Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 150/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 24.45 (621) | 1.31 (33.4) 5.7% |
| Width inches (mm) | 5.71 (145) | 5.91 (150) | 0.2 (5) 3.4% |
| Circum. inches (mm) | 72.68 (1846) | 76.81 (1950.93) | 4.13 (104.93) 5.7% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.72 (120) | 0.16 (4) 3.4% |
| Revolutions per mile (km) | 871.8 (541.71) | 824.91 (512.58) | -46.89 (-29.14) -5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.14 mph (34.02 km/h) |
| 25 mph (40.23 km/h) | 26.42 mph (42.52 km/h) |
| 30 mph (48.28 km/h) | 31.71 mph (51.02 km/h) |
| 35 mph (56.33 km/h) | 36.99 mph (59.53 km/h) |
| 40 mph (64.37 km/h) | 42.27 mph (68.03 km/h) |
| 45 mph (72.42 km/h) | 47.56 mph (76.54 km/h) |
| 50 mph (80.47 km/h) | 52.84 mph (85.04 km/h) |
| 55 mph (88.51 km/h) | 58.13 mph (93.55 km/h) |
| 60 mph (96.56 km/h) | 63.41 mph (102.05 km/h) |
| 65 mph (104.61 km/h) | 68.69 mph (110.55 km/h) |
| 70 mph (112.65 km/h) | 73.98 mph (119.06 km/h) |
| 75 mph (120.7 km/h) | 79.26 mph (127.56 km/h) |
| 80 mph (128.75 km/h) | 84.55 mph (136.07 km/h) |
| 85 mph (136.79 km/h) | 89.83 mph (144.57 km/h) |
| 90 mph (144.84 km/h) | 95.12 mph (153.07 km/h) |
| 95 mph (152.89 km/h) | 100.4 mph (161.58 km/h) |
| 100 mph (160.93 km/h) | 105.68 mph (170.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2099 | 2439 | 2626 | 2742 | 2867 | 2957 | 3055 | 3171 | 3332 | 3493 | 3671 | 3814 | 4073 | 4359 | 4583 | 4726 | 4806 | 5101 | 5512 | 6405 |
Better Fuel Economy Factory Ratios Increased Power
