Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-13 | 165/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.54 (547.2) | 23.39 (594.2) | 1.85 (47) 8.6% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 67.68 (1719.08) | 73.49 (1866.73) | 5.81 (147.65) 8.6% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 5.2 (132) | 0.93 (23.5) 21.7% |
| Revolutions per mile (km) | 936.17 (581.71) | 862.12 (535.69) | -74.05 (-46.01) -7.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.72 mph (34.95 km/h) |
| 25 mph (40.23 km/h) | 27.15 mph (43.69 km/h) |
| 30 mph (48.28 km/h) | 32.58 mph (52.43 km/h) |
| 35 mph (56.33 km/h) | 38.01 mph (61.17 km/h) |
| 40 mph (64.37 km/h) | 43.44 mph (69.9 km/h) |
| 45 mph (72.42 km/h) | 48.87 mph (78.64 km/h) |
| 50 mph (80.47 km/h) | 54.29 mph (87.38 km/h) |
| 55 mph (88.51 km/h) | 59.72 mph (96.12 km/h) |
| 60 mph (96.56 km/h) | 65.15 mph (104.85 km/h) |
| 65 mph (104.61 km/h) | 70.58 mph (113.59 km/h) |
| 70 mph (112.65 km/h) | 76.01 mph (122.33 km/h) |
| 75 mph (120.7 km/h) | 81.44 mph (131.07 km/h) |
| 80 mph (128.75 km/h) | 86.87 mph (139.81 km/h) |
| 85 mph (136.79 km/h) | 92.3 mph (148.54 km/h) |
| 90 mph (144.84 km/h) | 97.73 mph (157.28 km/h) |
| 95 mph (152.89 km/h) | 103.16 mph (166.02 km/h) |
| 100 mph (160.93 km/h) | 108.59 mph (174.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2194 | 2549 | 2745 | 2866 | 2997 | 3090 | 3193 | 3314 | 3482 | 3650 | 3837 | 3986 | 4257 | 4556 | 4789 | 4939 | 5023 | 5331 | 5760 | 6694 |
Better Fuel Economy Factory Ratios Increased Power
