Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-12 | 195/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.5 (520.8) | 24.98 (634.5) | 4.48 (113.7) 21.8% |
| Width inches (mm) | 5.31 (135) | 7.68 (195) | 2.36 (60) 44.4% |
| Circum. inches (mm) | 64.42 (1636.14) | 78.48 (1993.34) | 14.06 (357.2) 21.8% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.99 (126.75) | 0.74 (18.75) 17.4% |
| Revolutions per mile (km) | 983.62 (611.19) | 807.36 (501.67) | -176.26 (-109.52) -17.9% |
195/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.37 mph (39.21 km/h) |
| 25 mph (40.23 km/h) | 30.46 mph (49.02 km/h) |
| 30 mph (48.28 km/h) | 36.55 mph (58.82 km/h) |
| 35 mph (56.33 km/h) | 42.64 mph (68.62 km/h) |
| 40 mph (64.37 km/h) | 48.73 mph (78.43 km/h) |
| 45 mph (72.42 km/h) | 54.82 mph (88.23 km/h) |
| 50 mph (80.47 km/h) | 60.92 mph (98.03 km/h) |
| 55 mph (88.51 km/h) | 67.01 mph (107.84 km/h) |
| 60 mph (96.56 km/h) | 73.1 mph (117.64 km/h) |
| 65 mph (104.61 km/h) | 79.19 mph (127.45 km/h) |
| 70 mph (112.65 km/h) | 85.28 mph (137.25 km/h) |
| 75 mph (120.7 km/h) | 91.37 mph (147.05 km/h) |
| 80 mph (128.75 km/h) | 97.47 mph (156.86 km/h) |
| 85 mph (136.79 km/h) | 103.56 mph (166.66 km/h) |
| 90 mph (144.84 km/h) | 109.65 mph (176.46 km/h) |
| 95 mph (152.89 km/h) | 115.74 mph (186.27 km/h) |
| 100 mph (160.93 km/h) | 121.83 mph (196.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2055 | 2387 | 2570 | 2684 | 2806 | 2894 | 2990 | 3104 | 3261 | 3418 | 3593 | 3733 | 3987 | 4267 | 4485 | 4625 | 4704 | 4992 | 5394 | 6269 |
Better Fuel Economy Factory Ratios Increased Power
