72.42 km/h) | 36.43 mph (58.63 km/h) |
| 50 mph (80.47 km/h) | 40.48 mph (65.14 km/h) |
| 55 mph (88.51 km/h) | 44.52 mph (71.65 km/h) |
| 60 mph (96.56 km/h) | 48.57 mph (78.17 km/h) |
| 65 mph (104.61 km/h) | 52.62 mph (84.68 km/h) |
| 70 mph (112.65 km/h) | 56.67 mph (91.2 km/h) |
| 75 mph (120.7 km/h) | 60.71 mph (97.71 km/h) |
| 80 mph (128.75 km/h) | 64.76 mph (104.23 km/h) |
| 85 mph (136.79 km/h) | 68.81 mph (110.74 km/h) |
| 90 mph (144.84 km/h) | 72.86 mph (117.25 km/h) |
| 95 mph (152.89 km/h) | 76.91 mph (123.77 km/h) |
| 100 mph (160.93 km/h) | 80.95 mph (130.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
