Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-14 | 205/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.14 (511.6) | 24.49 (622.1) | 4.35 (110.5) 21.6% |
| Width inches (mm) | 7.68 (195) | 8.07 (205) | 0.39 (10) 5.1% |
| Circum. inches (mm) | 63.28 (1607.24) | 76.94 (1954.38) | 13.67 (347.15) 21.6% |
| Sidewall Height inches (mm) | 3.07 (78) | 5.25 (133.25) | 2.18 (55.25) 70.8% |
| Revolutions per mile (km) | 1001.31 (622.18) | 823.45 (511.67) | -177.86 (-110.51) -17.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.32 mph (39.14 km/h) |
| 25 mph (40.23 km/h) | 30.4 mph (48.92 km/h) |
| 30 mph (48.28 km/h) | 36.48 mph (58.71 km/h) |
| 35 mph (56.33 km/h) | 42.56 mph (68.49 km/h) |
| 40 mph (64.37 km/h) | 48.64 mph (78.28 km/h) |
| 45 mph (72.42 km/h) | 54.72 mph (88.06 km/h) |
| 50 mph (80.47 km/h) | 60.8 mph (97.85 km/h) |
| 55 mph (88.51 km/h) | 66.88 mph (107.63 km/h) |
| 60 mph (96.56 km/h) | 72.96 mph (117.42 km/h) |
| 65 mph (104.61 km/h) | 79.04 mph (127.2 km/h) |
| 70 mph (112.65 km/h) | 85.12 mph (136.99 km/h) |
| 75 mph (120.7 km/h) | 91.2 mph (146.77 km/h) |
| 80 mph (128.75 km/h) | 97.28 mph (156.56 km/h) |
| 85 mph (136.79 km/h) | 103.36 mph (166.34 km/h) |
| 90 mph (144.84 km/h) | 109.44 mph (176.13 km/h) |
| 95 mph (152.89 km/h) | 115.52 mph (185.91 km/h) |
| 100 mph (160.93 km/h) | 121.6 mph (195.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2096 | 2434 | 2622 | 2738 | 2862 | 2952 | 3050 | 3166 | 3326 | 3487 | 3665 | 3808 | 4066 | 4352 | 4574 | 4717 | 4797 | 5092 | 5502 | 6394 |
Better Fuel Economy Factory Ratios Increased Power
