Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/60-15 | 190/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.5 (597) | 23.98 (609) | 0.47 (12) 2% |
| Width inches (mm) | 7.09 (180) | 7.48 (190) | 0.39 (10) 5.6% |
| Circum. inches (mm) | 73.84 (1875.53) | 75.32 (1913.23) | 1.48 (37.7) 2% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.49 (114) | 0.24 (6) 5.6% |
| Revolutions per mile (km) | 858.07 (533.18) | 841.17 (522.68) | -16.91 (-10.51) -2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.4 mph (32.83 km/h) |
| 25 mph (40.23 km/h) | 25.5 mph (41.04 km/h) |
| 30 mph (48.28 km/h) | 30.6 mph (49.25 km/h) |
| 35 mph (56.33 km/h) | 35.7 mph (57.46 km/h) |
| 40 mph (64.37 km/h) | 40.8 mph (65.67 km/h) |
| 45 mph (72.42 km/h) | 45.9 mph (73.88 km/h) |
| 50 mph (80.47 km/h) | 51.01 mph (82.08 km/h) |
| 55 mph (88.51 km/h) | 56.11 mph (90.29 km/h) |
| 60 mph (96.56 km/h) | 61.21 mph (98.5 km/h) |
| 65 mph (104.61 km/h) | 66.31 mph (106.71 km/h) |
| 70 mph (112.65 km/h) | 71.41 mph (114.92 km/h) |
| 75 mph (120.7 km/h) | 76.51 mph (123.13 km/h) |
| 80 mph (128.75 km/h) | 81.61 mph (131.34 km/h) |
| 85 mph (136.79 km/h) | 86.71 mph (139.54 km/h) |
| 90 mph (144.84 km/h) | 91.81 mph (147.75 km/h) |
| 95 mph (152.89 km/h) | 96.91 mph (155.96 km/h) |
| 100 mph (160.93 km/h) | 102.01 mph (164.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2141 | 2487 | 2678 | 2796 | 2924 | 3015 | 3115 | 3234 | 3398 | 3562 | 3744 | 3890 | 4154 | 4445 | 4673 | 4819 | 4901 | 5201 | 5620 | 6531 |
Better Fuel Economy Factory Ratios Increased Power
