Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/40-19 | 245/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.4 (670.6) | 26.72 (678.6) | 0.31 (8) 1.2% |
| Width inches (mm) | 9.25 (235) | 9.65 (245) | 0.39 (10) 4.3% |
| Circum. inches (mm) | 82.94 (2106.75) | 83.93 (2131.88) | 0.99 (25.13) 1.2% |
| Sidewall Height inches (mm) | 3.7 (94) | 3.86 (98) | 0.16 (4) 4.3% |
| Revolutions per mile (km) | 763.9 (474.66) | 754.89 (469.07) | -9.01 (-5.6) -1.2% |
245/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.24 mph (32.57 km/h) |
| 25 mph (40.23 km/h) | 25.3 mph (40.71 km/h) |
| 30 mph (48.28 km/h) | 30.36 mph (48.86 km/h) |
| 35 mph (56.33 km/h) | 35.42 mph (57 km/h) |
| 40 mph (64.37 km/h) | 40.48 mph (65.14 km/h) |
| 45 mph (72.42 km/h) | 45.54 mph (73.28 km/h) |
| 50 mph (80.47 km/h) | 50.6 mph (81.43 km/h) |
| 55 mph (88.51 km/h) | 55.66 mph (89.57 km/h) |
| 60 mph (96.56 km/h) | 60.72 mph (97.71 km/h) |
| 65 mph (104.61 km/h) | 65.78 mph (105.86 km/h) |
| 70 mph (112.65 km/h) | 70.84 mph (114 km/h) |
| 75 mph (120.7 km/h) | 75.89 mph (122.14 km/h) |
| 80 mph (128.75 km/h) | 80.95 mph (130.28 km/h) |
| 85 mph (136.79 km/h) | 86.01 mph (138.43 km/h) |
| 90 mph (144.84 km/h) | 91.07 mph (146.57 km/h) |
| 95 mph (152.89 km/h) | 96.13 mph (154.71 km/h) |
| 100 mph (160.93 km/h) | 101.19 mph (162.85 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
