Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/50-12 | 195/50-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.46 (519.8) | 19.68 (499.8) | -0.79 (-20) -3.8% |
| Width inches (mm) | 8.46 (215) | 7.68 (195) | -0.79 (-20) -9.3% |
| Circum. inches (mm) | 64.29 (1633) | 61.82 (1570.17) | -2.47 (-62.83) -3.8% |
| Sidewall Height inches (mm) | 4.23 (107.5) | 3.84 (97.5) | -0.39 (-10) -9.3% |
| Revolutions per mile (km) | 985.51 (612.37) | 1024.95 (636.87) | 39.44 (24.5) 4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.23 mph (30.95 km/h) |
| 25 mph (40.23 km/h) | 24.04 mph (38.69 km/h) |
| 30 mph (48.28 km/h) | 28.85 mph (46.42 km/h) |
| 35 mph (56.33 km/h) | 33.65 mph (54.16 km/h) |
| 40 mph (64.37 km/h) | 38.46 mph (61.9 km/h) |
| 45 mph (72.42 km/h) | 43.27 mph (69.63 km/h) |
| 50 mph (80.47 km/h) | 48.08 mph (77.37 km/h) |
| 55 mph (88.51 km/h) | 52.88 mph (85.11 km/h) |
| 60 mph (96.56 km/h) | 57.69 mph (92.85 km/h) |
| 65 mph (104.61 km/h) | 62.5 mph (100.58 km/h) |
| 70 mph (112.65 km/h) | 67.31 mph (108.32 km/h) |
| 75 mph (120.7 km/h) | 72.11 mph (116.06 km/h) |
| 80 mph (128.75 km/h) | 76.92 mph (123.79 km/h) |
| 85 mph (136.79 km/h) | 81.73 mph (131.53 km/h) |
| 90 mph (144.84 km/h) | 86.54 mph (139.27 km/h) |
| 95 mph (152.89 km/h) | 91.34 mph (147.01 km/h) |
| 100 mph (160.93 km/h) | 96.15 mph (154.74 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
