Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-17 | 205/30-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.14 (587.8) | 21.84 (554.8) | -1.3 (-33) -5.6% |
| Width inches (mm) | 7.68 (195) | 8.07 (205) | 0.39 (10) 5.1% |
| Circum. inches (mm) | 72.7 (1846.63) | 68.62 (1742.96) | -4.08 (-103.67) -5.6% |
| Sidewall Height inches (mm) | 3.07 (78) | 2.42 (61.5) | -0.65 (-16.5) -21.2% |
| Revolutions per mile (km) | 871.5 (541.53) | 923.34 (573.74) | 51.84 (32.21) 5.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.88 mph (30.38 km/h) |
| 25 mph (40.23 km/h) | 23.6 mph (37.97 km/h) |
| 30 mph (48.28 km/h) | 28.32 mph (45.57 km/h) |
| 35 mph (56.33 km/h) | 33.04 mph (53.16 km/h) |
| 40 mph (64.37 km/h) | 37.75 mph (60.76 km/h) |
| 45 mph (72.42 km/h) | 42.47 mph (68.35 km/h) |
| 50 mph (80.47 km/h) | 47.19 mph (75.95 km/h) |
| 55 mph (88.51 km/h) | 51.91 mph (83.54 km/h) |
| 60 mph (96.56 km/h) | 56.63 mph (91.14 km/h) |
| 65 mph (104.61 km/h) | 61.35 mph (98.73 km/h) |
| 70 mph (112.65 km/h) | 66.07 mph (106.33 km/h) |
| 75 mph (120.7 km/h) | 70.79 mph (113.92 km/h) |
| 80 mph (128.75 km/h) | 75.51 mph (121.52 km/h) |
| 85 mph (136.79 km/h) | 80.23 mph (129.11 km/h) |
| 90 mph (144.84 km/h) | 84.95 mph (136.71 km/h) |
| 95 mph (152.89 km/h) | 89.67 mph (144.3 km/h) |
| 100 mph (160.93 km/h) | 94.39 mph (151.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
