Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/80-15 | 150/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.45 (621) | 25.63 (651) | 1.18 (30) 4.8% |
| Width inches (mm) | 5.91 (150) | 5.91 (150) | 0 (0) 0% |
| Circum. inches (mm) | 76.81 (1950.93) | 80.52 (2045.18) | 3.71 (94.25) 4.8% |
| Sidewall Height inches (mm) | 4.72 (120) | 5.31 (135) | 0.59 (15) 12.5% |
| Revolutions per mile (km) | 824.91 (512.58) | 786.9 (488.95) | -38.01 (-23.62) -4.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.97 mph (33.74 km/h) |
| 25 mph (40.23 km/h) | 26.21 mph (42.18 km/h) |
| 30 mph (48.28 km/h) | 31.45 mph (50.61 km/h) |
| 35 mph (56.33 km/h) | 36.69 mph (59.05 km/h) |
| 40 mph (64.37 km/h) | 41.93 mph (67.48 km/h) |
| 45 mph (72.42 km/h) | 47.17 mph (75.92 km/h) |
| 50 mph (80.47 km/h) | 52.42 mph (84.35 km/h) |
| 55 mph (88.51 km/h) | 57.66 mph (92.79 km/h) |
| 60 mph (96.56 km/h) | 62.9 mph (101.23 km/h) |
| 65 mph (104.61 km/h) | 68.14 mph (109.66 km/h) |
| 70 mph (112.65 km/h) | 73.38 mph (118.1 km/h) |
| 75 mph (120.7 km/h) | 78.62 mph (126.53 km/h) |
| 80 mph (128.75 km/h) | 83.86 mph (134.97 km/h) |
| 85 mph (136.79 km/h) | 89.11 mph (143.4 km/h) |
| 90 mph (144.84 km/h) | 94.35 mph (151.84 km/h) |
| 95 mph (152.89 km/h) | 99.59 mph (160.27 km/h) |
| 100 mph (160.93 km/h) | 104.83 mph (168.71 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
