Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/80-15 | 150/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.82 (605) | 25.63 (651) | 1.81 (46) 7.6% |
| Width inches (mm) | 5.51 (140) | 5.91 (150) | 0.39 (10) 7.1% |
| Circum. inches (mm) | 74.83 (1900.66) | 80.52 (2045.18) | 5.69 (144.51) 7.6% |
| Sidewall Height inches (mm) | 4.41 (112) | 5.31 (135) | 0.91 (23) 20.5% |
| Revolutions per mile (km) | 846.73 (526.13) | 786.9 (488.95) | -59.83 (-37.18) -7.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.52 mph (34.63 km/h) |
| 25 mph (40.23 km/h) | 26.9 mph (43.29 km/h) |
| 30 mph (48.28 km/h) | 32.28 mph (51.95 km/h) |
| 35 mph (56.33 km/h) | 37.66 mph (60.61 km/h) |
| 40 mph (64.37 km/h) | 43.04 mph (69.27 km/h) |
| 45 mph (72.42 km/h) | 48.42 mph (77.93 km/h) |
| 50 mph (80.47 km/h) | 53.8 mph (86.59 km/h) |
| 55 mph (88.51 km/h) | 59.18 mph (95.24 km/h) |
| 60 mph (96.56 km/h) | 64.56 mph (103.9 km/h) |
| 65 mph (104.61 km/h) | 69.94 mph (112.56 km/h) |
| 70 mph (112.65 km/h) | 75.32 mph (121.22 km/h) |
| 75 mph (120.7 km/h) | 80.7 mph (129.88 km/h) |
| 80 mph (128.75 km/h) | 86.08 mph (138.54 km/h) |
| 85 mph (136.79 km/h) | 91.46 mph (147.2 km/h) |
| 90 mph (144.84 km/h) | 96.84 mph (155.85 km/h) |
| 95 mph (152.89 km/h) | 102.22 mph (164.51 km/h) |
| 100 mph (160.93 km/h) | 107.6 mph (173.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 | 2326 | 2505 | 2616 | 2735 | 2821 | 2914 | 3025 | 3178 | 3332 | 3502 | 3639 | 3886 | 4158 | 4371 | 4508 | 4584 | 4866 | 5258 | 6110 |
Better Fuel Economy Factory Ratios Increased Power
