Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/70-17 | 195/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.41 (543.8) | 29.28 (743.8) | 7.87 (200) 36.8% |
| Width inches (mm) | 3.15 (80) | 7.68 (195) | 4.53 (115) 143.8% |
| Circum. inches (mm) | 67.26 (1708.4) | 92 (2336.72) | 24.74 (628.32) 36.8% |
| Sidewall Height inches (mm) | 2.2 (56) | 6.14 (156) | 3.94 (100) 178.6% |
| Revolutions per mile (km) | 942.02 (585.34) | 688.72 (427.95) | -253.3 (-157.39) -26.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.36 mph (44.02 km/h) |
| 25 mph (40.23 km/h) | 34.19 mph (55.03 km/h) |
| 30 mph (48.28 km/h) | 41.03 mph (66.04 km/h) |
| 35 mph (56.33 km/h) | 47.87 mph (77.04 km/h) |
| 40 mph (64.37 km/h) | 54.71 mph (88.05 km/h) |
| 45 mph (72.42 km/h) | 61.55 mph (99.06 km/h) |
| 50 mph (80.47 km/h) | 68.39 mph (110.06 km/h) |
| 55 mph (88.51 km/h) | 75.23 mph (121.07 km/h) |
| 60 mph (96.56 km/h) | 82.07 mph (132.07 km/h) |
| 65 mph (104.61 km/h) | 88.91 mph (143.08 km/h) |
| 70 mph (112.65 km/h) | 95.74 mph (154.09 km/h) |
| 75 mph (120.7 km/h) | 102.58 mph (165.09 km/h) |
| 80 mph (128.75 km/h) | 109.42 mph (176.1 km/h) |
| 85 mph (136.79 km/h) | 116.26 mph (187.11 km/h) |
| 90 mph (144.84 km/h) | 123.1 mph (198.11 km/h) |
| 95 mph (152.89 km/h) | 129.94 mph (209.12 km/h) |
| 100 mph (160.93 km/h) | 136.78 mph (220.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1753 | 2036 | 2193 | 2290 | 2394 | 2469 | 2551 | 2648 | 2782 | 2916 | 3065 | 3185 | 3401 | 3640 | 3826 | 3945 | 4012 | 4259 | 4602 | 5347 |
Better Fuel Economy Factory Ratios Increased Power
