Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/35-23 | 405/25-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.41 (797.7) | 31.97 (812.1) | 0.57 (14.4) 1.8% |
| Width inches (mm) | 12.01 (305) | 15.94 (405) | 3.94 (100) 32.8% |
| Circum. inches (mm) | 98.66 (2506.05) | 100.44 (2551.29) | 1.78 (45.24) 1.8% |
| Sidewall Height inches (mm) | 4.2 (106.75) | 3.99 (101.25) | -0.22 (-5.5) -5.2% |
| Revolutions per mile (km) | 642.18 (399.03) | 630.8 (391.96) | -11.39 (-7.08) -1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.36 mph (32.77 km/h) |
| 25 mph (40.23 km/h) | 25.45 mph (40.96 km/h) |
| 30 mph (48.28 km/h) | 30.54 mph (49.15 km/h) |
| 35 mph (56.33 km/h) | 35.63 mph (57.34 km/h) |
| 40 mph (64.37 km/h) | 40.72 mph (65.54 km/h) |
| 45 mph (72.42 km/h) | 45.81 mph (73.73 km/h) |
| 50 mph (80.47 km/h) | 50.9 mph (81.92 km/h) |
| 55 mph (88.51 km/h) | 55.99 mph (90.11 km/h) |
| 60 mph (96.56 km/h) | 61.08 mph (98.3 km/h) |
| 65 mph (104.61 km/h) | 66.17 mph (106.5 km/h) |
| 70 mph (112.65 km/h) | 71.26 mph (114.69 km/h) |
| 75 mph (120.7 km/h) | 76.35 mph (122.88 km/h) |
| 80 mph (128.75 km/h) | 81.44 mph (131.07 km/h) |
| 85 mph (136.79 km/h) | 86.53 mph (139.26 km/h) |
| 90 mph (144.84 km/h) | 91.62 mph (147.46 km/h) |
| 95 mph (152.89 km/h) | 96.71 mph (155.65 km/h) |
| 100 mph (160.93 km/h) | 101.81 mph (163.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1605 | 1865 | 2008 | 2097 | 2193 | 2261 | 2336 | 2425 | 2548 | 2671 | 2807 | 2917 | 3115 | 3333 | 3504 | 3614 | 3675 | 3900 | 4215 | 4898 |
Better Fuel Economy Factory Ratios Increased Power
