Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/50-10 | 205/30-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.07 (459) | 16.84 (427.8) | -1.23 (-31.2) -6.8% |
| Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
| Circum. inches (mm) | 56.77 (1441.99) | 52.91 (1343.97) | -3.86 (-98.02) -6.8% |
| Sidewall Height inches (mm) | 4.04 (102.5) | 2.42 (61.5) | -1.61 (-41) -40% |
| Revolutions per mile (km) | 1116.06 (693.48) | 1197.45 (744.06) | 81.4 (50.58) 7.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.64 mph (30 km/h) |
| 25 mph (40.23 km/h) | 23.3 mph (37.5 km/h) |
| 30 mph (48.28 km/h) | 27.96 mph (45 km/h) |
| 35 mph (56.33 km/h) | 32.62 mph (52.5 km/h) |
| 40 mph (64.37 km/h) | 37.28 mph (60 km/h) |
| 45 mph (72.42 km/h) | 41.94 mph (67.5 km/h) |
| 50 mph (80.47 km/h) | 46.6 mph (75 km/h) |
| 55 mph (88.51 km/h) | 51.26 mph (82.5 km/h) |
| 60 mph (96.56 km/h) | 55.92 mph (90 km/h) |
| 65 mph (104.61 km/h) | 60.58 mph (97.5 km/h) |
| 70 mph (112.65 km/h) | 65.24 mph (105 km/h) |
| 75 mph (120.7 km/h) | 69.9 mph (112.5 km/h) |
| 80 mph (128.75 km/h) | 74.56 mph (120 km/h) |
| 85 mph (136.79 km/h) | 79.22 mph (127.5 km/h) |
| 90 mph (144.84 km/h) | 83.88 mph (135 km/h) |
| 95 mph (152.89 km/h) | 88.54 mph (142.5 km/h) |
| 100 mph (160.93 km/h) | 93.2 mph (150 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
