Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-19 | 255/65-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.76 (730.6) | 32.05 (814.1) | 3.29 (83.5) 11.4% |
| Width inches (mm) | 6.1 (155) | 10.04 (255) | 3.94 (100) 64.5% |
| Circum. inches (mm) | 90.36 (2295.25) | 100.69 (2557.57) | 10.33 (262.32) 11.4% |
| Sidewall Height inches (mm) | 4.88 (124) | 6.53 (165.75) | 1.64 (41.75) 33.7% |
| Revolutions per mile (km) | 701.16 (435.68) | 629.25 (391) | -71.92 (-44.69) -10.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.29 mph (35.87 km/h) |
| 25 mph (40.23 km/h) | 27.86 mph (44.83 km/h) |
| 30 mph (48.28 km/h) | 33.43 mph (53.8 km/h) |
| 35 mph (56.33 km/h) | 39 mph (62.76 km/h) |
| 40 mph (64.37 km/h) | 44.57 mph (71.73 km/h) |
| 45 mph (72.42 km/h) | 50.14 mph (80.7 km/h) |
| 50 mph (80.47 km/h) | 55.71 mph (89.66 km/h) |
| 55 mph (88.51 km/h) | 61.29 mph (98.63 km/h) |
| 60 mph (96.56 km/h) | 66.86 mph (107.6 km/h) |
| 65 mph (104.61 km/h) | 72.43 mph (116.56 km/h) |
| 70 mph (112.65 km/h) | 78 mph (125.53 km/h) |
| 75 mph (120.7 km/h) | 83.57 mph (134.5 km/h) |
| 80 mph (128.75 km/h) | 89.14 mph (143.46 km/h) |
| 85 mph (136.79 km/h) | 94.71 mph (152.43 km/h) |
| 90 mph (144.84 km/h) | 100.29 mph (161.4 km/h) |
| 95 mph (152.89 km/h) | 105.86 mph (170.36 km/h) |
| 100 mph (160.93 km/h) | 111.43 mph (179.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1601 | 1860 | 2003 | 2092 | 2187 | 2255 | 2330 | 2419 | 2542 | 2664 | 2801 | 2910 | 3107 | 3325 | 3496 | 3605 | 3666 | 3891 | 4204 | 4886 |
Better Fuel Economy Factory Ratios Increased Power
