Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/75-15 | 155/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.27 (591) | 22.93 (582.5) | -0.33 (-8.5) -1.4% |
| Width inches (mm) | 5.51 (140) | 6.1 (155) | 0.59 (15) 10.7% |
| Circum. inches (mm) | 73.1 (1856.68) | 72.05 (1829.98) | -1.05 (-26.7) -1.4% |
| Sidewall Height inches (mm) | 4.13 (105) | 3.97 (100.75) | -0.17 (-4.25) -4% |
| Revolutions per mile (km) | 866.79 (538.59) | 879.43 (546.45) | 12.65 (7.86) 1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.71 mph (31.72 km/h) |
| 25 mph (40.23 km/h) | 24.64 mph (39.66 km/h) |
| 30 mph (48.28 km/h) | 29.57 mph (47.59 km/h) |
| 35 mph (56.33 km/h) | 34.5 mph (55.52 km/h) |
| 40 mph (64.37 km/h) | 39.42 mph (63.45 km/h) |
| 45 mph (72.42 km/h) | 44.35 mph (71.38 km/h) |
| 50 mph (80.47 km/h) | 49.28 mph (79.31 km/h) |
| 55 mph (88.51 km/h) | 54.21 mph (87.24 km/h) |
| 60 mph (96.56 km/h) | 59.14 mph (95.17 km/h) |
| 65 mph (104.61 km/h) | 64.07 mph (103.1 km/h) |
| 70 mph (112.65 km/h) | 68.99 mph (111.03 km/h) |
| 75 mph (120.7 km/h) | 73.92 mph (118.97 km/h) |
| 80 mph (128.75 km/h) | 78.85 mph (126.9 km/h) |
| 85 mph (136.79 km/h) | 83.78 mph (134.83 km/h) |
| 90 mph (144.84 km/h) | 88.71 mph (142.76 km/h) |
| 95 mph (152.89 km/h) | 93.63 mph (150.69 km/h) |
| 100 mph (160.93 km/h) | 98.56 mph (158.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2238 | 2600 | 2800 | 2924 | 3057 | 3152 | 3257 | 3381 | 3552 | 3724 | 3914 | 4066 | 4343 | 4647 | 4885 | 5038 | 5124 | 5438 | 5876 | 6828 |
Better Fuel Economy Factory Ratios Increased Power
