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1998 Vehicles by GMC
Model
MPG
(city)
MPG
(hwy)
Annual
Fuel
Cost*

Greenhouse Gas
Emissions
(tons/yr)*
 Greenhouse gas (GHG) emissions from your car may contribute to global warming. Cars with better gas mileage emit less greenhouse gases. Click for more info.
EPA
Air
Pollution
Score
From 0 to 10 (best)
 The EPA air pollution score rates cars and light trucks based on how much smog-forming air pollution they emit. Some vehicles are available in multiple emission versions. Click for more info.
GMC C1500 Sierra 2WD
6 cyl, 4.3 L, Automatic (4 speed), Regular 		16 20
$1588
10.80 NA
GMC C1500 Sierra 2WD
6 cyl, 4.3 L, Manual (5 speed), Regular 		17 23
$1420
9.70 NA
GMC C1500 Sierra 2WD
8 cyl, 5.0 L, Automatic (4 speed), Regular 		15 20
$1588
11.10 NA
GMC C1500 Sierra 2WD
8 cyl, 5.0 L, Manual (5 speed), Regular 		15 20
$1588
11.30 NA
GMC C1500 Sierra 2WD
8 cyl, 5.7 L, Automatic (4 speed), Regular 		14 19
$1688
12.00 NA
GMC C1500 Sierra 2WD
8 cyl, 5.7 L, Manual (5 speed), Regular 		14 19
$1688
12.10 NA
GMC C1500 Suburban 2WD
8 cyl, 5.7 L, Automatic (4 speed), Regular 		14 18
$1801
12.30 NA
GMC C1500 Yukon 2WD
8 cyl, 5.7 L, Automatic (4 speed), Regular 		14 18
$1688
12.00 NA
GMC C1500 Yukon 2WD
8 cyl, 5.7 L, Automatic (4 speed), Regular 		13 17
$1801
12.60 NA
GMC C2500 Sierra 2WD
8 cyl, 5.0 L, Automatic (4 speed), Regular 		15 20
$1588
11.20 NA
GMC C2500 Sierra 2WD
8 cyl, 5.0 L, Manual (5 speed), Regular 		14 19
$1688
11.90 NA
GMC C2500 Sierra 2WD
8 cyl, 5.7 L, Automatic (4 speed), Regular 		14 18
$1688
12.00 NA
GMC C2500 Sierra 2WD
8 cyl, 5.7 L, Manual (5 speed), Regular 		14 19
$1688
12.00 NA
GMC C2500 Sierra 2WD
8 cyl, 6.5 L, Automatic (4 speed), Diesel 		15 18
$1453
12.90 NA
GMC G1500/G2500 Savana 2WD (cargo)
6 cyl, 4.3 L, Automatic (4 speed), Regular 		15 19
$1688
11.40 NA
GMC G1500/G2500 Savana 2WD (cargo)
8 cyl, 5.0 L, Automatic (4 speed), Regular 		15 20
$1588
11.30 NA
GMC G1500/G2500 Savana 2WD (cargo)
8 cyl, 5.7 L, Automatic (4 speed), Regular 		14 18
$1688
12.00 NA
GMC G1500/G2500 Savana 2WD (passenger)
6 cyl, 4.3 L, Automatic (4 speed), Regular 		15 19
$1688
11.70 NA
GMC G1500/G2500 Savana 2WD (passenger)
8 cyl, 5.0 L, Automatic (4 speed), Regular 		14 18
$1801
12.20 NA
GMC G1500/G2500 Savana 2WD (passenger)
8 cyl, 5.7 L, Automatic (4 speed), Regular 		14 18
$1801
12.30 NA
GMC Jimmy 2WD
6 cyl, 4.3 L, Automatic (4 speed), Regular 		16 21
$1501
10.50 NA
GMC Jimmy 2WD
6 cyl, 4.3 L, Manual (5 speed), Regular 		17 23
$1350
9.60 NA
GMC Jimmy 4WD
6 cyl, 4.3 L, Automatic (4 speed), Regular 		16 20
$1588
10.80 NA
GMC Jimmy 4WD
6 cyl, 4.3 L, Manual (5 speed), Regular 		16 21
$1501
10.60 NA
GMC Jimmy AWD
6 cyl, 4.3 L, Automatic (4 speed), Regular 		16 20
$1588
10.90 NA
GMC K1500 Sierra 4WD
6 cyl, 4.3 L, Automatic (4 speed), Regular 		16 20
$1588
11.00 NA
GMC K1500 Sierra 4WD
6 cyl, 4.3 L, Manual (5 speed), Regular 		16 20
$1588
10.80 NA
GMC K1500 Sierra 4WD
8 cyl, 5.0 L, Automatic (4 speed), Regular 		14 18
$1801
12.30 NA
GMC K1500 Sierra 4WD
8 cyl, 5.0 L, Manual (5 speed), Regular 		13 18
$1801
12.40 NA
GMC K1500 Sierra 4WD
8 cyl, 5.7 L, Automatic (4 speed), Regular 		13 17
$1801
12.90 NA
GMC K1500 Sierra 4WD
8 cyl, 5.7 L, Manual (5 speed), Regular 		12 17
$1928
13.30 NA
GMC K1500 Sierra 4WD
8 cyl, 6.5 L, Automatic (4 speed), Diesel 		15 19
$1453
12.90 NA
GMC K1500 Yukon 4WD
8 cyl, 5.7 L, Automatic (4 speed), Regular 		13 16
$1928
13.30 NA
GMC K1500 Yukon 4WD
8 cyl, 6.5 L, Automatic (4 speed), Diesel 		15 19
$1453
12.90 NA
GMC Safari 2WD (cargo)
6 cyl, 4.3 L, Automatic (4 speed), Regular 		16 21
$1501
10.50 NA
GMC Safari 2WD (passenger)
6 cyl, 4.3 L, Automatic (4 speed), Regular 		16 20
$1588
10.90 NA
GMC Safari AWD (cargo)
6 cyl, 4.3 L, Automatic (4 speed), Regular 		16 20
$1588
10.90 NA
GMC Safari AWD (passenger)
6 cyl, 4.3 L, Automatic (4 speed), Regular 		15 19
$1588
11.10 NA
GMC Sonoma 2WD
4 cyl, 2.2 L, Automatic (4 speed), Regular 		19 26
$1229
8.80 NA
GMC Sonoma 2WD
4 cyl, 2.2 L, Manual (5 speed), Regular 		22 28
$1080
7.70 NA
GMC Sonoma 2WD
6 cyl, 4.3 L, Automatic (4 speed), Regular 		17 22
$1420
10.20 NA
GMC Sonoma 2WD
6 cyl, 4.3 L, Manual (5 speed), Regular 		17 23
$1350
9.60 NA
GMC Sonoma 4WD
6 cyl, 4.3 L, Automatic (4 speed), Regular 		16 21
$1501
10.60 NA
GMC Sonoma 4WD
6 cyl, 4.3 L, Manual (5 speed), Regular 		17 22
$1420
10.00 NA

Annual Fuel Costs and Greenhouse Gas Estimates are based on 45% highway driving, 55% city driving, and 15000 annual miles.

Assumed Fuel Prices:

  • Regular: 1.80
  • Premium: 1.95
  • Diesel: 1.55
  • CNG: 1.05
  • Electricity: 0.08 per kilowatt hour
  • E85: 1.65
  • LPG: 1.40