8.1 vortec mpg 2500hd drivers#

Had my buddie's 2006 Avalanche for the weekend, put an O2 sensor in it for him 2002 Chevrolet Avalanche 2500 4X4 8.1 Liter V-8 2002 Chevrolet Avalanche 2500 4X4 8.1 Liter V-8. A rear-drive Avalanche 1500 can tow up to 8,200 pounds when properly equipped. Although this large displacement engine produces considerable horsepower and torque, it was retired in favor of a more economical engine platform The Avalanche 2500 packs a 325-hp, 8.1-liter V-8 that yields 447 pounds-feet of torque. The GM 8.1L was introduced in 2001 and used in various heavy duty applications, including Chevrolet Silverado and GMC Sierra 2500/3500HD pickups, through the 2006 model year. GM 8.1L Vortec V-8 specs, history, and horsepower and torque curves.

EPA MPG Owner MPG Estimates 2003 Chevrolet Avalanche 1500 2WD 8 cyl, 5.3 L, Automatic 4-spd Regular Gasoline: View Estimates.

8.1 vortec mpg 2500hd drivers#

MPG Estimates from Others MPG estimates from drivers like you! Advanced Cars & Fuels. The last Vortec 8100 was built in 2009, replaced in heavy-duty applications by the vastly more fuel-efficient 6.0 V8 that briefly been available in Avalanche We can help you calculate and track your fuel economy. Some of the things I have thought about to improve my mileage (which is 9-10 mpg.mostly city) is the K&N Filter Charger, aftermarket muffler, and tonneau cover for the bedД¬omparing the Avalanche 1500's 5.3-liter V8 with the 2500's 8.1. Mileage seems to drop about 1-2 mpg when I tow a 20 foot bass boat, but I didn't buy this truck for the mileage either Gas Mileage - 8.1 Vortec Obviously not an engine problem but potentially one of the most disliked aspects of the 8.1 engine is the gas mileage! With city driving, you can expect single digit numbers from 7-9mpg and highway will usually range from 12-14mi The only thing, in my opinion that keeps the 8.1 from being the PERFECT truck is the fuel mileage. My overall mileage according to the information center on the dash is 12.9 after 26,000 miles. I have an '04 2500HD with the 8.1 and Alison transmission and my mileage averages 12-14 per tank. PART TWO is now live! Link for new video is below 05-04-2005, 12:52 PM. 2002 Chevrolet Avalanche 2500 MPG - Actual MPG from 10 In 2007, it was replaced by the more compact. The 8.1-liter powerplant was offered in the Chevrolet Avalanche 2500, the Silverado 2500HD and the Silverado 3500HD, as well as in their GMC Sierra counterparts, from 2001 through 2006. Change plugs every 100k General Motors launched its 8.1-liter engine - also called the 8100 Vortec - in 2001. I drive mostly highway though, and conservative. Average city / hwy combined is around 10. My 04 averages 12.5 - 13 on the highway at 65.

A friend has an 8.1 Av,and gets 13.1 average mpg,over 1 mpg better than me,and i have a mileage tune.: boatman2 Re: 8.1 fuel economy. Any Engine Type 8.1L V8 GAS (13) V8 GAS (3) Any Body Style Crew Cab Pickup (8) Any Submodel LS (1) LT (2) Base (10) Other (4 Avs have the 4L80E,they are more efficient,and going to get better mileage.

Click here to view all the Chevrolet Avalanche 2500s currently participating in our fuel tracking program. BIG GREEN 2002 Chevrolet Avalanche 2500 8.1L V8 GAS Automatic 4 Speed Crew Cab Picku 17 Chevrolet Avalanche 2500s have provided 194 thousand miles of real world fuel economy & MPG data. Following shows the average MPG of each of the 10 vehicles in the system.