Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/35-19 | 245/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.03 (661.1) | 26.72 (678.6) | 0.69 (17.5) 2.6% |
| Width inches (mm) | 10.04 (255) | 9.65 (245) | -0.39 (-10) -3.9% |
| Circum. inches (mm) | 81.77 (2076.91) | 83.93 (2131.88) | 2.16 (54.98) 2.6% |
| Sidewall Height inches (mm) | 3.51 (89.25) | 3.86 (98) | 0.34 (8.75) 9.8% |
| Revolutions per mile (km) | 774.88 (481.48) | 754.89 (469.07) | -19.98 (-12.42) -2.6% |
245/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.53 mph (33.04 km/h) |
| 25 mph (40.23 km/h) | 25.66 mph (41.3 km/h) |
| 30 mph (48.28 km/h) | 30.79 mph (49.56 km/h) |
| 35 mph (56.33 km/h) | 35.93 mph (57.82 km/h) |
| 40 mph (64.37 km/h) | 41.06 mph (66.08 km/h) |
| 45 mph (72.42 km/h) | 46.19 mph (74.34 km/h) |
| 50 mph (80.47 km/h) | 51.32 mph (82.6 km/h) |
| 55 mph (88.51 km/h) | 56.46 mph (90.86 km/h) |
| 60 mph (96.56 km/h) | 61.59 mph (99.12 km/h) |
| 65 mph (104.61 km/h) | 66.72 mph (107.38 km/h) |
| 70 mph (112.65 km/h) | 71.85 mph (115.64 km/h) |
| 75 mph (120.7 km/h) | 76.99 mph (123.9 km/h) |
| 80 mph (128.75 km/h) | 82.12 mph (132.16 km/h) |
| 85 mph (136.79 km/h) | 87.25 mph (140.42 km/h) |
| 90 mph (144.84 km/h) | 92.38 mph (148.68 km/h) |
| 95 mph (152.89 km/h) | 97.51 mph (156.94 km/h) |
| 100 mph (160.93 km/h) | 102.65 mph (165.19 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
