Pontiac G8 Quick Links
Car Price Comparison
Pontiac G8 vs. Cadillac CTS
On this site: compare the Pontiac G8 and Cadillac CTS in terms of:
- how often they require a repair
- real-world gas mileage
- owners' reasons for buying (or not buying) them
Cadillac CTS Quick Links
On this page: The Internet's most balanced and thorough car price and features comparison between the Pontiac G8 and Cadillac CTS. Including:
- Price Comparison
- Invoice Comparison
- Feature Comparison
- TrueDelta Car Value Comparison
- Customized Price Comparison
- Dealer Price Quotes








Specifications Comparison | |||
|---|---|---|---|
| Model Year | 2009 | 2011 | |
| Model | G8 | CTS | |
| Body | 4dr Sedan | 4dr Sedan | |
| Wheelbase | 114.8 | 113.4 | |
| Length | 196.1 | 191.6 | |
| Width | 74.8 | 72.5 | |
| Height | 57.7 | 58.0 | |
| Curb Weight | 4020 | 3872 | |
| Fuel Capacity | 19.0 | 18.0 | |
| R1 Headroom | 38.7 | 38.8 | |
| R1 Shoulder Room | 59.1 | 56.7 | |
| R1 Hip Room | 56.7 | 55.1 | |
| R1 Legroom | 42.2 | 42.4 | |
| R2 Headroom | 38.0 | 37.2 | |
| R2 Shoulder Room | 59.1 | 54.7 | |
| R2 Hip Room | 58.0 | 54.1 | |
| R2 Legroom | 39.4 | 35.9 | |
| Cargo Volume | 17.5 | 13.6 | |
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Price Comparison (MSRP) : Pontiac G8 vs. Cadillac CTSThe sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.Models in short supply often sell at or even above these prices. | |||
|---|---|---|---|
| Model Year | 2009 | 2011 | 2011 |
| Model | G8 | CTS | CTS |
| Trim | GXP | Performance 3.6 | Premium 3.6 |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Base Price | $37,610 | $40,265 | $46,320 |
| 6-speed shiftable automatic | $1,300 | $1,300 | |
| Panoramic sunroof | $1,150 | ||
| Summer Tire Performance Pkg. | $2,090 | $2,090 | |
| Sunroof | $900 | ||
| Total options | $900 | $4,540 | $3,390 |
| Destination | $685 | $825 | $825 |
| Gas Tax / Credit | $1,700 | $0 | $0 |
| Net Price | $40,895 | $45,630 | $50,535 |
| Over MinimumThe difference between a trim and its model's lowest-priced trim. | $0 | $0 | $4,905 |
| Lowest Net Price | G8 GXP 4dr Sedan | ||
| Difference | $4,735 | ||
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Invoice Comparison : Pontiac G8 vs. Cadillac CTSDealer cost before holdback, bonuses, advertising fees, and such. Also before adjusting for remaining feature differences.Models that are not in demand can often be purchased at or a few hundred dollars over these prices. | |||
| Model Year | 2009 | 2011 | 2011 |
| Model | G8 | CTS | CTS |
| Trim | GXP | Performance 3.6 | Premium 3.6 |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Base Invoice | $35,541 | $38,134 | $43,856 |
| 6-speed shiftable automatic | $1,144 | $1,144 | |
| Panoramic sunroof | $1,012 | ||
| Summer Tire Performance Pkg. | $1,839 | $1,839 | |
| Sunroof | $747 | ||
| Total options | $747 | $3,995 | $2,983 |
| Destination | $685 | $825 | $825 |
| Gas Tax / Credit | $1,700 | $0 | $0 |
| Net Invoice | $38,673 | $42,954 | $47,664 |
| Over MinimumThe difference between a trim and its model's lowest-priced trim. | $0 | $0 | $4,710 |
| Lowest Net Invoice | G8 GXP 4dr Sedan | ||
| Difference | $4,281 | ||
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Feature Comparison : Pontiac G8 vs. Cadillac CTSAdjusts for unshared features -- values in parentheses These are features on some but not all of the displayed trim lines.In parentheses are the values assigned to these features by TrueDelta or, optionally, by you. | |||
| Model Year | 2009 | 2011 | 2011 |
| Model | G8 | CTS | CTS |
| Trim | GXP | Performance 3.6 | Premium 3.6 |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Engine | 415hp V8 | 304hp V6 | 304hp V6 |
| Transmission | T6 ($1100) | T6 ($1100) | T6 ($1100) |
| Drivetrain | RWD ($0) | RWD ($0) | RWD ($0) |
| EPA Fuel Economy (City / Highway) | 13 / 20 | 18 / 27 | 18 / 27 |
| Tires (rear if not equal) | 245/40-19 | 245/45-19 | 245/45-19 |
| Audio (watts, speakers) | 230, 11 | 300, 10 | 300, 10 |
| Accessories | |||
| Heated steering wheel ($100) | ![]() | ![]() | ![]() |
| Keyless access and ignition ($250) | ![]() | ![]() | ![]() |
| Remote start ($150) | ![]() | ![]() | ![]() |
| Tilt/telescoping steering wheel, manual ($250) | ![]() | ![]() | ![]() |
| Tilt/telescoping steering wheel, power ($350) | ![]() | ![]() | ![]() |
| Universal garage door opener ($100) | ![]() | ![]() | ![]() |
| Brakes, Airbags, and Other Safety | |||
| Obstacle detection, rear ($250) | ![]() | ![]() | ![]() |
| Rearview monitor ($200) | ![]() | ![]() | ![]() |
| Cargo Management | |||
| Rear seat pass-through ($100) | ![]() | ![]() | ![]() |
| Climate Control and Infotainment | |||
| Automatic air recirculation ($100) | ![]() | ![]() | ![]() |
| CD changer, in-dash ($325) | ![]() | ![]() | ![]() |
| CD player ($125) | ![]() | ![]() | ![]() |
| DVD-Audio-compatible player ($0) | ![]() | ![]() | ![]() |
| DVD-compatible player ($0) | ![]() | ![]() | ![]() |
| Interior air filter ($25) | ![]() | ![]() | ![]() |
| iPod integration ($150) | ![]() | ![]() | ![]() |
| Media hard drive ($200) | ![]() | ![]() | ![]() |
| Navigation system ($900) | ![]() | ![]() | ![]() |
| Surround sound ($100) | ![]() | ![]() | ![]() |
| Telematics service, such as OnStar ($300) | ![]() | ![]() | ![]() |
| Telematics service, such as OnStar, with navigation ($400) | ![]() | ![]() | ![]() |
| Traffic information system ($200) | ![]() | ![]() | ![]() |
| USB port ($150) | ![]() | ![]() | ![]() |
| Voice control for HVAC, audio, and/or navigation systems ($150) | ![]() | ![]() | ![]() |
| Exterior | |||
| Hood scoop ($100) | ![]() | ![]() | ![]() |
| Panoramic sunroof ($1200) | ![]() | ![]() | ![]() |
| Rear spoiler ($200) | ![]() | ![]() | ![]() |
| Sunroof ($900) | ![]() | ![]() | ![]() |
| Instruments, Lights, and Mirrors | |||
| Auto-dimming rearview mirror ($125) | ![]() | ![]() | ![]() |
| Exterior temperature gauge ($50) | ![]() | ![]() | ![]() |
| Heated mirrors ($25) | ![]() | ![]() | ![]() |
| Interior ambient lighting ($150) | ![]() | ![]() | ![]() |
| Steering-linked headlights ($250) | ![]() | ![]() | ![]() |
| Xenon HID headlights ($500) | ![]() | ![]() | ![]() |
| Powertrain | |||
| Steering-wheel-mounted transmission controls ($100) | ![]() | ![]() | ![]() |
| Seats and Interior Trim | |||
| Cooled first row ($300) | ![]() | ![]() | ![]() |
| Folding second row ($300) | ![]() | ![]() | ![]() |
| Leather-wrapped steering wheel ($150) | ![]() | ![]() | ![]() |
| Manual lumbar, driver first row ($50) | ![]() | ![]() | ![]() |
| Manual lumbar, passenger first row ($50) | ![]() | ![]() | ![]() |
| Memory system, driver first row ($200) | ![]() | ![]() | ![]() |
| Metal pedals ($75) | ![]() | ![]() | ![]() |
| Power lumbar, driver first row ($100) | ![]() | ![]() | ![]() |
| Power lumbar, passenger first row ($100) | ![]() | ![]() | ![]() |
| Power recline, driver first row ($100) | ![]() | ![]() | ![]() |
| Power recline, passenger first row ($100) | ![]() | ![]() | ![]() |
| Upholstered instrument panel ($300) | ![]() | ![]() | ![]() |
| Wood trim ($300) | ![]() | ![]() | ![]() |
| Wood/leather-wrapped steering wheel ($150) | ![]() | ![]() | ![]() |
| Suspension, Wheels, and Tires | |||
| Auto-leveling rear shocks ($200) | ![]() | ![]() | ![]() |
| Sport suspension (upgrade) ($0) | ![]() | ![]() | ![]() |
| Ultra-sport suspension (upgrade) ($0) | ![]() | ![]() | ![]() |
| Total Feature Adjustments The total value of the features listed for a trim, after subtracting the lowest total. | -$0 | -$2,150 | -$5,500 |
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TrueDelta Value Comparison : Pontiac G8 vs. Cadillac CTSThese are the sticker and invoice prices after adjusting for feature differences, to provide an "apples to apples" comparison. | |||
| Model Year | 2009 | 2011 | 2011 |
| Model | G8 | CTS | CTS |
| Trim | GXP | Performance 3.6 | Premium 3.6 |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Net Price (from Price table) | $40,895 | $45,630 | $50,535 |
| Adjustment (from Feature table) | -$0 | -$2,150 | -$5,500 |
| Feature-adjusted Net Price | $40,895 | $43,480 | $45,035 |
| Over MinimumThe difference between a trim and its model's lowest-priced trim. | $0 | $0 | $1,555 |
| Net Invoice (from Invoice table) | $38,673 | $42,954 | $47,664 |
| Invoice AdjustmentThe price adjustment multiplied by the ratio between the invoice and sticker prices. | -$0 | -$2,024 | -$5,188 |
| Feature-adjusted Net Invoice | $38,673 | $40,930 | $42,476 |
| Over MinimumThe difference between a trim and its model's lowest-priced trim. | $0 | $0 | $1,546 |
| Lowest Adjusted Price and Invoice | G8 GXP 4dr Sedan | ||
| TrueDelta Price Difference | $2,585 | ||
| TrueDelta Invoice Difference | $2,257 | ||
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Want a customized car price comparison?
Customized comparisons allow you to include rebates, convert all prices to monthly payments, and view package contents.
Dealer Price Quotes
Dealer Price Quotes
Want to find out how much dealers are willing to discount these cars? Request free, no obligation dealer price quotes through our partner PriceQuotes.com (sidebar) and motivate dealers to compete for your business by offering the lowest possible price.
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Notes
While we strive for accuracy, the site is not error-free, and prices can change at any time.
The "TrueDelta Value Comparison" figures include adjustments for most differences in feature content. However, they do not include advertising fees, factory-to-dealer incentives, or differences in engines, tires, seat configurations, and audio systems. Exceptions: They do include values for third-row seats and media players.
Usually the base prices, options, and packages you see here match those on the window stickers. However, in some cases these have been restructured to simplify the database and calculations. These modifictions have no impact on the "total" and "net" figures.
Writers: Please acknowledge TrueDelta.com when using these figures.




