Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/60-21 | 130/70-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.14 (689.4) | 26.17 (664.6) | -0.98 (-24.8) -3.6% |
| Width inches (mm) | 5.12 (130) | 5.12 (130) | 0 (0) 0% |
| Circum. inches (mm) | 85.27 (2165.81) | 82.2 (2087.9) | -3.07 (-77.91) -3.6% |
| Sidewall Height inches (mm) | 3.07 (78) | 3.58 (91) | 0.51 (13) 16.7% |
| Revolutions per mile (km) | 743.07 (461.72) | 770.79 (478.95) | 27.73 (17.23) 3.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.28 mph (31.03 km/h) |
| 25 mph (40.23 km/h) | 24.1 mph (38.79 km/h) |
| 30 mph (48.28 km/h) | 28.92 mph (46.54 km/h) |
| 35 mph (56.33 km/h) | 33.74 mph (54.3 km/h) |
| 40 mph (64.37 km/h) | 38.56 mph (62.06 km/h) |
| 45 mph (72.42 km/h) | 43.38 mph (69.82 km/h) |
| 50 mph (80.47 km/h) | 48.2 mph (77.57 km/h) |
| 55 mph (88.51 km/h) | 53.02 mph (85.33 km/h) |
| 60 mph (96.56 km/h) | 57.84 mph (93.09 km/h) |
| 65 mph (104.61 km/h) | 62.66 mph (100.84 km/h) |
| 70 mph (112.65 km/h) | 67.48 mph (108.6 km/h) |
| 75 mph (120.7 km/h) | 72.3 mph (116.36 km/h) |
| 80 mph (128.75 km/h) | 77.12 mph (124.12 km/h) |
| 85 mph (136.79 km/h) | 81.94 mph (131.87 km/h) |
| 90 mph (144.84 km/h) | 86.76 mph (139.63 km/h) |
| 95 mph (152.89 km/h) | 91.58 mph (147.39 km/h) |
| 100 mph (160.93 km/h) | 96.4 mph (155.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1962 | 2279 | 2454 | 2563 | 2679 | 2763 | 2855 | 2963 | 3113 | 3264 | 3431 | 3564 | 3806 | 4073 | 4282 | 4416 | 4491 | 4766 | 5150 | 5985 |
Better Fuel Economy Factory Ratios Increased Power
