Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-23 | 375/40-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.7) | 35.81 (909.6) | 6.61 (167.9) 22.6% |
| Width inches (mm) | 12.4 (315) | 14.76 (375) | 2.36 (60) 19% |
| Circum. inches (mm) | 91.74 (2330.12) | 112.5 (2857.59) | 20.77 (527.47) 22.6% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 5.91 (150) | 2.81 (71.25) 90.5% |
| Revolutions per mile (km) | 690.67 (429.16) | 563.18 (349.94) | -127.49 (-79.22) -18.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.53 mph (39.47 km/h) |
| 25 mph (40.23 km/h) | 30.66 mph (49.34 km/h) |
| 30 mph (48.28 km/h) | 36.79 mph (59.21 km/h) |
| 35 mph (56.33 km/h) | 42.92 mph (69.08 km/h) |
| 40 mph (64.37 km/h) | 49.05 mph (78.95 km/h) |
| 45 mph (72.42 km/h) | 55.19 mph (88.81 km/h) |
| 50 mph (80.47 km/h) | 61.32 mph (98.68 km/h) |
| 55 mph (88.51 km/h) | 67.45 mph (108.55 km/h) |
| 60 mph (96.56 km/h) | 73.58 mph (118.42 km/h) |
| 65 mph (104.61 km/h) | 79.71 mph (128.29 km/h) |
| 70 mph (112.65 km/h) | 85.85 mph (138.16 km/h) |
| 75 mph (120.7 km/h) | 91.98 mph (148.02 km/h) |
| 80 mph (128.75 km/h) | 98.11 mph (157.89 km/h) |
| 85 mph (136.79 km/h) | 104.24 mph (167.76 km/h) |
| 90 mph (144.84 km/h) | 110.37 mph (177.63 km/h) |
| 95 mph (152.89 km/h) | 116.51 mph (187.5 km/h) |
| 100 mph (160.93 km/h) | 122.64 mph (197.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1433 | 1665 | 1793 | 1872 | 1958 | 2019 | 2086 | 2165 | 2275 | 2385 | 2507 | 2604 | 2781 | 2976 | 3129 | 3226 | 3281 | 3482 | 3763 | 4373 |
Better Fuel Economy Factory Ratios Increased Power
