Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-14 | 195/25-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.14 (511.6) | 17.84 (453.1) | -2.3 (-58.5) -11.4% |
| Width inches (mm) | 7.68 (195) | 7.68 (195) | 0 (0) 0% |
| Circum. inches (mm) | 63.28 (1607.24) | 56.04 (1423.46) | -7.24 (-183.78) -11.4% |
| Sidewall Height inches (mm) | 3.07 (78) | 1.92 (48.75) | -1.15 (-29.25) -37.5% |
| Revolutions per mile (km) | 1001.31 (622.18) | 1130.59 (702.51) | 129.28 (80.33) 12.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.71 mph (28.51 km/h) |
| 25 mph (40.23 km/h) | 22.14 mph (35.63 km/h) |
| 30 mph (48.28 km/h) | 26.57 mph (42.76 km/h) |
| 35 mph (56.33 km/h) | 31 mph (49.89 km/h) |
| 40 mph (64.37 km/h) | 35.43 mph (57.01 km/h) |
| 45 mph (72.42 km/h) | 39.85 mph (64.14 km/h) |
| 50 mph (80.47 km/h) | 44.28 mph (71.27 km/h) |
| 55 mph (88.51 km/h) | 48.71 mph (78.39 km/h) |
| 60 mph (96.56 km/h) | 53.14 mph (85.52 km/h) |
| 65 mph (104.61 km/h) | 57.57 mph (92.65 km/h) |
| 70 mph (112.65 km/h) | 62 mph (99.77 km/h) |
| 75 mph (120.7 km/h) | 66.42 mph (106.9 km/h) |
| 80 mph (128.75 km/h) | 70.85 mph (114.03 km/h) |
| 85 mph (136.79 km/h) | 75.28 mph (121.15 km/h) |
| 90 mph (144.84 km/h) | 79.71 mph (128.28 km/h) |
| 95 mph (152.89 km/h) | 84.14 mph (135.41 km/h) |
| 100 mph (160.93 km/h) | 88.57 mph (142.53 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
