Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-19 | 305/70-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.61 (853.6) | 36.31 (922.3) | 2.7 (68.7) 8% |
| Width inches (mm) | 10.43 (265) | 12.01 (305) | 1.57 (40) 15.1% |
| Circum. inches (mm) | 105.58 (2681.66) | 114.07 (2897.49) | 8.5 (215.83) 8% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 8.41 (213.5) | 1.1 (28) 15.1% |
| Revolutions per mile (km) | 600.13 (372.9) | 555.43 (345.13) | -44.7 (-27.78) -7.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.61 mph (34.78 km/h) |
| 25 mph (40.23 km/h) | 27.01 mph (43.47 km/h) |
| 30 mph (48.28 km/h) | 32.41 mph (52.17 km/h) |
| 35 mph (56.33 km/h) | 37.82 mph (60.86 km/h) |
| 40 mph (64.37 km/h) | 43.22 mph (69.55 km/h) |
| 45 mph (72.42 km/h) | 48.62 mph (78.25 km/h) |
| 50 mph (80.47 km/h) | 54.02 mph (86.94 km/h) |
| 55 mph (88.51 km/h) | 59.43 mph (95.64 km/h) |
| 60 mph (96.56 km/h) | 64.83 mph (104.33 km/h) |
| 65 mph (104.61 km/h) | 70.23 mph (113.03 km/h) |
| 70 mph (112.65 km/h) | 75.63 mph (121.72 km/h) |
| 75 mph (120.7 km/h) | 81.04 mph (130.42 km/h) |
| 80 mph (128.75 km/h) | 86.44 mph (139.11 km/h) |
| 85 mph (136.79 km/h) | 91.84 mph (147.8 km/h) |
| 90 mph (144.84 km/h) | 97.24 mph (156.5 km/h) |
| 95 mph (152.89 km/h) | 102.65 mph (165.19 km/h) |
| 100 mph (160.93 km/h) | 108.05 mph (173.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1413 | 1642 | 1768 | 1847 | 1931 | 1991 | 2057 | 2135 | 2243 | 2352 | 2472 | 2568 | 2743 | 2935 | 3086 | 3182 | 3236 | 3434 | 3711 | 4313 |
Better Fuel Economy Factory Ratios Increased Power
