Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/75-15 | 150/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.27 (591) | 25.63 (651) | 2.36 (60) 10.2% |
| Width inches (mm) | 5.51 (140) | 5.91 (150) | 0.39 (10) 7.1% |
| Circum. inches (mm) | 73.1 (1856.68) | 80.52 (2045.18) | 7.42 (188.5) 10.2% |
| Sidewall Height inches (mm) | 4.13 (105) | 5.31 (135) | 1.18 (30) 28.6% |
| Revolutions per mile (km) | 866.79 (538.59) | 786.9 (488.95) | -79.89 (-49.64) -9.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.03 mph (35.45 km/h) |
| 25 mph (40.23 km/h) | 27.54 mph (44.32 km/h) |
| 30 mph (48.28 km/h) | 33.05 mph (53.18 km/h) |
| 35 mph (56.33 km/h) | 38.55 mph (62.05 km/h) |
| 40 mph (64.37 km/h) | 44.06 mph (70.91 km/h) |
| 45 mph (72.42 km/h) | 49.57 mph (79.77 km/h) |
| 50 mph (80.47 km/h) | 55.08 mph (88.64 km/h) |
| 55 mph (88.51 km/h) | 60.58 mph (97.5 km/h) |
| 60 mph (96.56 km/h) | 66.09 mph (106.36 km/h) |
| 65 mph (104.61 km/h) | 71.6 mph (115.23 km/h) |
| 70 mph (112.65 km/h) | 77.11 mph (124.09 km/h) |
| 75 mph (120.7 km/h) | 82.61 mph (132.95 km/h) |
| 80 mph (128.75 km/h) | 88.12 mph (141.82 km/h) |
| 85 mph (136.79 km/h) | 93.63 mph (150.68 km/h) |
| 90 mph (144.84 km/h) | 99.14 mph (159.55 km/h) |
| 95 mph (152.89 km/h) | 104.64 mph (168.41 km/h) |
| 100 mph (160.93 km/h) | 110.15 mph (177.27 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
