Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/45-19 | 270/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.57 (725.6) | 27.5 (698.6) | -1.06 (-27) -3.7% |
| Width inches (mm) | 10.63 (270) | 10.63 (270) | 0 (0) 0% |
| Circum. inches (mm) | 89.75 (2279.54) | 86.41 (2194.72) | -3.34 (-84.82) -3.7% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 4.25 (108) | -0.53 (-13.5) -11.1% |
| Revolutions per mile (km) | 706 (438.68) | 733.28 (455.64) | 27.29 (16.95) 3.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.26 mph (30.99 km/h) |
| 25 mph (40.23 km/h) | 24.07 mph (38.74 km/h) |
| 30 mph (48.28 km/h) | 28.88 mph (46.48 km/h) |
| 35 mph (56.33 km/h) | 33.7 mph (54.23 km/h) |
| 40 mph (64.37 km/h) | 38.51 mph (61.98 km/h) |
| 45 mph (72.42 km/h) | 43.33 mph (69.73 km/h) |
| 50 mph (80.47 km/h) | 48.14 mph (77.47 km/h) |
| 55 mph (88.51 km/h) | 52.95 mph (85.22 km/h) |
| 60 mph (96.56 km/h) | 57.77 mph (92.97 km/h) |
| 65 mph (104.61 km/h) | 62.58 mph (100.72 km/h) |
| 70 mph (112.65 km/h) | 67.4 mph (108.46 km/h) |
| 75 mph (120.7 km/h) | 72.21 mph (116.21 km/h) |
| 80 mph (128.75 km/h) | 77.02 mph (123.96 km/h) |
| 85 mph (136.79 km/h) | 81.84 mph (131.7 km/h) |
| 90 mph (144.84 km/h) | 86.65 mph (139.45 km/h) |
| 95 mph (152.89 km/h) | 91.46 mph (147.2 km/h) |
| 100 mph (160.93 km/h) | 96.28 mph (154.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1866 | 2168 | 2335 | 2438 | 2549 | 2628 | 2716 | 2819 | 2962 | 3105 | 3264 | 3391 | 3621 | 3875 | 4074 | 4201 | 4272 | 4534 | 4899 | 5693 |
Better Fuel Economy Factory Ratios Increased Power
