Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/82-13 | 170/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.01 (584.4) | 23.71 (602.2) | 0.7 (17.8) 3% |
| Width inches (mm) | 6.1 (155) | 6.69 (170) | 0.59 (15) 9.7% |
| Circum. inches (mm) | 72.28 (1835.95) | 74.48 (1891.87) | 2.2 (55.92) 3% |
| Sidewall Height inches (mm) | 5 (127.1) | 5.35 (136) | 0.35 (8.9) 7% |
| Revolutions per mile (km) | 876.57 (544.68) | 850.66 (528.58) | -25.91 (-16.1) -3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.61 mph (33.17 km/h) |
| 25 mph (40.23 km/h) | 25.76 mph (41.46 km/h) |
| 30 mph (48.28 km/h) | 30.91 mph (49.75 km/h) |
| 35 mph (56.33 km/h) | 36.07 mph (58.04 km/h) |
| 40 mph (64.37 km/h) | 41.22 mph (66.33 km/h) |
| 45 mph (72.42 km/h) | 46.37 mph (74.63 km/h) |
| 50 mph (80.47 km/h) | 51.52 mph (82.92 km/h) |
| 55 mph (88.51 km/h) | 56.68 mph (91.21 km/h) |
| 60 mph (96.56 km/h) | 61.83 mph (99.5 km/h) |
| 65 mph (104.61 km/h) | 66.98 mph (107.79 km/h) |
| 70 mph (112.65 km/h) | 72.13 mph (116.09 km/h) |
| 75 mph (120.7 km/h) | 77.28 mph (124.38 km/h) |
| 80 mph (128.75 km/h) | 82.44 mph (132.67 km/h) |
| 85 mph (136.79 km/h) | 87.59 mph (140.96 km/h) |
| 90 mph (144.84 km/h) | 92.74 mph (149.25 km/h) |
| 95 mph (152.89 km/h) | 97.89 mph (157.54 km/h) |
| 100 mph (160.93 km/h) | 103.05 mph (165.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2165 | 2515 | 2708 | 2828 | 2957 | 3049 | 3150 | 3270 | 3436 | 3602 | 3786 | 3933 | 4201 | 4495 | 4726 | 4873 | 4956 | 5260 | 5684 | 6605 |
Better Fuel Economy Factory Ratios Increased Power
