Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/65-15 | 155/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.93 (582.5) | 21.71 (551.5) | -1.22 (-31) -5.3% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 72.05 (1829.98) | 68.21 (1732.59) | -3.83 (-97.39) -5.3% |
| Sidewall Height inches (mm) | 3.97 (100.75) | 3.36 (85.25) | -0.61 (-15.5) -15.4% |
| Revolutions per mile (km) | 879.43 (546.45) | 928.87 (577.17) | 49.43 (30.72) 5.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.94 mph (30.47 km/h) |
| 25 mph (40.23 km/h) | 23.67 mph (38.09 km/h) |
| 30 mph (48.28 km/h) | 28.4 mph (45.71 km/h) |
| 35 mph (56.33 km/h) | 33.14 mph (53.33 km/h) |
| 40 mph (64.37 km/h) | 37.87 mph (60.95 km/h) |
| 45 mph (72.42 km/h) | 42.61 mph (68.57 km/h) |
| 50 mph (80.47 km/h) | 47.34 mph (76.18 km/h) |
| 55 mph (88.51 km/h) | 52.07 mph (83.8 km/h) |
| 60 mph (96.56 km/h) | 56.81 mph (91.42 km/h) |
| 65 mph (104.61 km/h) | 61.54 mph (99.04 km/h) |
| 70 mph (112.65 km/h) | 66.27 mph (106.66 km/h) |
| 75 mph (120.7 km/h) | 71.01 mph (114.28 km/h) |
| 80 mph (128.75 km/h) | 75.74 mph (121.9 km/h) |
| 85 mph (136.79 km/h) | 80.48 mph (129.51 km/h) |
| 90 mph (144.84 km/h) | 85.21 mph (137.13 km/h) |
| 95 mph (152.89 km/h) | 89.94 mph (144.75 km/h) |
| 100 mph (160.93 km/h) | 94.68 mph (152.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
