Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/70-12 | 225/40-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.17 (486.8) | 19.09 (484.8) | -0.08 (-2) -0.4% |
| Width inches (mm) | 5.12 (130) | 8.86 (225) | 3.74 (95) 73.1% |
| Circum. inches (mm) | 60.21 (1529.33) | 59.96 (1523.04) | -0.25 (-6.28) -0.4% |
| Sidewall Height inches (mm) | 3.58 (91) | 3.54 (90) | -0.04 (-1) -1.1% |
| Revolutions per mile (km) | 1052.32 (653.88) | 1056.66 (656.58) | 4.34 (2.7) 0.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.92 mph (32.05 km/h) |
| 25 mph (40.23 km/h) | 24.9 mph (40.07 km/h) |
| 30 mph (48.28 km/h) | 29.88 mph (48.08 km/h) |
| 35 mph (56.33 km/h) | 34.86 mph (56.1 km/h) |
| 40 mph (64.37 km/h) | 39.84 mph (64.11 km/h) |
| 45 mph (72.42 km/h) | 44.82 mph (72.12 km/h) |
| 50 mph (80.47 km/h) | 49.79 mph (80.14 km/h) |
| 55 mph (88.51 km/h) | 54.77 mph (88.15 km/h) |
| 60 mph (96.56 km/h) | 59.75 mph (96.16 km/h) |
| 65 mph (104.61 km/h) | 64.73 mph (104.18 km/h) |
| 70 mph (112.65 km/h) | 69.71 mph (112.19 km/h) |
| 75 mph (120.7 km/h) | 74.69 mph (120.21 km/h) |
| 80 mph (128.75 km/h) | 79.67 mph (128.22 km/h) |
| 85 mph (136.79 km/h) | 84.65 mph (136.23 km/h) |
| 90 mph (144.84 km/h) | 89.63 mph (144.25 km/h) |
| 95 mph (152.89 km/h) | 94.61 mph (152.26 km/h) |
| 100 mph (160.93 km/h) | 99.59 mph (160.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
