Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/65-13 | 155/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.96 (557.7) | 21.54 (547.2) | -0.41 (-10.5) -1.9% |
| Width inches (mm) | 6.89 (175) | 6.1 (155) | -0.79 (-20) -11.4% |
| Circum. inches (mm) | 68.98 (1752.07) | 67.68 (1719.08) | -1.3 (-32.99) -1.9% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 4.27 (108.5) | -0.21 (-5.25) -4.6% |
| Revolutions per mile (km) | 918.54 (570.75) | 936.17 (581.71) | 17.63 (10.95) 1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.62 mph (31.58 km/h) |
| 25 mph (40.23 km/h) | 24.53 mph (39.48 km/h) |
| 30 mph (48.28 km/h) | 29.44 mph (47.37 km/h) |
| 35 mph (56.33 km/h) | 34.34 mph (55.27 km/h) |
| 40 mph (64.37 km/h) | 39.25 mph (63.16 km/h) |
| 45 mph (72.42 km/h) | 44.15 mph (71.06 km/h) |
| 50 mph (80.47 km/h) | 49.06 mph (78.95 km/h) |
| 55 mph (88.51 km/h) | 53.96 mph (86.85 km/h) |
| 60 mph (96.56 km/h) | 58.87 mph (94.74 km/h) |
| 65 mph (104.61 km/h) | 63.78 mph (102.64 km/h) |
| 70 mph (112.65 km/h) | 68.68 mph (110.53 km/h) |
| 75 mph (120.7 km/h) | 73.59 mph (118.43 km/h) |
| 80 mph (128.75 km/h) | 78.49 mph (126.32 km/h) |
| 85 mph (136.79 km/h) | 83.4 mph (134.22 km/h) |
| 90 mph (144.84 km/h) | 88.31 mph (142.11 km/h) |
| 95 mph (152.89 km/h) | 93.21 mph (150.01 km/h) |
| 100 mph (160.93 km/h) | 98.12 mph (157.9 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
