Hello and welcome to the forum, I was able to gather some information that might provide you some additional context.
🔧 Handling and Steering
- Steering Feel: With 17" wheels and lower-profile tires (e.g., 225/45 R17), steering will feel slightly heavier, especially at low speeds like in parking situations. However, it’s not too hard just a bit firmer than with smaller wheels.
- Response: You'll get more precise turn-in and better cornering stability due to stiffer sidewalls. Many drivers consider this a performance improvement.
🏎 Acceleration and Performance
- Acceleration: Expect a minor loss in low-end acceleration, especially with heavier aftermarket wheels. The 1.6 TDI isn’t particularly powerful (90–105 hp), so the added rotational mass and increased rolling resistance of wider tires can be felt slightly when pulling away.
- Top Speed: Negligible difference, unless the wheels are significantly heavier than stock.
- Real-world impact: Acceleration difference is modest you’ll notice it more when climbing hills or fully loaded, but it's not dramatic.
⛽ Fuel Economy
- You may lose 0.2–0.5 L/100 km (or 2–5 mpg) due to:
- Increased rolling resistance
- Heavier wheel/tire combo
- Wider tire contact patch
If fuel economy is a top priority, you might stick with 15–16" wheels.
🛞 Ride Comfort
- Ride will be firmer due to lower-profile tires on 17s. If you're used to 195/65 R15 or 205/55 R16, the ride will feel more bumpy on rough roads or potholes.
- Not unbearable, but definitely stiffer—depends on the condition of roads in your area and how sensitive you are to ride quality.
✅ Summary
Aspect | 17" Wheels on 1.6 TDI Golf Mk6 |
---|
Steering Feel | Heavier, more precise |
Acceleration | Slightly reduced, mostly low-end |
Top Speed | Little to no difference |
Fuel Economy | Slight drop |
Ride Comfort | Firmer, less forgiving on bad roads |
Looks/Style | Improved appearance |
If you choose lightweight OEM or flow-formed aftermarket 17" wheels, the performance hit is barely noticeable. Just make sure to keep the overall rolling diameter close to stock to avoid speedometer error (e.g., 225/45 R17 is a good match).