Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/40-24 | 285/65-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.98 (837.6) | 37.09 (942) | 4.11 (104.4) 12.5% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 103.6 (2631.4) | 116.51 (2959.38) | 12.91 (327.98) 12.5% |
| Sidewall Height inches (mm) | 4.49 (114) | 7.29 (185.25) | 2.81 (71.25) 62.5% |
| Revolutions per mile (km) | 611.59 (380.03) | 543.81 (337.91) | -67.78 (-42.12) -11.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.49 mph (36.2 km/h) |
| 25 mph (40.23 km/h) | 28.12 mph (45.25 km/h) |
| 30 mph (48.28 km/h) | 33.74 mph (54.3 km/h) |
| 35 mph (56.33 km/h) | 39.36 mph (63.35 km/h) |
| 40 mph (64.37 km/h) | 44.99 mph (72.4 km/h) |
| 45 mph (72.42 km/h) | 50.61 mph (81.45 km/h) |
| 50 mph (80.47 km/h) | 56.23 mph (90.5 km/h) |
| 55 mph (88.51 km/h) | 61.86 mph (99.55 km/h) |
| 60 mph (96.56 km/h) | 67.48 mph (108.6 km/h) |
| 65 mph (104.61 km/h) | 73.1 mph (117.65 km/h) |
| 70 mph (112.65 km/h) | 78.72 mph (126.7 km/h) |
| 75 mph (120.7 km/h) | 84.35 mph (135.75 km/h) |
| 80 mph (128.75 km/h) | 89.97 mph (144.8 km/h) |
| 85 mph (136.79 km/h) | 95.59 mph (153.84 km/h) |
| 90 mph (144.84 km/h) | 101.22 mph (162.89 km/h) |
| 95 mph (152.89 km/h) | 106.84 mph (171.94 km/h) |
| 100 mph (160.93 km/h) | 112.46 mph (180.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1384 | 1608 | 1731 | 1808 | 1890 | 1949 | 2014 | 2091 | 2197 | 2303 | 2420 | 2515 | 2685 | 2874 | 3021 | 3115 | 3168 | 3363 | 3633 | 4222 |
Better Fuel Economy Factory Ratios Increased Power
