Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-23 | 345/40-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.7) | 34.87 (885.6) | 5.67 (143.9) 19.4% |
| Width inches (mm) | 12.4 (315) | 13.58 (345) | 1.18 (30) 9.5% |
| Circum. inches (mm) | 91.74 (2330.12) | 109.54 (2782.19) | 17.8 (452.08) 19.4% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 5.43 (138) | 2.33 (59.25) 75.2% |
| Revolutions per mile (km) | 690.67 (429.16) | 578.44 (359.43) | -112.23 (-69.73) -16.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.88 mph (38.43 km/h) |
| 25 mph (40.23 km/h) | 29.85 mph (48.04 km/h) |
| 30 mph (48.28 km/h) | 35.82 mph (57.65 km/h) |
| 35 mph (56.33 km/h) | 41.79 mph (67.26 km/h) |
| 40 mph (64.37 km/h) | 47.76 mph (76.86 km/h) |
| 45 mph (72.42 km/h) | 53.73 mph (86.47 km/h) |
| 50 mph (80.47 km/h) | 59.7 mph (96.08 km/h) |
| 55 mph (88.51 km/h) | 65.67 mph (105.69 km/h) |
| 60 mph (96.56 km/h) | 71.64 mph (115.29 km/h) |
| 65 mph (104.61 km/h) | 77.61 mph (124.9 km/h) |
| 70 mph (112.65 km/h) | 83.58 mph (134.51 km/h) |
| 75 mph (120.7 km/h) | 89.55 mph (144.12 km/h) |
| 80 mph (128.75 km/h) | 95.52 mph (153.73 km/h) |
| 85 mph (136.79 km/h) | 101.49 mph (163.33 km/h) |
| 90 mph (144.84 km/h) | 107.46 mph (172.94 km/h) |
| 95 mph (152.89 km/h) | 113.43 mph (182.55 km/h) |
| 100 mph (160.93 km/h) | 119.4 mph (192.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1472 | 1710 | 1842 | 1923 | 2011 | 2073 | 2142 | 2224 | 2336 | 2449 | 2574 | 2675 | 2856 | 3057 | 3213 | 3314 | 3370 | 3577 | 3865 | 4491 |
Better Fuel Economy Factory Ratios Increased Power
