Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/75-15 | 160/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.27 (591) | 25.08 (637) | 1.81 (46) 7.8% |
| Width inches (mm) | 5.51 (140) | 6.3 (160) | 0.79 (20) 14.3% |
| Circum. inches (mm) | 73.1 (1856.68) | 78.79 (2001.19) | 5.69 (144.51) 7.8% |
| Sidewall Height inches (mm) | 4.13 (105) | 5.04 (128) | 0.91 (23) 21.9% |
| Revolutions per mile (km) | 866.79 (538.59) | 804.19 (499.7) | -62.59 (-38.89) -7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.56 mph (34.69 km/h) |
| 25 mph (40.23 km/h) | 26.95 mph (43.37 km/h) |
| 30 mph (48.28 km/h) | 32.34 mph (52.04 km/h) |
| 35 mph (56.33 km/h) | 37.72 mph (60.71 km/h) |
| 40 mph (64.37 km/h) | 43.11 mph (69.38 km/h) |
| 45 mph (72.42 km/h) | 48.5 mph (78.06 km/h) |
| 50 mph (80.47 km/h) | 53.89 mph (86.73 km/h) |
| 55 mph (88.51 km/h) | 59.28 mph (95.4 km/h) |
| 60 mph (96.56 km/h) | 64.67 mph (104.08 km/h) |
| 65 mph (104.61 km/h) | 70.06 mph (112.75 km/h) |
| 70 mph (112.65 km/h) | 75.45 mph (121.42 km/h) |
| 75 mph (120.7 km/h) | 80.84 mph (130.1 km/h) |
| 80 mph (128.75 km/h) | 86.23 mph (138.77 km/h) |
| 85 mph (136.79 km/h) | 91.62 mph (147.44 km/h) |
| 90 mph (144.84 km/h) | 97.01 mph (156.11 km/h) |
| 95 mph (152.89 km/h) | 102.39 mph (164.79 km/h) |
| 100 mph (160.93 km/h) | 107.78 mph (173.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2047 | 2377 | 2560 | 2674 | 2795 | 2883 | 2978 | 3092 | 3248 | 3405 | 3579 | 3719 | 3971 | 4250 | 4467 | 4607 | 4685 | 4973 | 5373 | 6244 |
Better Fuel Economy Factory Ratios Increased Power
