Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-23 | 315/40-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.7) | 32.92 (836.2) | 3.72 (94.5) 12.7% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 91.74 (2330.12) | 103.43 (2627) | 11.69 (296.88) 12.7% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 4.96 (126) | 1.86 (47.25) 60% |
| Revolutions per mile (km) | 690.67 (429.16) | 612.62 (380.66) | -78.05 (-48.5) -11.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.55 mph (36.29 km/h) |
| 25 mph (40.23 km/h) | 28.19 mph (45.36 km/h) |
| 30 mph (48.28 km/h) | 33.82 mph (54.43 km/h) |
| 35 mph (56.33 km/h) | 39.46 mph (63.5 km/h) |
| 40 mph (64.37 km/h) | 45.1 mph (72.58 km/h) |
| 45 mph (72.42 km/h) | 50.73 mph (81.65 km/h) |
| 50 mph (80.47 km/h) | 56.37 mph (90.72 km/h) |
| 55 mph (88.51 km/h) | 62.01 mph (99.79 km/h) |
| 60 mph (96.56 km/h) | 67.64 mph (108.86 km/h) |
| 65 mph (104.61 km/h) | 73.28 mph (117.94 km/h) |
| 70 mph (112.65 km/h) | 78.92 mph (127.01 km/h) |
| 75 mph (120.7 km/h) | 84.56 mph (136.08 km/h) |
| 80 mph (128.75 km/h) | 90.19 mph (145.15 km/h) |
| 85 mph (136.79 km/h) | 95.83 mph (154.22 km/h) |
| 90 mph (144.84 km/h) | 101.47 mph (163.3 km/h) |
| 95 mph (152.89 km/h) | 107.1 mph (172.37 km/h) |
| 100 mph (160.93 km/h) | 112.74 mph (181.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1559 | 1811 | 1950 | 2037 | 2130 | 2196 | 2269 | 2355 | 2474 | 2594 | 2727 | 2833 | 3025 | 3237 | 3403 | 3509 | 3569 | 3788 | 4093 | 4757 |
Better Fuel Economy Factory Ratios Increased Power
