Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/35-19 | 245/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.2 (640.1) | 26.72 (678.6) | 1.52 (38.5) 6% |
| Width inches (mm) | 8.86 (225) | 9.65 (245) | 0.79 (20) 8.9% |
| Circum. inches (mm) | 79.17 (2010.93) | 83.93 (2131.88) | 4.76 (120.95) 6% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 3.86 (98) | 0.76 (19.25) 24.4% |
| Revolutions per mile (km) | 800.3 (497.28) | 754.89 (469.07) | -45.4 (-28.21) -5.7% |
245/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.2 mph (34.12 km/h) |
| 25 mph (40.23 km/h) | 26.5 mph (42.65 km/h) |
| 30 mph (48.28 km/h) | 31.8 mph (51.18 km/h) |
| 35 mph (56.33 km/h) | 37.11 mph (59.72 km/h) |
| 40 mph (64.37 km/h) | 42.41 mph (68.25 km/h) |
| 45 mph (72.42 km/h) | 47.71 mph (76.78 km/h) |
| 50 mph (80.47 km/h) | 53.01 mph (85.31 km/h) |
| 55 mph (88.51 km/h) | 58.31 mph (93.84 km/h) |
| 60 mph (96.56 km/h) | 63.61 mph (102.37 km/h) |
| 65 mph (104.61 km/h) | 68.91 mph (110.9 km/h) |
| 70 mph (112.65 km/h) | 74.21 mph (119.43 km/h) |
| 75 mph (120.7 km/h) | 79.51 mph (127.96 km/h) |
| 80 mph (128.75 km/h) | 84.81 mph (136.49 km/h) |
| 85 mph (136.79 km/h) | 90.11 mph (145.02 km/h) |
| 90 mph (144.84 km/h) | 95.41 mph (153.55 km/h) |
| 95 mph (152.89 km/h) | 100.71 mph (162.08 km/h) |
| 100 mph (160.93 km/h) | 106.01 mph (170.61 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
