Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/85-16 | 280/85-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.74 (882.4) | 42.74 (1085.6) | 8 (203.2) 23% |
| Width inches (mm) | 11.02 (280) | 11.02 (280) | 0 (0) 0% |
| Circum. inches (mm) | 109.14 (2772.14) | 134.27 (3410.51) | 25.13 (638.37) 23% |
| Sidewall Height inches (mm) | 9.37 (238) | 9.37 (238) | 0 (0) 0% |
| Revolutions per mile (km) | 580.54 (360.73) | 471.88 (293.21) | -108.66 (-67.52) -18.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.61 mph (39.6 km/h) |
| 25 mph (40.23 km/h) | 30.76 mph (49.5 km/h) |
| 30 mph (48.28 km/h) | 36.91 mph (59.4 km/h) |
| 35 mph (56.33 km/h) | 43.06 mph (69.3 km/h) |
| 40 mph (64.37 km/h) | 49.21 mph (79.2 km/h) |
| 45 mph (72.42 km/h) | 55.36 mph (89.1 km/h) |
| 50 mph (80.47 km/h) | 61.51 mph (99 km/h) |
| 55 mph (88.51 km/h) | 67.67 mph (108.9 km/h) |
| 60 mph (96.56 km/h) | 73.82 mph (118.8 km/h) |
| 65 mph (104.61 km/h) | 79.97 mph (128.7 km/h) |
| 70 mph (112.65 km/h) | 86.12 mph (138.6 km/h) |
| 75 mph (120.7 km/h) | 92.27 mph (148.5 km/h) |
| 80 mph (128.75 km/h) | 98.42 mph (158.4 km/h) |
| 85 mph (136.79 km/h) | 104.57 mph (168.3 km/h) |
| 90 mph (144.84 km/h) | 110.73 mph (178.2 km/h) |
| 95 mph (152.89 km/h) | 116.88 mph (188.1 km/h) |
| 100 mph (160.93 km/h) | 123.03 mph (197.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1201 | 1395 | 1502 | 1569 | 1640 | 1691 | 1748 | 1814 | 1906 | 1998 | 2100 | 2182 | 2330 | 2494 | 2621 | 2703 | 2749 | 2918 | 3153 | 3664 |
Better Fuel Economy Factory Ratios Increased Power
