The current Saturn Ion is 185″ long, 67.7″ wide, on a 103.1″ wheelbase, weighing 2,723 lb. At 15.4 feet it fits a standard garage and fits a street parking space.
Every Saturn Ion generation, measured
One row per generation. Watch the weight column — that is where most of the change happens for the Saturn Ion, 0 lb of it since 2003, and it is the number that decides fuel use, tyre wear and how far the car takes to stop.
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2003–2007 | 185″ | 67.7″ | 56.7″ | 103.1″ | 2,723 lb |
Ion year by year
Measured every model year, not just at generation changes — 5 years on record for the Saturn Ion. Small moves inside a generation are facelifts; the jumps are the 1 new platforms below.
| 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 |
Will a Ion fit
The practical question behind every dimensions search, and for a 15.4-foot Saturn Ion it has a straight answer. A single-car garage in the US is typically 20 feet deep and a street parking space about 18, so the Ion clears the garage by 3.6 ft. We allow a foot of clearance in both — nobody parks to the millimetre.
| 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
Compared with 1,050 vehicles within ten inches of the same length — a fair proxy for «cars of this size», regardless of what the marketing calls them.
| Measure | This car | Typical car of this length | Difference |
|---|---|---|---|
| Width | 67.7″ | 72″ | -4.3″ |
| Wheelbase | 103.1″ | 107.5″ | -4.4″ |
| Curb weight | 2,723 lb | 3,620 lb | -897 lb |
A longer wheelbase for the same overall length means shorter overhangs — usually more cabin space and a steadier ride. At 2,723 lb the Saturn Ion is 897 lb lighter than typical for its size, which generally shows up as fuel economy and stopping distance.
Specs vary by trim. Yours decodes from the VIN.
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How we measure
Dimensions come from NHTSA vPIC and Transport Canada vehicle records — manufacturer-declared figures, held in metric and converted to inches and pounds for display, 5 measured model years for the Saturn Ion between 2003 and 2007.
One row per generation, not per model year: manufacturers rarely change the body between facelifts, and the Saturn Ion fits into 1 rows instead of 5. Where a generation offered several body styles, the figures are the base measurements for that generation of the Saturn Ion.
Frequently asked questions
How long is a Saturn Ion?
185″ (15′ 5″) in its current generation, 67.7″ wide and 56.7″ tall.
How much does a Saturn Ion weigh?
2,723 lb at the kerb.
Will a Ion fit in a garage?
At 15.4 feet it fits a standard 20-foot single garage with room to spare. A street parking space of 18 feet is comfortable.
Has the Ion got bigger over the years?
Not materially, by the generations we hold.
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