Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 196/65-15 | 195/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.03 (635.8) | 27.98 (710.7) | 2.95 (74.9) 11.8% |
| Width inches (mm) | 7.72 (196) | 7.68 (195) | -0.04 (-1) -0.5% |
| Circum. inches (mm) | 78.64 (1997.42) | 87.9 (2232.73) | 9.26 (235.31) 11.8% |
| Sidewall Height inches (mm) | 5.02 (127.4) | 4.99 (126.75) | -0.03 (-0.65) -0.5% |
| Revolutions per mile (km) | 805.71 (500.64) | 720.8 (447.88) | -84.91 (-52.76) -10.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.36 mph (35.98 km/h) |
| 25 mph (40.23 km/h) | 27.95 mph (44.97 km/h) |
| 30 mph (48.28 km/h) | 33.53 mph (53.97 km/h) |
| 35 mph (56.33 km/h) | 39.12 mph (62.96 km/h) |
| 40 mph (64.37 km/h) | 44.71 mph (71.96 km/h) |
| 45 mph (72.42 km/h) | 50.3 mph (80.95 km/h) |
| 50 mph (80.47 km/h) | 55.89 mph (89.95 km/h) |
| 55 mph (88.51 km/h) | 61.48 mph (98.94 km/h) |
| 60 mph (96.56 km/h) | 67.07 mph (107.94 km/h) |
| 65 mph (104.61 km/h) | 72.66 mph (116.93 km/h) |
| 70 mph (112.65 km/h) | 78.25 mph (125.93 km/h) |
| 75 mph (120.7 km/h) | 83.84 mph (134.92 km/h) |
| 80 mph (128.75 km/h) | 89.42 mph (143.91 km/h) |
| 85 mph (136.79 km/h) | 95.01 mph (152.91 km/h) |
| 90 mph (144.84 km/h) | 100.6 mph (161.9 km/h) |
| 95 mph (152.89 km/h) | 106.19 mph (170.9 km/h) |
| 100 mph (160.93 km/h) | 111.78 mph (179.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1834 | 2131 | 2295 | 2396 | 2506 | 2584 | 2669 | 2771 | 2911 | 3052 | 3208 | 3333 | 3559 | 3809 | 4004 | 4129 | 4199 | 4457 | 4816 | 5597 |
Better Fuel Economy Factory Ratios Increased Power
