Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/70-18 | 160/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.72 (653.2) | 25.56 (649.2) | -0.16 (-4) -0.6% |
| Width inches (mm) | 5.51 (140) | 6.3 (160) | 0.79 (20) 14.3% |
| Circum. inches (mm) | 80.79 (2052.09) | 80.3 (2039.52) | -0.49 (-12.57) -0.6% |
| Sidewall Height inches (mm) | 3.86 (98) | 3.78 (96) | -0.08 (-2) -2% |
| Revolutions per mile (km) | 784.25 (487.31) | 789.08 (490.31) | 4.83 (3) 0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.88 mph (31.99 km/h) |
| 25 mph (40.23 km/h) | 24.85 mph (39.99 km/h) |
| 30 mph (48.28 km/h) | 29.82 mph (47.98 km/h) |
| 35 mph (56.33 km/h) | 34.79 mph (55.98 km/h) |
| 40 mph (64.37 km/h) | 39.76 mph (63.98 km/h) |
| 45 mph (72.42 km/h) | 44.72 mph (71.98 km/h) |
| 50 mph (80.47 km/h) | 49.69 mph (79.97 km/h) |
| 55 mph (88.51 km/h) | 54.66 mph (87.97 km/h) |
| 60 mph (96.56 km/h) | 59.63 mph (95.97 km/h) |
| 65 mph (104.61 km/h) | 64.6 mph (103.97 km/h) |
| 70 mph (112.65 km/h) | 69.57 mph (111.96 km/h) |
| 75 mph (120.7 km/h) | 74.54 mph (119.96 km/h) |
| 80 mph (128.75 km/h) | 79.51 mph (127.96 km/h) |
| 85 mph (136.79 km/h) | 84.48 mph (135.96 km/h) |
| 90 mph (144.84 km/h) | 89.45 mph (143.95 km/h) |
| 95 mph (152.89 km/h) | 94.42 mph (151.95 km/h) |
| 100 mph (160.93 km/h) | 99.39 mph (159.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 2333 | 2512 | 2623 | 2743 | 2828 | 2922 | 3033 | 3187 | 3341 | 3512 | 3649 | 3896 | 4170 | 4384 | 4520 | 4597 | 4879 | 5272 | 6127 |
Better Fuel Economy Factory Ratios Increased Power
