Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/70-17 | 195/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.41 (543.8) | 27.75 (704.8) | 6.34 (161) 29.6% |
| Width inches (mm) | 3.15 (80) | 7.68 (195) | 4.53 (115) 143.8% |
| Circum. inches (mm) | 67.26 (1708.4) | 87.17 (2214.19) | 19.91 (505.8) 29.6% |
| Sidewall Height inches (mm) | 2.2 (56) | 5.37 (136.5) | 3.17 (80.5) 143.8% |
| Revolutions per mile (km) | 942.02 (585.34) | 726.83 (451.63) | -215.19 (-133.71) -22.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.92 mph (41.72 km/h) |
| 25 mph (40.23 km/h) | 32.4 mph (52.15 km/h) |
| 30 mph (48.28 km/h) | 38.88 mph (62.57 km/h) |
| 35 mph (56.33 km/h) | 45.36 mph (73 km/h) |
| 40 mph (64.37 km/h) | 51.84 mph (83.43 km/h) |
| 45 mph (72.42 km/h) | 58.32 mph (93.86 km/h) |
| 50 mph (80.47 km/h) | 64.8 mph (104.29 km/h) |
| 55 mph (88.51 km/h) | 71.28 mph (114.72 km/h) |
| 60 mph (96.56 km/h) | 77.76 mph (125.15 km/h) |
| 65 mph (104.61 km/h) | 84.24 mph (135.58 km/h) |
| 70 mph (112.65 km/h) | 90.72 mph (146.01 km/h) |
| 75 mph (120.7 km/h) | 97.2 mph (156.44 km/h) |
| 80 mph (128.75 km/h) | 103.69 mph (166.87 km/h) |
| 85 mph (136.79 km/h) | 110.17 mph (177.29 km/h) |
| 90 mph (144.84 km/h) | 116.65 mph (187.72 km/h) |
| 95 mph (152.89 km/h) | 123.13 mph (198.15 km/h) |
| 100 mph (160.93 km/h) | 129.61 mph (208.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1850 | 2149 | 2314 | 2416 | 2527 | 2605 | 2692 | 2794 | 2936 | 3077 | 3235 | 3361 | 3589 | 3841 | 4038 | 4164 | 4235 | 4494 | 4856 | 5643 |
Better Fuel Economy Factory Ratios Increased Power
