Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/70-19.5 | 245/90-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.66 (880.3) | 36.86 (936.3) | 2.2 (56) 6.4% |
| Width inches (mm) | 10.83 (275) | 9.65 (245) | -1.18 (-30) -10.9% |
| Circum. inches (mm) | 108.88 (2765.54) | 115.81 (2941.47) | 6.93 (175.93) 6.4% |
| Sidewall Height inches (mm) | 7.58 (192.5) | 8.68 (220.5) | 1.1 (28) 14.5% |
| Revolutions per mile (km) | 581.93 (361.59) | 547.12 (339.97) | -34.8 (-21.63) -6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.27 mph (34.23 km/h) |
| 25 mph (40.23 km/h) | 26.59 mph (42.79 km/h) |
| 30 mph (48.28 km/h) | 31.91 mph (51.35 km/h) |
| 35 mph (56.33 km/h) | 37.23 mph (59.91 km/h) |
| 40 mph (64.37 km/h) | 42.54 mph (68.47 km/h) |
| 45 mph (72.42 km/h) | 47.86 mph (77.03 km/h) |
| 50 mph (80.47 km/h) | 53.18 mph (85.59 km/h) |
| 55 mph (88.51 km/h) | 58.5 mph (94.14 km/h) |
| 60 mph (96.56 km/h) | 63.82 mph (102.7 km/h) |
| 65 mph (104.61 km/h) | 69.13 mph (111.26 km/h) |
| 70 mph (112.65 km/h) | 74.45 mph (119.82 km/h) |
| 75 mph (120.7 km/h) | 79.77 mph (128.38 km/h) |
| 80 mph (128.75 km/h) | 85.09 mph (136.94 km/h) |
| 85 mph (136.79 km/h) | 90.41 mph (145.5 km/h) |
| 90 mph (144.84 km/h) | 95.73 mph (154.06 km/h) |
| 95 mph (152.89 km/h) | 101.04 mph (162.61 km/h) |
| 100 mph (160.93 km/h) | 106.36 mph (171.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1392 | 1617 | 1742 | 1819 | 1902 | 1961 | 2026 | 2103 | 2210 | 2317 | 2435 | 2530 | 2702 | 2891 | 3039 | 3134 | 3188 | 3383 | 3656 | 4248 |
Better Fuel Economy Factory Ratios Increased Power
