Cadillac Xlr
Cadillac Xlr — 2004–2009, 2-door roadster, 4.6 L ''Northstar'' V84.4 L ''Northstar'' Supercharged V8. Explore engine specifications, fuel economy, dimensions, tire sizes, seating, maintenance and tire-pressure guidance.

About the Cadillac Xlr
Cadillac Xlr is a 2-door roadster in the grand tourer (s) class, with source data covering 2004–2009. The available vehicle data lists 4.6 L ''Northstar'' V84.4 L ''Northstar'' Supercharged V8 as an engine configuration, paired with 5-speed ''5L50'' automatic; 6-speed ''6L80'' automatic and a FR layout layout. Public source material describes the model in the context of its design, market positioning and vehicle history.
This Cadillac Xlr guide focuses on the details drivers commonly want to know, including engine information for 4.6 L ''Northstar'' V84.4 L ''Northstar'' Supercharged V8 and 5-speed ''5L50'' automatic; 6-speed ''6L80'' automatic transmission information. Exact specifications should be matched to the relevant model year and market.
Cadillac Xlr specifications at a glance
Use this table for the model-level essentials. Exact figures may vary by year, trim, engine and market.
| Make | Cadillac |
|---|---|
| Model | Xlr |
| Model years | 2004–2009 |
| Body style | 2-door roadster |
| Vehicle class | Grand tourer (S) |
| Manufacturer | Cadillac (General Motors) |
| Production | 2003–2009 |
| Market / country | CA, FI, GB, NL, NZ, US |
Engine, transmission and performance
Engine information for the Cadillac Xlr includes 4.6 L ''Northstar'' V84.4 L ''Northstar'' Supercharged V8.. Transmission information includes 5-speed ''5L50'' automatic; 6-speed ''6L80'' automatic.. The listed drivetrain/layout is FR layout.
| Engine | 4.6 L ''Northstar'' V84.4 L ''Northstar'' Supercharged V8 |
|---|---|
| Transmission | 5-speed ''5L50'' automatic; 6-speed ''6L80'' automatic |
| Drivetrain / layout | FR layout |
Dimensions, weight and practicality
Dimensions and capacity figures are presented as published source data when available.
| Wheelbase | 105.7 in (2,685 mm) |
|---|---|
| Length | 177.7 in (4,514 mm) |
| Width | 72.3 in (1,836 mm) |
| Height | 50.4 in (1,280 mm) |
| Kerb / curb weight | 3840 lb (1,742 kg) |
Cadillac Xlr other specifications
| Name | Cadillac XLR |
|---|---|
| Image | Black Cadillac XLR; Hastings, MN (41324714390) (cropped).jpg |
Cadillac Xlr generations and model years
Where a source covers multiple generations, CarCareTool selects the generation(s) that best match this catalog model instead of mixing unrelated variants.
| Generation / scope | Years | Engine | Transmission | Drivetrain |
|---|---|---|---|---|
| Cadillac XLR | 2004–2009 | 4.6 L ''Northstar'' V84.4 L ''Northstar'' Supercharged V8 | 5-speed ''5L50'' automatic; 6-speed ''6L80'' automatic | FR layout |
Recommended tire pressure for Cadillac Xlr
Check the vehicle placard or owner’s manual for the manufacturer’s cold inflation pressure. CarCareTool estimates are clearly labelled when an exact verified value is unavailable.
| Load condition | Front | Rear | Status |
|---|---|---|---|
| Normal | 34 PSI | 32 PSI | Estimate |
| Fully loaded | 36 PSI | 35 PSI | Estimate |
Frequently asked questions about Cadillac Xlr
These FAQs are generated automatically for this specific vehicle from the specifications, features and ownership data available in CarCareTool. Questions are selected by relevance so the page focuses on details that can actually be answered for this model.
What engine does the Cadillac Xlr have?
What tire pressure should I use for the Cadillac Xlr?
What is the best engine oil for the Cadillac Xlr?
What body style is the Cadillac Xlr?
What years was the Cadillac Xlr produced?
What are the dimensions of the Cadillac Xlr?
What transmission does the Cadillac Xlr have?
Is the Cadillac Xlr FWD, RWD or AWD?
Who makes the Cadillac Xlr?
When was the Cadillac Xlr produced?
How much does the Cadillac Xlr weigh?
Where was the Cadillac Xlr built?
What class of car is the Cadillac Xlr?
What platform does the Cadillac Xlr use?
Which markets or countries sold the Cadillac Xlr?
What replaced the Cadillac Xlr?
What cars are related to the Cadillac Xlr?
How often should I check the tire pressure on the Cadillac Xlr?
Should I use the tire sidewall pressure for the Cadillac Xlr?
Does the recommended tire pressure change when the Cadillac Xlr is fully loaded?
Data sources and verification are available in the page editor; exact specifications can vary by year, market, trim and engine.
Cadillac Xlr images
Vehicle images are shown from the stored source image records when available.

