Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/70-19.5 | 245/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.66 (880.3) | 26.72 (678.6) | -7.94 (-201.7) -22.9% |
| Width inches (mm) | 10.83 (275) | 9.65 (245) | -1.18 (-30) -10.9% |
| Circum. inches (mm) | 108.88 (2765.54) | 83.93 (2131.88) | -24.95 (-633.66) -22.9% |
| Sidewall Height inches (mm) | 7.58 (192.5) | 3.86 (98) | -3.72 (-94.5) -49.1% |
| Revolutions per mile (km) | 581.93 (361.59) | 754.89 (469.07) | 172.97 (107.48) 29.7% |
245/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.42 mph (24.81 km/h) |
| 25 mph (40.23 km/h) | 19.27 mph (31.02 km/h) |
| 30 mph (48.28 km/h) | 23.13 mph (37.22 km/h) |
| 35 mph (56.33 km/h) | 26.98 mph (43.42 km/h) |
| 40 mph (64.37 km/h) | 30.83 mph (49.62 km/h) |
| 45 mph (72.42 km/h) | 34.69 mph (55.83 km/h) |
| 50 mph (80.47 km/h) | 38.54 mph (62.03 km/h) |
| 55 mph (88.51 km/h) | 42.4 mph (68.23 km/h) |
| 60 mph (96.56 km/h) | 46.25 mph (74.44 km/h) |
| 65 mph (104.61 km/h) | 50.11 mph (80.64 km/h) |
| 70 mph (112.65 km/h) | 53.96 mph (86.84 km/h) |
| 75 mph (120.7 km/h) | 57.82 mph (93.05 km/h) |
| 80 mph (128.75 km/h) | 61.67 mph (99.25 km/h) |
| 85 mph (136.79 km/h) | 65.52 mph (105.45 km/h) |
| 90 mph (144.84 km/h) | 69.38 mph (111.65 km/h) |
| 95 mph (152.89 km/h) | 73.23 mph (117.86 km/h) |
| 100 mph (160.93 km/h) | 77.09 mph (124.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1921 | 2232 | 2403 | 2510 | 2624 | 2706 | 2796 | 2902 | 3049 | 3196 | 3360 | 3491 | 3728 | 3989 | 4194 | 4324 | 4398 | 4668 | 5044 | 5861 |
Better Fuel Economy Factory Ratios Increased Power
