Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-19 | 355/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.92 (734.6) | 27.39 (695.6) | -1.54 (-39) -5.3% |
| Width inches (mm) | 12.4 (315) | 13.98 (355) | 1.57 (40) 12.7% |
| Circum. inches (mm) | 90.86 (2307.81) | 86.04 (2185.29) | -4.82 (-122.52) -5.3% |
| Sidewall Height inches (mm) | 4.96 (126) | 4.19 (106.5) | -0.77 (-19.5) -15.5% |
| Revolutions per mile (km) | 697.35 (433.31) | 736.44 (457.6) | 39.1 (24.29) 5.6% |
355/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.94 mph (30.48 km/h) |
| 25 mph (40.23 km/h) | 23.67 mph (38.1 km/h) |
| 30 mph (48.28 km/h) | 28.41 mph (45.72 km/h) |
| 35 mph (56.33 km/h) | 33.14 mph (53.34 km/h) |
| 40 mph (64.37 km/h) | 37.88 mph (60.96 km/h) |
| 45 mph (72.42 km/h) | 42.61 mph (68.58 km/h) |
| 50 mph (80.47 km/h) | 47.35 mph (76.2 km/h) |
| 55 mph (88.51 km/h) | 52.08 mph (83.81 km/h) |
| 60 mph (96.56 km/h) | 56.81 mph (91.43 km/h) |
| 65 mph (104.61 km/h) | 61.55 mph (99.05 km/h) |
| 70 mph (112.65 km/h) | 66.28 mph (106.67 km/h) |
| 75 mph (120.7 km/h) | 71.02 mph (114.29 km/h) |
| 80 mph (128.75 km/h) | 75.75 mph (121.91 km/h) |
| 85 mph (136.79 km/h) | 80.49 mph (129.53 km/h) |
| 90 mph (144.84 km/h) | 85.22 mph (137.15 km/h) |
| 95 mph (152.89 km/h) | 89.96 mph (144.77 km/h) |
| 100 mph (160.93 km/h) | 94.69 mph (152.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1874 | 2177 | 2345 | 2448 | 2560 | 2640 | 2727 | 2831 | 2975 | 3118 | 3278 | 3405 | 3637 | 3892 | 4091 | 4219 | 4291 | 4554 | 4921 | 5718 |
Better Fuel Economy Factory Ratios Increased Power
