Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-16 | 245/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.44 (595.4) | 26.72 (678.6) | 3.28 (83.2) 14% |
| Width inches (mm) | 5.31 (135) | 9.65 (245) | 4.33 (110) 81.5% |
| Circum. inches (mm) | 73.64 (1870.5) | 83.93 (2131.88) | 10.29 (261.38) 14% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.86 (98) | 0.14 (3.5) 3.7% |
| Revolutions per mile (km) | 860.38 (534.61) | 754.89 (469.07) | -105.49 (-65.55) -12.3% |
245/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.79 mph (36.68 km/h) |
| 25 mph (40.23 km/h) | 28.49 mph (45.86 km/h) |
| 30 mph (48.28 km/h) | 34.19 mph (55.03 km/h) |
| 35 mph (56.33 km/h) | 39.89 mph (64.2 km/h) |
| 40 mph (64.37 km/h) | 45.59 mph (73.37 km/h) |
| 45 mph (72.42 km/h) | 51.29 mph (82.54 km/h) |
| 50 mph (80.47 km/h) | 56.99 mph (91.71 km/h) |
| 55 mph (88.51 km/h) | 62.69 mph (100.88 km/h) |
| 60 mph (96.56 km/h) | 68.38 mph (110.05 km/h) |
| 65 mph (104.61 km/h) | 74.08 mph (119.23 km/h) |
| 70 mph (112.65 km/h) | 79.78 mph (128.4 km/h) |
| 75 mph (120.7 km/h) | 85.48 mph (137.57 km/h) |
| 80 mph (128.75 km/h) | 91.18 mph (146.74 km/h) |
| 85 mph (136.79 km/h) | 96.88 mph (155.91 km/h) |
| 90 mph (144.84 km/h) | 102.58 mph (165.08 km/h) |
| 95 mph (152.89 km/h) | 108.28 mph (174.25 km/h) |
| 100 mph (160.93 km/h) | 113.97 mph (183.42 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
