Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/60-18 | 155/60-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.32 (643.2) | 29.32 (744.8) | 4 (101.6) 15.8% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 79.55 (2020.67) | 92.12 (2339.86) | 12.57 (319.19) 15.8% |
| Sidewall Height inches (mm) | 3.66 (93) | 3.66 (93) | 0 (0) 0% |
| Revolutions per mile (km) | 796.44 (494.88) | 687.8 (427.38) | -108.64 (-67.51) -13.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.16 mph (37.27 km/h) |
| 25 mph (40.23 km/h) | 28.95 mph (46.59 km/h) |
| 30 mph (48.28 km/h) | 34.74 mph (55.91 km/h) |
| 35 mph (56.33 km/h) | 40.53 mph (65.22 km/h) |
| 40 mph (64.37 km/h) | 46.32 mph (74.54 km/h) |
| 45 mph (72.42 km/h) | 52.11 mph (83.86 km/h) |
| 50 mph (80.47 km/h) | 57.9 mph (93.18 km/h) |
| 55 mph (88.51 km/h) | 63.69 mph (102.5 km/h) |
| 60 mph (96.56 km/h) | 69.48 mph (111.81 km/h) |
| 65 mph (104.61 km/h) | 75.27 mph (121.13 km/h) |
| 70 mph (112.65 km/h) | 81.06 mph (130.45 km/h) |
| 75 mph (120.7 km/h) | 86.85 mph (139.77 km/h) |
| 80 mph (128.75 km/h) | 92.64 mph (149.08 km/h) |
| 85 mph (136.79 km/h) | 98.43 mph (158.4 km/h) |
| 90 mph (144.84 km/h) | 104.22 mph (167.72 km/h) |
| 95 mph (152.89 km/h) | 110.01 mph (177.04 km/h) |
| 100 mph (160.93 km/h) | 115.8 mph (186.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1750 | 2033 | 2190 | 2287 | 2391 | 2465 | 2547 | 2644 | 2778 | 2912 | 3061 | 3180 | 3396 | 3635 | 3821 | 3940 | 4007 | 4253 | 4595 | 5340 |
Better Fuel Economy Factory Ratios Increased Power
