Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/60-16 | 190/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.5 (622.4) | 24.23 (615.4) | -0.28 (-7) -1.1% |
| Width inches (mm) | 7.09 (180) | 7.48 (190) | 0.39 (10) 5.6% |
| Circum. inches (mm) | 76.98 (1955.33) | 76.12 (1933.34) | -0.87 (-21.99) -1.1% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.11 (104.5) | -0.14 (-3.5) -3.2% |
| Revolutions per mile (km) | 823.06 (511.42) | 832.42 (517.24) | 9.36 (5.82) 1.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.78 mph (31.82 km/h) |
| 25 mph (40.23 km/h) | 24.72 mph (39.78 km/h) |
| 30 mph (48.28 km/h) | 29.66 mph (47.74 km/h) |
| 35 mph (56.33 km/h) | 34.61 mph (55.69 km/h) |
| 40 mph (64.37 km/h) | 39.55 mph (63.65 km/h) |
| 45 mph (72.42 km/h) | 44.49 mph (71.61 km/h) |
| 50 mph (80.47 km/h) | 49.44 mph (79.56 km/h) |
| 55 mph (88.51 km/h) | 54.38 mph (87.52 km/h) |
| 60 mph (96.56 km/h) | 59.33 mph (95.47 km/h) |
| 65 mph (104.61 km/h) | 64.27 mph (103.43 km/h) |
| 70 mph (112.65 km/h) | 69.21 mph (111.39 km/h) |
| 75 mph (120.7 km/h) | 74.16 mph (119.34 km/h) |
| 80 mph (128.75 km/h) | 79.1 mph (127.3 km/h) |
| 85 mph (136.79 km/h) | 84.04 mph (135.26 km/h) |
| 90 mph (144.84 km/h) | 88.99 mph (143.21 km/h) |
| 95 mph (152.89 km/h) | 93.93 mph (151.17 km/h) |
| 100 mph (160.93 km/h) | 98.88 mph (159.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2118 | 2461 | 2650 | 2767 | 2894 | 2984 | 3083 | 3200 | 3362 | 3525 | 3705 | 3849 | 4110 | 4399 | 4624 | 4769 | 4850 | 5147 | 5562 | 6463 |
Better Fuel Economy Factory Ratios Increased Power
