Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/60-18 | 160/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.61 (625.2) | 24.3 (617.2) | -0.31 (-8) -1.3% |
| Width inches (mm) | 5.51 (140) | 6.3 (160) | 0.79 (20) 14.3% |
| Circum. inches (mm) | 77.33 (1964.12) | 76.34 (1938.99) | -0.99 (-25.13) -1.3% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.15 (80) | -0.16 (-4) -4.8% |
| Revolutions per mile (km) | 819.37 (509.13) | 829.99 (515.73) | 10.62 (6.6) 1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.74 mph (31.78 km/h) |
| 25 mph (40.23 km/h) | 24.68 mph (39.72 km/h) |
| 30 mph (48.28 km/h) | 29.62 mph (47.66 km/h) |
| 35 mph (56.33 km/h) | 34.55 mph (55.61 km/h) |
| 40 mph (64.37 km/h) | 39.49 mph (63.55 km/h) |
| 45 mph (72.42 km/h) | 44.42 mph (71.49 km/h) |
| 50 mph (80.47 km/h) | 49.36 mph (79.44 km/h) |
| 55 mph (88.51 km/h) | 54.3 mph (87.38 km/h) |
| 60 mph (96.56 km/h) | 59.23 mph (95.33 km/h) |
| 65 mph (104.61 km/h) | 64.17 mph (103.27 km/h) |
| 70 mph (112.65 km/h) | 69.1 mph (111.21 km/h) |
| 75 mph (120.7 km/h) | 74.04 mph (119.16 km/h) |
| 80 mph (128.75 km/h) | 78.98 mph (127.1 km/h) |
| 85 mph (136.79 km/h) | 83.91 mph (135.04 km/h) |
| 90 mph (144.84 km/h) | 88.85 mph (142.99 km/h) |
| 95 mph (152.89 km/h) | 93.78 mph (150.93 km/h) |
| 100 mph (160.93 km/h) | 98.72 mph (158.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2112 | 2454 | 2642 | 2759 | 2885 | 2975 | 3074 | 3191 | 3353 | 3514 | 3694 | 3838 | 4099 | 4386 | 4611 | 4755 | 4836 | 5132 | 5546 | 6444 |
Better Fuel Economy Factory Ratios Increased Power
