Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-19 | 315/30-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.76 (730.6) | 29.44 (747.8) | 0.68 (17.2) 2.4% |
| Width inches (mm) | 6.1 (155) | 12.4 (315) | 6.3 (160) 103.2% |
| Circum. inches (mm) | 90.36 (2295.25) | 92.49 (2349.28) | 2.13 (54.04) 2.4% |
| Sidewall Height inches (mm) | 4.88 (124) | 3.72 (94.5) | -1.16 (-29.5) -23.8% |
| Revolutions per mile (km) | 701.16 (435.68) | 685.04 (425.66) | -16.13 (-10.02) -2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.47 mph (32.94 km/h) |
| 25 mph (40.23 km/h) | 25.59 mph (41.18 km/h) |
| 30 mph (48.28 km/h) | 30.71 mph (49.42 km/h) |
| 35 mph (56.33 km/h) | 35.82 mph (57.65 km/h) |
| 40 mph (64.37 km/h) | 40.94 mph (65.89 km/h) |
| 45 mph (72.42 km/h) | 46.06 mph (74.13 km/h) |
| 50 mph (80.47 km/h) | 51.18 mph (82.36 km/h) |
| 55 mph (88.51 km/h) | 56.29 mph (90.6 km/h) |
| 60 mph (96.56 km/h) | 61.41 mph (98.83 km/h) |
| 65 mph (104.61 km/h) | 66.53 mph (107.07 km/h) |
| 70 mph (112.65 km/h) | 71.65 mph (115.31 km/h) |
| 75 mph (120.7 km/h) | 76.77 mph (123.54 km/h) |
| 80 mph (128.75 km/h) | 81.88 mph (131.78 km/h) |
| 85 mph (136.79 km/h) | 87 mph (140.01 km/h) |
| 90 mph (144.84 km/h) | 92.12 mph (148.25 km/h) |
| 95 mph (152.89 km/h) | 97.24 mph (156.49 km/h) |
| 100 mph (160.93 km/h) | 102.35 mph (164.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1743 | 2025 | 2181 | 2277 | 2381 | 2455 | 2537 | 2633 | 2767 | 2901 | 3049 | 3168 | 3383 | 3620 | 3806 | 3924 | 3991 | 4236 | 4577 | 5319 |
Better Fuel Economy Factory Ratios Increased Power
