Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/50-12 | 205/50-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.46 (519.8) | 20.07 (509.8) | -0.39 (-10) -1.9% |
| Width inches (mm) | 8.46 (215) | 8.07 (205) | -0.39 (-10) -4.7% |
| Circum. inches (mm) | 64.29 (1633) | 63.05 (1601.58) | -1.24 (-31.42) -1.9% |
| 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) | 1004.85 (624.38) | 19.33 (12.01) 2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.62 mph (31.57 km/h) |
| 25 mph (40.23 km/h) | 24.52 mph (39.46 km/h) |
| 30 mph (48.28 km/h) | 29.42 mph (47.35 km/h) |
| 35 mph (56.33 km/h) | 34.33 mph (55.24 km/h) |
| 40 mph (64.37 km/h) | 39.23 mph (63.14 km/h) |
| 45 mph (72.42 km/h) | 44.13 mph (71.03 km/h) |
| 50 mph (80.47 km/h) | 49.04 mph (78.92 km/h) |
| 55 mph (88.51 km/h) | 53.94 mph (86.81 km/h) |
| 60 mph (96.56 km/h) | 58.85 mph (94.7 km/h) |
| 65 mph (104.61 km/h) | 63.75 mph (102.6 km/h) |
| 70 mph (112.65 km/h) | 68.65 mph (110.49 km/h) |
| 75 mph (120.7 km/h) | 73.56 mph (118.38 km/h) |
| 80 mph (128.75 km/h) | 78.46 mph (126.27 km/h) |
| 85 mph (136.79 km/h) | 83.36 mph (134.16 km/h) |
| 90 mph (144.84 km/h) | 88.27 mph (142.05 km/h) |
| 95 mph (152.89 km/h) | 93.17 mph (149.95 km/h) |
| 100 mph (160.93 km/h) | 98.08 mph (157.84 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
