Alfa Romeo 166 Tire Sizes & Rim Dimensions by Year and Trim
The Alfa Romeo 166 features a range of tire sizes and rim dimensions that vary by model year and trim level. Typical tire sizes for early models include 205/55 R16 or 215/55 R16, while later trims may use larger wheels such as 215/50 R17 or 225/45 R17. Rim widths generally range from 6.5 to 7.5 inches in diameter, matching the tire specifications.\n\nWhen selecting tires for your Alfa Romeo 166, it's important to check the specific trim and model year to ensure compatibility. Higher trims often come with wider rims and lower profile tires for enhanced handling and sportier aesthetics. Comparing trims involves reviewing their original tire markings and rim size measurements to find suitable replacements or upgrades.\n\nAlways refer to the vehicle's manual or tire placard for exact tire size and rim width recommendations. Proper fitment maintains safety, performance, and fuel efficiency. Consider consulting a tire professional if planning to change rim diameters or tire profiles outside factory specifications.\n\nUnderstanding these sizing details helps Alfa Romeo 166 owners maintain optimal wheel-tire combinations, ensuring the vehicle's balanced ride quality and precise steering response.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Alfa Romeo 166 2.0 T.Spark | 2007 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 2007 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 2007 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 2007 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.2 V6 24V | 2007 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 T.Spark | 2006 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 2006 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 2006 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 2006 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.2 V6 24V | 2006 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 T.Spark | 2005 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 2005 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 2005 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 2005 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.2 V6 24V | 2005 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 T.Spark | 2004 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 2004 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 2004 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 2004 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.2 V6 24V | 2004 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 T.Spark | 2003 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 2003 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 2003 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 2003 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.2 V6 24V | 2003 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 T.Spark | 2002 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 2002 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 2002 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 2002 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 T.Spark | 2001 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 2001 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 2001 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 2001 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 T.Spark | 2000 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 V6 | 2000 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 2000 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 2000 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 2000 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 T.Spark | 1999 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 V6 | 1999 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 1999 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 1999 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 1999 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 T.Spark | 1998 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.0 V6 | 1998 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.4 JTD | 1998 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 2.5 V6 24V | 1998 | 205/55R16 | 6.5" × 16" |
| Alfa Romeo 166 3.0 V6 24V | 1998 | 205/55R16 | 6.5" × 16" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Alfa Romeo 166.
FAQ
- What are the common tire sizes for Alfa Romeo 166?
- Common tire sizes include 205/55 R16, 215/55 R16, 215/50 R17, and 225/45 R17, depending on the model year and trim.
- How do rim widths vary between Alfa Romeo 166 trims?
- Rim widths typically range from 6.5 to 7.5 inches, with sportier trims usually equipped with wider rims to accommodate lower profile tires.
- Can I use different tire sizes than originally specified for my Alfa Romeo 166?
- It's best to stick to manufacturer recommended sizes, but minor variations may be possible if they maintain overall diameter and load ratings; consult a tire specialist before changing sizes.
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 |
