Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/70-12 | 120/80-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.17 (486.8) | 19.56 (496.8) | 0.39 (10) 2.1% |
| Width inches (mm) | 5.12 (130) | 4.72 (120) | -0.39 (-10) -7.7% |
| Circum. inches (mm) | 60.21 (1529.33) | 61.45 (1560.74) | 1.24 (31.42) 2.1% |
| Sidewall Height inches (mm) | 3.58 (91) | 3.78 (96) | 0.2 (5) 5.5% |
| Revolutions per mile (km) | 1052.32 (653.88) | 1031.14 (640.72) | -21.18 (-13.16) -2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.41 mph (32.85 km/h) |
| 25 mph (40.23 km/h) | 25.51 mph (41.06 km/h) |
| 30 mph (48.28 km/h) | 30.62 mph (49.27 km/h) |
| 35 mph (56.33 km/h) | 35.72 mph (57.48 km/h) |
| 40 mph (64.37 km/h) | 40.82 mph (65.7 km/h) |
| 45 mph (72.42 km/h) | 45.92 mph (73.91 km/h) |
| 50 mph (80.47 km/h) | 51.03 mph (82.12 km/h) |
| 55 mph (88.51 km/h) | 56.13 mph (90.33 km/h) |
| 60 mph (96.56 km/h) | 61.23 mph (98.54 km/h) |
| 65 mph (104.61 km/h) | 66.34 mph (106.76 km/h) |
| 70 mph (112.65 km/h) | 71.44 mph (114.97 km/h) |
| 75 mph (120.7 km/h) | 76.54 mph (123.18 km/h) |
| 80 mph (128.75 km/h) | 81.64 mph (131.39 km/h) |
| 85 mph (136.79 km/h) | 86.75 mph (139.6 km/h) |
| 90 mph (144.84 km/h) | 91.85 mph (147.82 km/h) |
| 95 mph (152.89 km/h) | 96.95 mph (156.03 km/h) |
| 100 mph (160.93 km/h) | 102.05 mph (164.24 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
