Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-14 | 165/30-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.14 (511.6) | 17.9 (454.6) | -2.24 (-57) -11.1% |
| Width inches (mm) | 7.68 (195) | 6.5 (165) | -1.18 (-30) -15.4% |
| Circum. inches (mm) | 63.28 (1607.24) | 56.23 (1428.17) | -7.05 (-179.07) -11.1% |
| Sidewall Height inches (mm) | 3.07 (78) | 1.95 (49.5) | -1.12 (-28.5) -36.5% |
| Revolutions per mile (km) | 1001.31 (622.18) | 1126.86 (700.2) | 125.55 (78.01) 12.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.77 mph (28.6 km/h) |
| 25 mph (40.23 km/h) | 22.21 mph (35.75 km/h) |
| 30 mph (48.28 km/h) | 26.66 mph (42.9 km/h) |
| 35 mph (56.33 km/h) | 31.1 mph (50.05 km/h) |
| 40 mph (64.37 km/h) | 35.54 mph (57.2 km/h) |
| 45 mph (72.42 km/h) | 39.99 mph (64.35 km/h) |
| 50 mph (80.47 km/h) | 44.43 mph (71.5 km/h) |
| 55 mph (88.51 km/h) | 48.87 mph (78.65 km/h) |
| 60 mph (96.56 km/h) | 53.32 mph (85.8 km/h) |
| 65 mph (104.61 km/h) | 57.76 mph (92.95 km/h) |
| 70 mph (112.65 km/h) | 62.2 mph (100.1 km/h) |
| 75 mph (120.7 km/h) | 66.64 mph (107.25 km/h) |
| 80 mph (128.75 km/h) | 71.09 mph (114.4 km/h) |
| 85 mph (136.79 km/h) | 75.53 mph (121.55 km/h) |
| 90 mph (144.84 km/h) | 79.97 mph (128.7 km/h) |
| 95 mph (152.89 km/h) | 84.42 mph (135.85 km/h) |
| 100 mph (160.93 km/h) | 88.86 mph (143 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
