Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/65-13 | 165/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.93 (531.7) | 22.09 (561.2) | 1.16 (29.5) 5.5% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 65.76 (1670.38) | 69.41 (1763.06) | 3.65 (92.68) 5.5% |
| Sidewall Height inches (mm) | 3.97 (100.75) | 4.55 (115.5) | 0.58 (14.75) 14.6% |
| Revolutions per mile (km) | 963.46 (598.66) | 912.81 (567.19) | -50.65 (-31.47) -5.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.11 mph (33.97 km/h) |
| 25 mph (40.23 km/h) | 26.39 mph (42.47 km/h) |
| 30 mph (48.28 km/h) | 31.66 mph (50.96 km/h) |
| 35 mph (56.33 km/h) | 36.94 mph (59.45 km/h) |
| 40 mph (64.37 km/h) | 42.22 mph (67.95 km/h) |
| 45 mph (72.42 km/h) | 47.5 mph (76.44 km/h) |
| 50 mph (80.47 km/h) | 52.77 mph (84.93 km/h) |
| 55 mph (88.51 km/h) | 58.05 mph (93.43 km/h) |
| 60 mph (96.56 km/h) | 63.33 mph (101.92 km/h) |
| 65 mph (104.61 km/h) | 68.61 mph (110.41 km/h) |
| 70 mph (112.65 km/h) | 73.88 mph (118.9 km/h) |
| 75 mph (120.7 km/h) | 79.16 mph (127.4 km/h) |
| 80 mph (128.75 km/h) | 84.44 mph (135.89 km/h) |
| 85 mph (136.79 km/h) | 89.72 mph (144.38 km/h) |
| 90 mph (144.84 km/h) | 94.99 mph (152.88 km/h) |
| 95 mph (152.89 km/h) | 100.27 mph (161.37 km/h) |
| 100 mph (160.93 km/h) | 105.55 mph (169.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2323 | 2699 | 2906 | 3035 | 3173 | 3272 | 3381 | 3509 | 3687 | 3865 | 4063 | 4221 | 4507 | 4824 | 5071 | 5229 | 5318 | 5644 | 6099 | 7087 |
Better Fuel Economy Factory Ratios Increased Power
