Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-14 | 189/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.14 (511.6) | 22.93 (582.4) | 2.79 (70.8) 13.8% |
| Width inches (mm) | 7.68 (195) | 7.44 (189) | -0.24 (-6) -3.1% |
| Circum. inches (mm) | 63.28 (1607.24) | 72.03 (1829.66) | 8.76 (222.42) 13.8% |
| Sidewall Height inches (mm) | 3.07 (78) | 4.46 (113.4) | 1.39 (35.4) 45.4% |
| Revolutions per mile (km) | 1001.31 (622.18) | 879.58 (546.55) | -121.73 (-75.64) -12.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.77 mph (36.64 km/h) |
| 25 mph (40.23 km/h) | 28.46 mph (45.8 km/h) |
| 30 mph (48.28 km/h) | 34.15 mph (54.96 km/h) |
| 35 mph (56.33 km/h) | 39.84 mph (64.12 km/h) |
| 40 mph (64.37 km/h) | 45.54 mph (73.28 km/h) |
| 45 mph (72.42 km/h) | 51.23 mph (82.44 km/h) |
| 50 mph (80.47 km/h) | 56.92 mph (91.6 km/h) |
| 55 mph (88.51 km/h) | 62.61 mph (100.76 km/h) |
| 60 mph (96.56 km/h) | 68.3 mph (109.92 km/h) |
| 65 mph (104.61 km/h) | 74 mph (119.08 km/h) |
| 70 mph (112.65 km/h) | 79.69 mph (128.24 km/h) |
| 75 mph (120.7 km/h) | 85.38 mph (137.4 km/h) |
| 80 mph (128.75 km/h) | 91.07 mph (146.57 km/h) |
| 85 mph (136.79 km/h) | 96.76 mph (155.73 km/h) |
| 90 mph (144.84 km/h) | 102.46 mph (164.89 km/h) |
| 95 mph (152.89 km/h) | 108.15 mph (174.05 km/h) |
| 100 mph (160.93 km/h) | 113.84 mph (183.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2238 | 2600 | 2800 | 2924 | 3058 | 3153 | 3258 | 3381 | 3553 | 3724 | 3915 | 4067 | 4343 | 4648 | 4886 | 5039 | 5124 | 5439 | 5877 | 6829 |
Better Fuel Economy Factory Ratios Increased Power
