Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-14 | 145/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.5 (571.6) | 21.42 (544.1) | -1.08 (-27.5) -4.8% |
| Width inches (mm) | 5.31 (135) | 5.71 (145) | 0.39 (10) 7.4% |
| Circum. inches (mm) | 70.7 (1795.73) | 67.3 (1709.34) | -3.4 (-86.39) -4.8% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.71 (94.25) | -0.54 (-13.75) -12.7% |
| Revolutions per mile (km) | 896.2 (556.87) | 941.5 (585.02) | 45.3 (28.15) 5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.04 mph (30.64 km/h) |
| 25 mph (40.23 km/h) | 23.8 mph (38.3 km/h) |
| 30 mph (48.28 km/h) | 28.56 mph (45.96 km/h) |
| 35 mph (56.33 km/h) | 33.32 mph (53.62 km/h) |
| 40 mph (64.37 km/h) | 38.08 mph (61.28 km/h) |
| 45 mph (72.42 km/h) | 42.84 mph (68.94 km/h) |
| 50 mph (80.47 km/h) | 47.59 mph (76.6 km/h) |
| 55 mph (88.51 km/h) | 52.35 mph (84.26 km/h) |
| 60 mph (96.56 km/h) | 57.11 mph (91.92 km/h) |
| 65 mph (104.61 km/h) | 61.87 mph (99.57 km/h) |
| 70 mph (112.65 km/h) | 66.63 mph (107.23 km/h) |
| 75 mph (120.7 km/h) | 71.39 mph (114.89 km/h) |
| 80 mph (128.75 km/h) | 76.15 mph (122.55 km/h) |
| 85 mph (136.79 km/h) | 80.91 mph (130.21 km/h) |
| 90 mph (144.84 km/h) | 85.67 mph (137.87 km/h) |
| 95 mph (152.89 km/h) | 90.43 mph (145.53 km/h) |
| 100 mph (160.93 km/h) | 95.19 mph (153.19 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
