Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/60-15 | 174/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.98 (609) | 22.22 (564.4) | -1.76 (-44.6) -7.3% |
| Width inches (mm) | 7.48 (190) | 6.85 (174) | -0.63 (-16) -8.4% |
| Circum. inches (mm) | 75.32 (1913.23) | 69.81 (1773.11) | -5.52 (-140.12) -7.3% |
| Sidewall Height inches (mm) | 4.49 (114) | 4.11 (104.4) | -0.38 (-9.6) -8.4% |
| Revolutions per mile (km) | 841.17 (522.68) | 907.64 (563.98) | 66.47 (41.3) 7.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.54 mph (29.83 km/h) |
| 25 mph (40.23 km/h) | 23.17 mph (37.29 km/h) |
| 30 mph (48.28 km/h) | 27.8 mph (44.74 km/h) |
| 35 mph (56.33 km/h) | 32.44 mph (52.2 km/h) |
| 40 mph (64.37 km/h) | 37.07 mph (59.66 km/h) |
| 45 mph (72.42 km/h) | 41.7 mph (67.12 km/h) |
| 50 mph (80.47 km/h) | 46.34 mph (74.57 km/h) |
| 55 mph (88.51 km/h) | 50.97 mph (82.03 km/h) |
| 60 mph (96.56 km/h) | 55.61 mph (89.49 km/h) |
| 65 mph (104.61 km/h) | 60.24 mph (96.95 km/h) |
| 70 mph (112.65 km/h) | 64.87 mph (104.4 km/h) |
| 75 mph (120.7 km/h) | 69.51 mph (111.86 km/h) |
| 80 mph (128.75 km/h) | 74.14 mph (119.32 km/h) |
| 85 mph (136.79 km/h) | 78.78 mph (126.78 km/h) |
| 90 mph (144.84 km/h) | 83.41 mph (134.23 km/h) |
| 95 mph (152.89 km/h) | 88.04 mph (141.69 km/h) |
| 100 mph (160.93 km/h) | 92.68 mph (149.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2310 | 2683 | 2890 | 3017 | 3155 | 3253 | 3361 | 3489 | 3666 | 3843 | 4040 | 4197 | 4482 | 4796 | 5042 | 5199 | 5288 | 5612 | 6064 | 7047 |
Better Fuel Economy Factory Ratios Increased Power
