Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/90-15 | 160/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.92 (633) | 26.34 (669) | 1.42 (36) 5.7% |
| Width inches (mm) | 5.51 (140) | 6.3 (160) | 0.79 (20) 14.3% |
| Circum. inches (mm) | 78.29 (1988.63) | 82.75 (2101.73) | 4.45 (113.1) 5.7% |
| Sidewall Height inches (mm) | 4.96 (126) | 5.67 (144) | 0.71 (18) 14.3% |
| Revolutions per mile (km) | 809.27 (502.86) | 765.73 (475.8) | -43.55 (-27.06) -5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.14 mph (34.02 km/h) |
| 25 mph (40.23 km/h) | 26.42 mph (42.52 km/h) |
| 30 mph (48.28 km/h) | 31.71 mph (51.03 km/h) |
| 35 mph (56.33 km/h) | 36.99 mph (59.53 km/h) |
| 40 mph (64.37 km/h) | 42.27 mph (68.03 km/h) |
| 45 mph (72.42 km/h) | 47.56 mph (76.54 km/h) |
| 50 mph (80.47 km/h) | 52.84 mph (85.04 km/h) |
| 55 mph (88.51 km/h) | 58.13 mph (93.55 km/h) |
| 60 mph (96.56 km/h) | 63.41 mph (102.05 km/h) |
| 65 mph (104.61 km/h) | 68.7 mph (110.56 km/h) |
| 70 mph (112.65 km/h) | 73.98 mph (119.06 km/h) |
| 75 mph (120.7 km/h) | 79.27 mph (127.57 km/h) |
| 80 mph (128.75 km/h) | 84.55 mph (136.07 km/h) |
| 85 mph (136.79 km/h) | 89.83 mph (144.57 km/h) |
| 90 mph (144.84 km/h) | 95.12 mph (153.08 km/h) |
| 95 mph (152.89 km/h) | 100.4 mph (161.58 km/h) |
| 100 mph (160.93 km/h) | 105.69 mph (170.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1949 | 2264 | 2438 | 2546 | 2662 | 2745 | 2836 | 2944 | 3093 | 3242 | 3408 | 3541 | 3781 | 4047 | 4254 | 4386 | 4461 | 4735 | 5116 | 5945 |
Better Fuel Economy Factory Ratios Increased Power
