Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/80-16 | 170/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.19 (614.4) | 23.69 (601.8) | -0.5 (-12.6) -2.1% |
| Width inches (mm) | 5.12 (130) | 6.69 (170) | 1.57 (40) 30.8% |
| Circum. inches (mm) | 75.99 (1930.19) | 74.43 (1890.61) | -1.56 (-39.58) -2.1% |
| Sidewall Height inches (mm) | 4.09 (104) | 3.35 (85) | -0.75 (-19) -18.3% |
| Revolutions per mile (km) | 833.77 (518.08) | 851.23 (528.93) | 17.46 (10.85) 2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.59 mph (31.53 km/h) |
| 25 mph (40.23 km/h) | 24.49 mph (39.41 km/h) |
| 30 mph (48.28 km/h) | 29.38 mph (47.29 km/h) |
| 35 mph (56.33 km/h) | 34.28 mph (55.17 km/h) |
| 40 mph (64.37 km/h) | 39.18 mph (63.05 km/h) |
| 45 mph (72.42 km/h) | 44.08 mph (70.94 km/h) |
| 50 mph (80.47 km/h) | 48.97 mph (78.82 km/h) |
| 55 mph (88.51 km/h) | 53.87 mph (86.7 km/h) |
| 60 mph (96.56 km/h) | 58.77 mph (94.58 km/h) |
| 65 mph (104.61 km/h) | 63.67 mph (102.46 km/h) |
| 70 mph (112.65 km/h) | 68.56 mph (110.34 km/h) |
| 75 mph (120.7 km/h) | 73.46 mph (118.23 km/h) |
| 80 mph (128.75 km/h) | 78.36 mph (126.11 km/h) |
| 85 mph (136.79 km/h) | 83.26 mph (133.99 km/h) |
| 90 mph (144.84 km/h) | 88.15 mph (141.87 km/h) |
| 95 mph (152.89 km/h) | 93.05 mph (149.75 km/h) |
| 100 mph (160.93 km/h) | 97.95 mph (157.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2166 | 2516 | 2710 | 2830 | 2959 | 3051 | 3153 | 3272 | 3438 | 3604 | 3789 | 3936 | 4203 | 4498 | 4729 | 4876 | 4959 | 5263 | 5687 | 6609 |
Better Fuel Economy Factory Ratios Increased Power
