Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/45-14 | 165/40-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.91 (531.1) | 19.2 (487.6) | -1.71 (-43.5) -8.2% |
| Width inches (mm) | 7.68 (195) | 6.5 (165) | -1.18 (-30) -15.4% |
| Circum. inches (mm) | 65.69 (1668.5) | 60.31 (1531.84) | -5.38 (-136.66) -8.2% |
| Sidewall Height inches (mm) | 3.45 (87.75) | 2.6 (66) | -0.86 (-21.75) -24.8% |
| Revolutions per mile (km) | 964.55 (599.34) | 1050.59 (652.81) | 86.05 (53.47) 8.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.36 mph (29.55 km/h) |
| 25 mph (40.23 km/h) | 22.95 mph (36.94 km/h) |
| 30 mph (48.28 km/h) | 27.54 mph (44.33 km/h) |
| 35 mph (56.33 km/h) | 32.13 mph (51.71 km/h) |
| 40 mph (64.37 km/h) | 36.72 mph (59.1 km/h) |
| 45 mph (72.42 km/h) | 41.31 mph (66.49 km/h) |
| 50 mph (80.47 km/h) | 45.9 mph (73.88 km/h) |
| 55 mph (88.51 km/h) | 50.5 mph (81.26 km/h) |
| 60 mph (96.56 km/h) | 55.09 mph (88.65 km/h) |
| 65 mph (104.61 km/h) | 59.68 mph (96.04 km/h) |
| 70 mph (112.65 km/h) | 64.27 mph (103.43 km/h) |
| 75 mph (120.7 km/h) | 68.86 mph (110.81 km/h) |
| 80 mph (128.75 km/h) | 73.45 mph (118.2 km/h) |
| 85 mph (136.79 km/h) | 78.04 mph (125.59 km/h) |
| 90 mph (144.84 km/h) | 82.63 mph (132.98 km/h) |
| 95 mph (152.89 km/h) | 87.22 mph (140.37 km/h) |
| 100 mph (160.93 km/h) | 91.81 mph (147.75 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
