The 2007 Saturn Ion, the latest model year on record, is 185″ long, 67.7″ wide and 56.3″ tall on a 103.1″ wheelbase, and weighs 2,795 lb. At 15.4 ft it fits a standard garage and leaves 2.6 ft spare in an 18-foot street space.
Every Saturn Ion generation, measured
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2003–2007 | 185″ | 67.7″ | 56.7″ | 103.1″ | 2,723 lb |
Ion year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2007 | 185″ | 67.7″ | 103.1″ | 3 | |
| 2006 | 185″ | 67.7″ | 103.1″ | 3 | |
| 2005 | 185″ | 67.7″ | 103.1″ | 3 | |
| 2004 | 185″ | 67.7″ | 103.1″ | 2 | |
| 2003 | 185″ | 67.7″ | 103.1″ | 2 |
Ion on the used market
In 128 Ion listings we have collected since June 2026, the 2003–2007 car is the most common: 124 of them (97%), at an average asking price of $2,911.
| Generation | Listings | Share | Average asking price | Average mileage |
|---|---|---|---|---|
| 2003–2007 | 124 | 97% | $2,911 | 146,189 mi |
Will a Ion fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 15.4 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 15.4 ft | Fits comfortably |
| Standard parking bay width | 8.5 ft wide | 5.6 ft | Room to open doors both sides |
Against cars of the same length
Among the 1,131 cars within 10″ of its length, the Ion is lighter than 91% and narrower than 90%, and has a shorter wheelbase than 83%.
| Measure | This car | Typical of 1,131 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 67.7″ | 72.4″ | −4.7″ |
| Wheelbase | 103.1″ | 107.9″ | −4.8″ |
| Curb weight | 2,795 lb | 3,640 lb | −845 lb |
Ion against its rivals
Next to the Chevrolet Cavalier, Jaguar X-Type and BMW 525i, the Ion is the narrowest of the four.
| Model | Model year | Length | Width | Curb weight |
|---|---|---|---|---|
| Saturn Ion (this car) | 2007 | 185″ | 67.7″ | 2,795 lb |
| Chevrolet Cavalier | 2005 | 182.7″ | 68.1″ | 2,694 lb |
| Jaguar X-Type | 2008 | 184.6″ | 70.5″ | 3,640 lb |
| BMW 525i | 2007 | 190.9″ | 72.8″ | 3,395 lb |
Specs vary by trim. Yours decodes from the VIN.
- Exact build, engine and factory options for one VIN
- The original window sticker as it left the factory
- What that specific configuration is worth today
- Decode a whole list of VINs at once
- No ads, on every page
- No ads, no tracking — and much more
Frequently asked questions
Is the 2007 Ion bigger than the 2006?
No. The 2007 and 2006 Ion are the same size and weight.
Which is bigger, the Ion or the Chevrolet Cavalier?
The 2005 Chevrolet Cavalier is 2.3″ shorter and 101 lb lighter than the 2007 Ion.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.