Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 225/55-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 33.74 (857.1) | 1.14 (28.9) 3.5% |
| Width inches (mm) | 12.01 (305) | 8.86 (225) | -3.15 (-80) -26.2% |
| Circum. inches (mm) | 102.44 (2601.87) | 106.01 (2692.66) | 3.57 (90.79) 3.5% |
| Sidewall Height inches (mm) | 4.8 (122) | 4.87 (123.75) | 0.07 (1.75) 1.4% |
| Revolutions per mile (km) | 618.53 (384.34) | 597.68 (371.38) | -20.86 (-12.96) -3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.7 mph (33.31 km/h) |
| 25 mph (40.23 km/h) | 25.87 mph (41.64 km/h) |
| 30 mph (48.28 km/h) | 31.05 mph (49.97 km/h) |
| 35 mph (56.33 km/h) | 36.22 mph (58.29 km/h) |
| 40 mph (64.37 km/h) | 41.4 mph (66.62 km/h) |
| 45 mph (72.42 km/h) | 46.57 mph (74.95 km/h) |
| 50 mph (80.47 km/h) | 51.74 mph (83.28 km/h) |
| 55 mph (88.51 km/h) | 56.92 mph (91.6 km/h) |
| 60 mph (96.56 km/h) | 62.09 mph (99.93 km/h) |
| 65 mph (104.61 km/h) | 67.27 mph (108.26 km/h) |
| 70 mph (112.65 km/h) | 72.44 mph (116.59 km/h) |
| 75 mph (120.7 km/h) | 77.62 mph (124.91 km/h) |
| 80 mph (128.75 km/h) | 82.79 mph (133.24 km/h) |
| 85 mph (136.79 km/h) | 87.97 mph (141.57 km/h) |
| 90 mph (144.84 km/h) | 93.14 mph (149.9 km/h) |
| 95 mph (152.89 km/h) | 98.32 mph (158.22 km/h) |
| 100 mph (160.93 km/h) | 103.49 mph (166.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1521 | 1767 | 1903 | 1987 | 2078 | 2142 | 2214 | 2298 | 2414 | 2531 | 2660 | 2764 | 2951 | 3158 | 3320 | 3424 | 3482 | 3696 | 3993 | 4641 |
Better Fuel Economy Factory Ratios Increased Power
