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GMC Sierra 1500 vs Cadillac XT6 - Differences and prices compared

Compare performance (420 HP vs 310 HP), trunk space and price (38,300 $ vs 49,200 $ ) at a glance. See which model fits your needs and budget better – GMC Sierra 1500 or Cadillac XT6?

GMC Sierra 1500 vs Cadillac XT6: Key differences

GMC Sierra 1500

  • noticeably cheaper
  • noticeably more power
  • very slightly more efficient

Cadillac XT6

Here’s where it gets real: The technical differences in detail

Sierra 1500

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

GMC Sierra 1500 is noticeably cheaper – starting at 38,300 $ , while the Cadillac XT6 costs 49,200 $ . That’s a price difference of around 10,895 $.

When it comes to city fuel economy, the GMC Sierra 1500 performs very slightly better – achieving 23 mpg, compared to 21 mpg for the Cadillac XT6. That’s a difference of about 2 mpg.

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the GMC Sierra 1500 offers noticeably more power – delivering 420 HP compared to 310 HP. That’s roughly 110 HP more horsepower.

There’s also a difference in torque: the GMC Sierra 1500 delivers substantially more torque with 495 lb-ft compared to 271 lb-ft. That’s about 224 lb-ft more.

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Cadillac XT6 offers more seats – 7 vs 6.

Who wins the race in the data check?

The GMC Sierra 1500 holds a decisive overall lead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from $38,300
Sierra 1500

GMC Sierra 1500

  • Engine Type : Gasoline
  • Transmission : Automatic
  • Drive Type : Rear Wheel, All Wheel
  • Power HP : 305 - 420 HP
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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View detailed analysis

General
View detailed analysis

GMC Sierra 1500

The GMC Sierra 1500 stands out as a formidable pickup truck, combining rugged design with luxurious amenities. This model offers a powerful driving experience with its range of robust engine options, making it suitable for both work and everyday use. Inside, the Sierra 1500 boasts a spacious and high-tech cabin, ensuring comfort and connectivity for all passengers.

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Reviews GMC Sierra 1500

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Cadillac XT6

The Cadillac XT6 is a luxury SUV that combines spacious interiors with sophisticated design, offering a comfortable ride for families and executives alike. Its sleek exterior styling is complemented by a host of modern amenities and advanced safety features, ensuring both style and peace of mind on the road. Inside, the XT6 boasts a well-appointed cabin with high-quality materials, providing an elegant and serene driving experience.

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Reviews Cadillac XT6

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GMC Sierra 1500
Cadillac XT6

Costs and Consumption
Price
38,300 - 84,200 $
Price
49,200 - 60,700 $
FuelEconomy City
15 - 23 mpg
FuelEconomy City
18 - 21 mpg
FuelEconomy Hwy
19 - 27 MPG
FuelEconomy Hwy
25 - 27 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
24 - 28 gal
Fuel tank capacity
19 - 22 gal

Dimensions and Body
Body Type
Pickup
Body Type
SUV
Seats
3 - 6
Seats
7
Doors
-
Doors
-
Curb weight
-
Curb weight
4,362 - 4,690 lbs
Trunk Volume
-
Trunk Volume
-
Length
210.97 - 242.45 in.
Length
198.5 in.
Width
81.15 - 81.24 in.
Width
77.3 in.
Height
75 - 78 in.
Height
69 in.

Engine and Performance
Engine Type
Gasoline
Engine Type
Gasoline
Transmission
Automatic
Transmission
Automatic
Drive Type
Rear Wheel, All Wheel
Drive Type
Front Wheel, All Wheel
Power HP
305 - 420 HP
Power HP
235 - 310 HP
Torque
383 - 495 lb-ft
Torque
258 - 271 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
5.3 - 6.2 L
Engine Displacement
2 - 3.6 L
Gears
-
Gears
-

General
Model Year
2,025
Model Year
2,025
Brand
GMC
Brand
Cadillac
What is the starting MSRP for the GMC Sierra 1500?

Starting from 38,300 $.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. Prices shown are manufacturer suggested retail prices (MSRP). Taxes, registration fees and dealer charges are not included.