Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 165/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 25.74 (653.9) | 4.55 (115.5) 21.5% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 66.59 (1691.43) | 80.88 (2054.29) | 14.29 (362.85) 21.5% |
| Sidewall Height inches (mm) | 2.6 (66) | 4.87 (123.75) | 2.27 (57.75) 87.5% |
| Revolutions per mile (km) | 951.47 (591.21) | 783.41 (486.79) | -168.06 (-104.43) -17.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.29 mph (39.09 km/h) |
| 25 mph (40.23 km/h) | 30.36 mph (48.86 km/h) |
| 30 mph (48.28 km/h) | 36.44 mph (58.64 km/h) |
| 35 mph (56.33 km/h) | 42.51 mph (68.41 km/h) |
| 40 mph (64.37 km/h) | 48.58 mph (78.18 km/h) |
| 45 mph (72.42 km/h) | 54.65 mph (87.96 km/h) |
| 50 mph (80.47 km/h) | 60.73 mph (97.73 km/h) |
| 55 mph (88.51 km/h) | 66.8 mph (107.5 km/h) |
| 60 mph (96.56 km/h) | 72.87 mph (117.28 km/h) |
| 65 mph (104.61 km/h) | 78.94 mph (127.05 km/h) |
| 70 mph (112.65 km/h) | 85.02 mph (136.82 km/h) |
| 75 mph (120.7 km/h) | 91.09 mph (146.59 km/h) |
| 80 mph (128.75 km/h) | 97.16 mph (156.37 km/h) |
| 85 mph (136.79 km/h) | 103.23 mph (166.14 km/h) |
| 90 mph (144.84 km/h) | 109.31 mph (175.91 km/h) |
| 95 mph (152.89 km/h) | 115.38 mph (185.69 km/h) |
| 100 mph (160.93 km/h) | 121.45 mph (195.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1994 | 2316 | 2494 | 2604 | 2723 | 2808 | 2901 | 3012 | 3164 | 3317 | 3487 | 3622 | 3868 | 4140 | 4352 | 4488 | 4564 | 4844 | 5234 | 6083 |
Better Fuel Economy Factory Ratios Increased Power
