Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/65-14 | 155/45-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.42 (544.1) | 19.49 (495.1) | -1.93 (-49) -9% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 67.3 (1709.34) | 61.24 (1555.4) | -6.06 (-153.94) -9% |
| Sidewall Height inches (mm) | 3.71 (94.25) | 2.75 (69.75) | -0.96 (-24.5) -26% |
| Revolutions per mile (km) | 941.5 (585.02) | 1034.68 (642.92) | 93.18 (57.9) 9.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.2 mph (29.29 km/h) |
| 25 mph (40.23 km/h) | 22.75 mph (36.61 km/h) |
| 30 mph (48.28 km/h) | 27.3 mph (43.93 km/h) |
| 35 mph (56.33 km/h) | 31.85 mph (51.25 km/h) |
| 40 mph (64.37 km/h) | 36.4 mph (58.58 km/h) |
| 45 mph (72.42 km/h) | 40.95 mph (65.9 km/h) |
| 50 mph (80.47 km/h) | 45.5 mph (73.22 km/h) |
| 55 mph (88.51 km/h) | 50.05 mph (80.54 km/h) |
| 60 mph (96.56 km/h) | 54.6 mph (87.86 km/h) |
| 65 mph (104.61 km/h) | 59.15 mph (95.19 km/h) |
| 70 mph (112.65 km/h) | 63.7 mph (102.51 km/h) |
| 75 mph (120.7 km/h) | 68.25 mph (109.83 km/h) |
| 80 mph (128.75 km/h) | 72.8 mph (117.15 km/h) |
| 85 mph (136.79 km/h) | 77.35 mph (124.48 km/h) |
| 90 mph (144.84 km/h) | 81.89 mph (131.8 km/h) |
| 95 mph (152.89 km/h) | 86.44 mph (139.12 km/h) |
| 100 mph (160.93 km/h) | 90.99 mph (146.44 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
