Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-16 | 156/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.09 (586.4) | 22.83 (579.8) | -0.26 (-6.6) -1.1% |
| Width inches (mm) | 8.86 (225) | 6.14 (156) | -2.72 (-69) -30.7% |
| Circum. inches (mm) | 72.53 (1842.23) | 71.71 (1821.5) | -0.82 (-20.73) -1.1% |
| Sidewall Height inches (mm) | 3.54 (90) | 4.91 (124.8) | 1.37 (34.8) 38.7% |
| Revolutions per mile (km) | 873.58 (542.82) | 883.53 (549) | 9.94 (6.18) 1.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.77 mph (31.82 km/h) |
| 25 mph (40.23 km/h) | 24.72 mph (39.78 km/h) |
| 30 mph (48.28 km/h) | 29.66 mph (47.74 km/h) |
| 35 mph (56.33 km/h) | 34.61 mph (55.69 km/h) |
| 40 mph (64.37 km/h) | 39.55 mph (63.65 km/h) |
| 45 mph (72.42 km/h) | 44.49 mph (71.61 km/h) |
| 50 mph (80.47 km/h) | 49.44 mph (79.56 km/h) |
| 55 mph (88.51 km/h) | 54.38 mph (87.52 km/h) |
| 60 mph (96.56 km/h) | 59.32 mph (95.47 km/h) |
| 65 mph (104.61 km/h) | 64.27 mph (103.43 km/h) |
| 70 mph (112.65 km/h) | 69.21 mph (111.39 km/h) |
| 75 mph (120.7 km/h) | 74.16 mph (119.34 km/h) |
| 80 mph (128.75 km/h) | 79.1 mph (127.3 km/h) |
| 85 mph (136.79 km/h) | 84.04 mph (135.25 km/h) |
| 90 mph (144.84 km/h) | 88.99 mph (143.21 km/h) |
| 95 mph (152.89 km/h) | 93.93 mph (151.17 km/h) |
| 100 mph (160.93 km/h) | 98.87 mph (159.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2248 | 2612 | 2813 | 2937 | 3071 | 3167 | 3272 | 3397 | 3569 | 3741 | 3932 | 4085 | 4363 | 4669 | 4908 | 5061 | 5147 | 5463 | 5903 | 6860 |
Better Fuel Economy Factory Ratios Increased Power
