Rover 600 Wheel Lug Pattern, Offset, and Rim Size Reference
The Rover 600 wheel lug pattern specifications include the lug count and pitch circle diameter (PCD), which are essential for ensuring proper wheel fitment. This model typically uses a 4×100 mm lug pattern, a standard in many Rover 600 variants. Alongside the lug pattern, understanding the offset (ET) and center bore dimensions is crucial for safe and compatible wheel installation.\n\nRover 600 offset values (ET) generally range from 35 mm to 45 mm depending on the production year and rim size. The center bore size is typically 56.1 mm, matching the hub diameter to maintain secure mounting and avoid vibrations. Rim diameter and width sizes vary, commonly spanning from 14 to 16 inches in diameter, with widths suited to standard tire options for this model.\n\nThis year-sorted reference makes it easy to identify the correct wheel specifications for your Rover 600, facilitating appropriate upgrades or replacements. Accurate info on lug pattern, offset, and center bore assists in maintaining optimal driving dynamics and vehicle safety.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Rover 600 618 i/Si | 1999 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Sdi | 1999 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Si | 1999 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Ti Vitesse | 1999 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 623 Si | 1999 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 618 i/Si | 1998 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Sdi | 1998 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Si | 1998 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Ti Vitesse | 1998 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 623 Si | 1998 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 618 i/Si | 1997 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Sdi | 1997 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Si | 1997 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Ti Vitesse | 1997 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 623 Si | 1997 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 618 i/Si | 1996 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 i | 1996 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Sdi | 1996 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Si | 1996 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Ti Vitesse | 1996 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 623 Si | 1996 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 i | 1995 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Sdi | 1995 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Si | 1995 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Ti Vitesse | 1995 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 623 Si | 1995 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 i | 1994 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Sdi | 1994 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Si | 1994 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Ti Vitesse | 1994 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 623 Si | 1994 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 i | 1993 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 620 Si | 1993 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
| Rover 600 623 Si | 1993 | 185/65R15 | 6 | 15 | 4×114.3 | 50 | 64.1 | M12*1,5 |
FAQ
- What is the lug pattern for the Rover 600?
- The Rover 600 commonly uses a 4×100 mm lug pattern, indicating 4 lugs spaced in a 100 mm pitch circle diameter.
- What offset (ET) do Rover 600 wheels typically have?
- Wheel offsets for Rover 600 usually range between 35 mm and 45 mm depending on the production year and wheel size.
- Why is center bore important for Rover 600 wheels?
- The center bore, typically 56.1 mm, ensures the wheel fits snugly on the hub, preventing vibrations and ensuring safe mounting.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
