Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-13 | 170/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.15 (511.7) | 22.37 (568.2) | 2.22 (56.5) 11% |
| Width inches (mm) | 6.5 (165) | 6.69 (170) | 0.2 (5) 3% |
| Circum. inches (mm) | 63.29 (1607.55) | 70.28 (1785.05) | 6.99 (177.5) 11% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 4.69 (119) | 1.11 (28.25) 31.1% |
| Revolutions per mile (km) | 1001.11 (622.06) | 901.57 (560.21) | -99.55 (-61.86) -9.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.21 mph (35.74 km/h) |
| 25 mph (40.23 km/h) | 27.76 mph (44.68 km/h) |
| 30 mph (48.28 km/h) | 33.31 mph (53.61 km/h) |
| 35 mph (56.33 km/h) | 38.86 mph (62.55 km/h) |
| 40 mph (64.37 km/h) | 44.42 mph (71.48 km/h) |
| 45 mph (72.42 km/h) | 49.97 mph (80.42 km/h) |
| 50 mph (80.47 km/h) | 55.52 mph (89.35 km/h) |
| 55 mph (88.51 km/h) | 61.07 mph (98.29 km/h) |
| 60 mph (96.56 km/h) | 66.62 mph (107.22 km/h) |
| 65 mph (104.61 km/h) | 72.18 mph (116.16 km/h) |
| 70 mph (112.65 km/h) | 77.73 mph (125.09 km/h) |
| 75 mph (120.7 km/h) | 83.28 mph (134.03 km/h) |
| 80 mph (128.75 km/h) | 88.83 mph (142.96 km/h) |
| 85 mph (136.79 km/h) | 94.39 mph (151.9 km/h) |
| 90 mph (144.84 km/h) | 99.94 mph (160.83 km/h) |
| 95 mph (152.89 km/h) | 105.49 mph (169.77 km/h) |
| 100 mph (160.93 km/h) | 111.04 mph (178.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2294 | 2665 | 2870 | 2997 | 3134 | 3232 | 3339 | 3466 | 3642 | 3817 | 4013 | 4169 | 4452 | 4764 | 5008 | 5165 | 5253 | 5575 | 6024 | 7000 |
Better Fuel Economy Factory Ratios Increased Power
