Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-13 | 180/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.65 (600.8) | 23.21 (589.6) | -0.44 (-11.2) -1.9% |
| Width inches (mm) | 6.5 (165) | 7.09 (180) | 0.59 (15) 9.1% |
| Circum. inches (mm) | 74.31 (1887.47) | 72.92 (1852.28) | -1.39 (-35.19) -1.9% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 4.61 (117) | -0.72 (-18.3) -13.5% |
| Revolutions per mile (km) | 852.65 (529.81) | 868.84 (539.87) | 16.2 (10.06) 1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.63 mph (31.59 km/h) |
| 25 mph (40.23 km/h) | 24.53 mph (39.48 km/h) |
| 30 mph (48.28 km/h) | 29.44 mph (47.38 km/h) |
| 35 mph (56.33 km/h) | 34.35 mph (55.28 km/h) |
| 40 mph (64.37 km/h) | 39.25 mph (63.17 km/h) |
| 45 mph (72.42 km/h) | 44.16 mph (71.07 km/h) |
| 50 mph (80.47 km/h) | 49.07 mph (78.97 km/h) |
| 55 mph (88.51 km/h) | 53.97 mph (86.86 km/h) |
| 60 mph (96.56 km/h) | 58.88 mph (94.76 km/h) |
| 65 mph (104.61 km/h) | 63.79 mph (102.66 km/h) |
| 70 mph (112.65 km/h) | 68.7 mph (110.55 km/h) |
| 75 mph (120.7 km/h) | 73.6 mph (118.45 km/h) |
| 80 mph (128.75 km/h) | 78.51 mph (126.35 km/h) |
| 85 mph (136.79 km/h) | 83.42 mph (134.24 km/h) |
| 90 mph (144.84 km/h) | 88.32 mph (142.14 km/h) |
| 95 mph (152.89 km/h) | 93.23 mph (150.04 km/h) |
| 100 mph (160.93 km/h) | 98.14 mph (157.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2211 | 2569 | 2766 | 2888 | 3020 | 3114 | 3218 | 3340 | 3509 | 3679 | 3867 | 4018 | 4290 | 4591 | 4827 | 4977 | 5062 | 5372 | 5805 | 6746 |
Better Fuel Economy Factory Ratios Increased Power
