Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/60-16 | 120/90-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.56 (598.4) | 26.5 (673.2) | 2.94 (74.8) 12.5% |
| Width inches (mm) | 6.3 (160) | 4.72 (120) | -1.57 (-40) -25% |
| Circum. inches (mm) | 74.01 (1879.93) | 83.26 (2114.92) | 9.25 (234.99) 12.5% |
| Sidewall Height inches (mm) | 3.78 (96) | 4.25 (108) | 0.47 (12) 12.5% |
| Revolutions per mile (km) | 856.07 (531.93) | 760.95 (472.83) | -95.12 (-59.1) -11.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.5 mph (36.21 km/h) |
| 25 mph (40.23 km/h) | 28.13 mph (45.26 km/h) |
| 30 mph (48.28 km/h) | 33.75 mph (54.32 km/h) |
| 35 mph (56.33 km/h) | 39.38 mph (63.37 km/h) |
| 40 mph (64.37 km/h) | 45 mph (72.42 km/h) |
| 45 mph (72.42 km/h) | 50.63 mph (81.47 km/h) |
| 50 mph (80.47 km/h) | 56.25 mph (90.53 km/h) |
| 55 mph (88.51 km/h) | 61.88 mph (99.58 km/h) |
| 60 mph (96.56 km/h) | 67.5 mph (108.63 km/h) |
| 65 mph (104.61 km/h) | 73.13 mph (117.68 km/h) |
| 70 mph (112.65 km/h) | 78.75 mph (126.74 km/h) |
| 75 mph (120.7 km/h) | 84.38 mph (135.79 km/h) |
| 80 mph (128.75 km/h) | 90 mph (144.84 km/h) |
| 85 mph (136.79 km/h) | 95.63 mph (153.89 km/h) |
| 90 mph (144.84 km/h) | 101.25 mph (162.95 km/h) |
| 95 mph (152.89 km/h) | 106.88 mph (172 km/h) |
| 100 mph (160.93 km/h) | 112.5 mph (181.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1936 | 2250 | 2423 | 2530 | 2645 | 2728 | 2818 | 2925 | 3074 | 3222 | 3387 | 3519 | 3758 | 4021 | 4227 | 4359 | 4433 | 4705 | 5084 | 5908 |
Better Fuel Economy Factory Ratios Increased Power
