Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-13 | 180/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.65 (600.8) | 24.34 (618.2) | 0.69 (17.4) 2.9% |
| Width inches (mm) | 6.5 (165) | 7.09 (180) | 0.59 (15) 9.1% |
| Circum. inches (mm) | 74.31 (1887.47) | 76.46 (1942.13) | 2.15 (54.66) 2.9% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 5.67 (144) | 0.34 (8.7) 6.4% |
| Revolutions per mile (km) | 852.65 (529.81) | 828.65 (514.9) | -24 (-14.91) -2.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.58 mph (33.12 km/h) |
| 25 mph (40.23 km/h) | 25.72 mph (41.4 km/h) |
| 30 mph (48.28 km/h) | 30.87 mph (49.68 km/h) |
| 35 mph (56.33 km/h) | 36.01 mph (57.96 km/h) |
| 40 mph (64.37 km/h) | 41.16 mph (66.24 km/h) |
| 45 mph (72.42 km/h) | 46.3 mph (74.52 km/h) |
| 50 mph (80.47 km/h) | 51.45 mph (82.8 km/h) |
| 55 mph (88.51 km/h) | 56.59 mph (91.08 km/h) |
| 60 mph (96.56 km/h) | 61.74 mph (99.36 km/h) |
| 65 mph (104.61 km/h) | 66.88 mph (107.64 km/h) |
| 70 mph (112.65 km/h) | 72.03 mph (115.92 km/h) |
| 75 mph (120.7 km/h) | 77.17 mph (124.2 km/h) |
| 80 mph (128.75 km/h) | 82.32 mph (132.48 km/h) |
| 85 mph (136.79 km/h) | 87.46 mph (140.76 km/h) |
| 90 mph (144.84 km/h) | 92.61 mph (149.04 km/h) |
| 95 mph (152.89 km/h) | 97.75 mph (157.32 km/h) |
| 100 mph (160.93 km/h) | 102.9 mph (165.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2109 | 2450 | 2638 | 2755 | 2880 | 2970 | 3069 | 3186 | 3347 | 3509 | 3688 | 3832 | 4092 | 4379 | 4603 | 4747 | 4828 | 5124 | 5537 | 6434 |
Better Fuel Economy Factory Ratios Increased Power
