Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/70-20 | 195/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.09 (739) | 30.75 (781) | 1.65 (42) 5.7% |
| Width inches (mm) | 6.5 (165) | 7.68 (195) | 1.18 (30) 18.2% |
| Circum. inches (mm) | 91.4 (2321.64) | 96.6 (2453.58) | 5.19 (131.95) 5.7% |
| Sidewall Height inches (mm) | 4.55 (115.5) | 5.37 (136.5) | 0.83 (21) 18.2% |
| Revolutions per mile (km) | 693.19 (430.73) | 655.92 (407.57) | -37.28 (-23.16) -5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.14 mph (34.02 km/h) |
| 25 mph (40.23 km/h) | 26.42 mph (42.52 km/h) |
| 30 mph (48.28 km/h) | 31.71 mph (51.02 km/h) |
| 35 mph (56.33 km/h) | 36.99 mph (59.53 km/h) |
| 40 mph (64.37 km/h) | 42.27 mph (68.03 km/h) |
| 45 mph (72.42 km/h) | 47.56 mph (76.54 km/h) |
| 50 mph (80.47 km/h) | 52.84 mph (85.04 km/h) |
| 55 mph (88.51 km/h) | 58.13 mph (93.54 km/h) |
| 60 mph (96.56 km/h) | 63.41 mph (102.05 km/h) |
| 65 mph (104.61 km/h) | 68.69 mph (110.55 km/h) |
| 70 mph (112.65 km/h) | 73.98 mph (119.06 km/h) |
| 75 mph (120.7 km/h) | 79.26 mph (127.56 km/h) |
| 80 mph (128.75 km/h) | 84.55 mph (136.06 km/h) |
| 85 mph (136.79 km/h) | 89.83 mph (144.57 km/h) |
| 90 mph (144.84 km/h) | 95.12 mph (153.07 km/h) |
| 95 mph (152.89 km/h) | 100.4 mph (161.58 km/h) |
| 100 mph (160.93 km/h) | 105.68 mph (170.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1669 | 1939 | 2088 | 2181 | 2280 | 2351 | 2429 | 2522 | 2649 | 2777 | 2919 | 3033 | 3239 | 3466 | 3644 | 3757 | 3821 | 4056 | 4382 | 5093 |
Better Fuel Economy Factory Ratios Increased Power
