Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/60-18 | 150/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.61 (625.2) | 24.45 (621) | -0.17 (-4.2) -0.7% |
| Width inches (mm) | 5.51 (140) | 5.91 (150) | 0.39 (10) 7.1% |
| Circum. inches (mm) | 77.33 (1964.12) | 76.81 (1950.93) | -0.52 (-13.19) -0.7% |
| Sidewall Height inches (mm) | 3.31 (84) | 4.72 (120) | 1.42 (36) 42.9% |
| Revolutions per mile (km) | 819.37 (509.13) | 824.91 (512.58) | 5.54 (3.44) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.87 mph (31.97 km/h) |
| 25 mph (40.23 km/h) | 24.83 mph (39.96 km/h) |
| 30 mph (48.28 km/h) | 29.8 mph (47.96 km/h) |
| 35 mph (56.33 km/h) | 34.76 mph (55.95 km/h) |
| 40 mph (64.37 km/h) | 39.73 mph (63.94 km/h) |
| 45 mph (72.42 km/h) | 44.7 mph (71.93 km/h) |
| 50 mph (80.47 km/h) | 49.66 mph (79.93 km/h) |
| 55 mph (88.51 km/h) | 54.63 mph (87.92 km/h) |
| 60 mph (96.56 km/h) | 59.6 mph (95.91 km/h) |
| 65 mph (104.61 km/h) | 64.56 mph (103.9 km/h) |
| 70 mph (112.65 km/h) | 69.53 mph (111.9 km/h) |
| 75 mph (120.7 km/h) | 74.5 mph (119.89 km/h) |
| 80 mph (128.75 km/h) | 79.46 mph (127.88 km/h) |
| 85 mph (136.79 km/h) | 84.43 mph (135.88 km/h) |
| 90 mph (144.84 km/h) | 89.4 mph (143.87 km/h) |
| 95 mph (152.89 km/h) | 94.36 mph (151.86 km/h) |
| 100 mph (160.93 km/h) | 99.33 mph (159.85 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
