Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/80-16 | 33/14.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.84 (910.4) | 33.1 (840.64) | -2.75 (-69.76) -7.7% |
| Width inches (mm) | 12.4 (315) | 14.49 (368) | 2.09 (53) 16.8% |
| Circum. inches (mm) | 112.6 (2860.11) | 103.97 (2640.95) | -8.63 (-219.16) -7.7% |
| Sidewall Height inches (mm) | 9.92 (252) | 8.55 (217.12) | -1.37 (-34.88) -13.8% |
| Revolutions per mile (km) | 562.69 (349.64) | 609.38 (378.65) | 46.69 (29.01) 8.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.47 mph (29.72 km/h) |
| 25 mph (40.23 km/h) | 23.08 mph (37.15 km/h) |
| 30 mph (48.28 km/h) | 27.7 mph (44.58 km/h) |
| 35 mph (56.33 km/h) | 32.32 mph (52.01 km/h) |
| 40 mph (64.37 km/h) | 36.93 mph (59.44 km/h) |
| 45 mph (72.42 km/h) | 41.55 mph (66.87 km/h) |
| 50 mph (80.47 km/h) | 46.17 mph (74.3 km/h) |
| 55 mph (88.51 km/h) | 50.79 mph (81.73 km/h) |
| 60 mph (96.56 km/h) | 55.4 mph (89.16 km/h) |
| 65 mph (104.61 km/h) | 60.02 mph (96.59 km/h) |
| 70 mph (112.65 km/h) | 64.64 mph (104.02 km/h) |
| 75 mph (120.7 km/h) | 69.25 mph (111.45 km/h) |
| 80 mph (128.75 km/h) | 73.87 mph (118.88 km/h) |
| 85 mph (136.79 km/h) | 78.49 mph (126.31 km/h) |
| 90 mph (144.84 km/h) | 83.1 mph (133.74 km/h) |
| 95 mph (152.89 km/h) | 87.72 mph (141.17 km/h) |
| 100 mph (160.93 km/h) | 92.34 mph (148.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1551 | 1802 | 1940 | 2026 | 2118 | 2184 | 2257 | 2343 | 2461 | 2580 | 2712 | 2818 | 3009 | 3220 | 3385 | 3491 | 3550 | 3768 | 4072 | 4731 |
Better Fuel Economy Factory Ratios Increased Power
