Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 305/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 29.21 (741.9) | 2.05 (52) 7.5% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 85.33 (2167.38) | 91.76 (2330.75) | 6.43 (163.36) 7.5% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 6.6 (167.75) | 1.02 (26) 18.3% |
| Revolutions per mile (km) | 742.53 (461.38) | 690.48 (429.05) | -52.04 (-32.34) -7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.51 mph (34.61 km/h) |
| 25 mph (40.23 km/h) | 26.88 mph (43.27 km/h) |
| 30 mph (48.28 km/h) | 32.26 mph (51.92 km/h) |
| 35 mph (56.33 km/h) | 37.64 mph (60.57 km/h) |
| 40 mph (64.37 km/h) | 43.01 mph (69.23 km/h) |
| 45 mph (72.42 km/h) | 48.39 mph (77.88 km/h) |
| 50 mph (80.47 km/h) | 53.77 mph (86.53 km/h) |
| 55 mph (88.51 km/h) | 59.15 mph (95.19 km/h) |
| 60 mph (96.56 km/h) | 64.52 mph (103.84 km/h) |
| 65 mph (104.61 km/h) | 69.9 mph (112.49 km/h) |
| 70 mph (112.65 km/h) | 75.28 mph (121.15 km/h) |
| 75 mph (120.7 km/h) | 80.65 mph (129.8 km/h) |
| 80 mph (128.75 km/h) | 86.03 mph (138.45 km/h) |
| 85 mph (136.79 km/h) | 91.41 mph (147.11 km/h) |
| 90 mph (144.84 km/h) | 96.78 mph (155.76 km/h) |
| 95 mph (152.89 km/h) | 102.16 mph (164.41 km/h) |
| 100 mph (160.93 km/h) | 107.54 mph (173.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1757 | 2041 | 2198 | 2296 | 2400 | 2475 | 2557 | 2654 | 2789 | 2924 | 3073 | 3193 | 3410 | 3649 | 3836 | 3955 | 4023 | 4270 | 4613 | 5361 |
Better Fuel Economy Factory Ratios Increased Power
