Which is better: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?

It depends on priorities. OpenDealer compares 2006 Chevrolet Avalanche 1500 vs 2006 GMC Sierra 3500 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.

Which costs less: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?

Based on starting MSRP, the 2006 GMC Sierra 3500 starts lower at $23,185.

Which has better startingMsrp: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?

The 2006 GMC Sierra 3500 leads on startingMsrp in this comparison (23,185).

Which has better combinedMpg: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?

The 2006 Chevrolet Avalanche 1500 leads on combinedMpg in this comparison (14).

Which has better horsepower: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?

The 2006 GMC Sierra 3500 leads on horsepower in this comparison (300).

Which has better maxTowingLbs: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?

The 2006 GMC Sierra 3500 leads on maxTowingLbs in this comparison (12,000).

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Chevrolet Avalanche 1500 vs GMC Sierra 3500

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

2006 Chevrolet Avalanche 1500

Trim

Full research

2006 GMC Sierra 3500

Trim

Full research

Overview

Spec	Chevrolet Avalanche 15001500 LS	GMC Sierra 3500Work Truck
Selected trim	1500 LS	Work Truck
Body style	Truck (Crew Cab)	Truck (Regular Cab)
Drivetrain	rear wheel drive	rear wheel drive
Fuel type	flex-fuel (unleaded/E85)	regular unleaded
Transmission	4-speed automatic	4-speed automatic
Engine type	flex-fuel (FFV)	gas
Model year	2006	2006

Pricing & market

Spec	Chevrolet Avalanche 15001500 LS	GMC Sierra 3500Work Truck
MSRP	$33,910	$23,185 (best)
For sale now	0	0

Fuel economy & range

Spec	Chevrolet Avalanche 15001500 LS	GMC Sierra 3500Work Truck
Combined MPG	14 MPG (best)	—
City MPG	13 MPG (best)	—
Highway MPG	17 MPG (best)	—
Fuel tank	31 gal	34 gal (best)

Performance

Spec	Chevrolet Avalanche 15001500 LS	GMC Sierra 3500Work Truck
Horsepower	295 hp	300 hp (best)
Torque	335 lb-ft	360 lb-ft (best)
Engine size	5.3 L	6 L (best)
Cylinders	V8	V8

Size & capability

Spec	Chevrolet Avalanche 15001500 LS	GMC Sierra 3500Work Truck
Seating	6 seats (best)	3 seats
Doors	4 (best)	2
Towing capacity	8,200 lbs	12,000 lbs (best)
Payload	1,387 lbs	4,658 lbs (best)
Curb weight	5,413 lbs	4,942 lbs (best)
Ground clearance	8.6 in	10.6 in (best)
Wheelbase	130 in	133 in (best)
Length	221.6 in	224.5 in (best)
Width	79.8 in (best)	79.7 in
Height	73.6 in	76.7 in (best)

Safety & recalls

Spec	Chevrolet Avalanche 15001500 LS	GMC Sierra 3500Work Truck
Open recalls (YMM scope)	1	None reported (best)

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

Trim	Chevrolet Avalanche 1500	GMC Sierra 3500
1	1500 LS $33,910 MSRP(Currently comparing)	Work Truck $23,185 MSRP(Currently comparing)
2	1500 LS $36,910 MSRP	Work Truck $26,475 MSRP
3	—	Work Truck $27,135 MSRP
4	—	Work Truck $28,715 MSRP
5	—	Work Truck $29,130 MSRP
6	—	Work Truck $26,465 MSRP
7	—	Work Truck $26,710 MSRP
8	—	Work Truck $29,255 MSRP
9	—	Work Truck $30,155 MSRP
10	—	Work Truck $31,495 MSRP
11	—	Work Truck $32,145 MSRP
12	—	SL1 $24,420 MSRP
13	—	SL1 $27,905 MSRP
14	—	SL1 $28,625 MSRP
15	—	SL1 $30,130 MSRP
16	—	SL1 $30,620 MSRP
17	—	SL1 $27,855 MSRP
18	—	SL1 $28,050 MSRP
19	—	SL1 $30,690 MSRP
20	—	SL1 $31,640 MSRP
21	—	SL1 $32,925 MSRP
22	—	SL1 $33,640 MSRP
23	—	SLE1 $25,885 MSRP
24	—	SLE1 $29,525 MSRP
25	—	SLE1 $30,050 MSRP
26	—	SLE1 $31,640 MSRP
27	—	SLE1 $31,980 MSRP
28	—	SLE1 $29,135 MSRP
29	—	SLE1 $29,385 MSRP
30	—	SLE1 $32,210 MSRP
31	—	SLE1 $33,100 MSRP
32	—	SLE1 $34,325 MSRP
33	—	SLE1 $34,995 MSRP
34	—	SLE2 $31,255 MSRP
35	—	SLE2 $31,560 MSRP
36	—	SLE2 $33,530 MSRP
37	—	SLE2 $33,650 MSRP
38	—	SLE2 $33,945 MSRP
39	—	SLE2 $34,800 MSRP
40	—	SLE2 $36,215 MSRP
41	—	SLE2 $36,860 MSRP
42	—	SLT $32,735 MSRP
43	—	SLT $33,075 MSRP
44	—	SLT $35,010 MSRP
45	—	SLT $35,170 MSRP
46	—	SLT $35,425 MSRP
47	—	SLT $36,280 MSRP
48	—	SLT $37,695 MSRP
49	—	SLT $38,340 MSRP

Chevrolet Avalanche 1500 vs GMC Sierra 3500 FAQ

Which is better: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?: It depends on priorities. OpenDealer compares 2006 Chevrolet Avalanche 1500 vs 2006 GMC Sierra 3500 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?: Based on starting MSRP, the 2006 GMC Sierra 3500 starts lower at $23,185.
Which has better startingMsrp: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?: The 2006 GMC Sierra 3500 leads on startingMsrp in this comparison (23,185).
Which has better combinedMpg: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?: The 2006 Chevrolet Avalanche 1500 leads on combinedMpg in this comparison (14).
Which has better horsepower: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?: The 2006 GMC Sierra 3500 leads on horsepower in this comparison (300).
Which has better maxTowingLbs: 2006 Chevrolet Avalanche 1500 or 2006 GMC Sierra 3500?: The 2006 GMC Sierra 3500 leads on maxTowingLbs in this comparison (12,000).