Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/50-12 | 205/50-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.46 (519.8) | 18.07 (459) | -2.39 (-60.8) -11.7% |
| Width inches (mm) | 8.46 (215) | 8.07 (205) | -0.39 (-10) -4.7% |
| Circum. inches (mm) | 64.29 (1633) | 56.77 (1441.99) | -7.52 (-191.01) -11.7% |
| Sidewall Height inches (mm) | 4.23 (107.5) | 4.04 (102.5) | -0.2 (-5) -4.7% |
| Revolutions per mile (km) | 985.51 (612.37) | 1116.06 (693.48) | 130.54 (81.12) 13.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.66 mph (28.42 km/h) |
| 25 mph (40.23 km/h) | 22.08 mph (35.53 km/h) |
| 30 mph (48.28 km/h) | 26.49 mph (42.63 km/h) |
| 35 mph (56.33 km/h) | 30.91 mph (49.74 km/h) |
| 40 mph (64.37 km/h) | 35.32 mph (56.84 km/h) |
| 45 mph (72.42 km/h) | 39.74 mph (63.95 km/h) |
| 50 mph (80.47 km/h) | 44.15 mph (71.06 km/h) |
| 55 mph (88.51 km/h) | 48.57 mph (78.16 km/h) |
| 60 mph (96.56 km/h) | 52.98 mph (85.27 km/h) |
| 65 mph (104.61 km/h) | 57.4 mph (92.37 km/h) |
| 70 mph (112.65 km/h) | 61.81 mph (99.48 km/h) |
| 75 mph (120.7 km/h) | 66.23 mph (106.58 km/h) |
| 80 mph (128.75 km/h) | 70.64 mph (113.69 km/h) |
| 85 mph (136.79 km/h) | 75.06 mph (120.79 km/h) |
| 90 mph (144.84 km/h) | 79.47 mph (127.9 km/h) |
| 95 mph (152.89 km/h) | 83.89 mph (135 km/h) |
| 100 mph (160.93 km/h) | 88.3 mph (142.11 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
