Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/85-16 | 205/85-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.05 (737.9) | 31.22 (793) | 2.17 (55.1) 7.5% |
| Width inches (mm) | 7.68 (195) | 8.07 (205) | 0.39 (10) 5.1% |
| Circum. inches (mm) | 91.27 (2318.18) | 98.08 (2491.28) | 6.82 (173.1) 7.5% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 6.86 (174.25) | 0.33 (8.5) 5.1% |
| Revolutions per mile (km) | 694.23 (431.37) | 645.99 (401.4) | -48.24 (-29.97) -6.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.49 mph (34.59 km/h) |
| 25 mph (40.23 km/h) | 26.87 mph (43.24 km/h) |
| 30 mph (48.28 km/h) | 32.24 mph (51.89 km/h) |
| 35 mph (56.33 km/h) | 37.61 mph (60.53 km/h) |
| 40 mph (64.37 km/h) | 42.99 mph (69.18 km/h) |
| 45 mph (72.42 km/h) | 48.36 mph (77.83 km/h) |
| 50 mph (80.47 km/h) | 53.73 mph (86.48 km/h) |
| 55 mph (88.51 km/h) | 59.11 mph (95.12 km/h) |
| 60 mph (96.56 km/h) | 64.48 mph (103.77 km/h) |
| 65 mph (104.61 km/h) | 69.85 mph (112.42 km/h) |
| 70 mph (112.65 km/h) | 75.23 mph (121.07 km/h) |
| 75 mph (120.7 km/h) | 80.6 mph (129.71 km/h) |
| 80 mph (128.75 km/h) | 85.97 mph (138.36 km/h) |
| 85 mph (136.79 km/h) | 91.35 mph (147.01 km/h) |
| 90 mph (144.84 km/h) | 96.72 mph (155.66 km/h) |
| 95 mph (152.89 km/h) | 102.09 mph (164.3 km/h) |
| 100 mph (160.93 km/h) | 107.47 mph (172.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1644 | 1910 | 2057 | 2148 | 2246 | 2315 | 2392 | 2483 | 2609 | 2735 | 2875 | 2987 | 3190 | 3414 | 3589 | 3701 | 3764 | 3994 | 4316 | 5016 |
Better Fuel Economy Factory Ratios Increased Power
