CarSpecHub

GMC Sierra, 1998–2007

GMC Sierra 1st generation (GMT800) specifications

The GMC Sierra 1st generation (GMT800) was built from 1998 to 2007. This page lists all 16 versions (pickup) with 197–319 hp and 353–440 Nm of torque.

197–319 hp
Power (147–238 kW)
353–440 Nm
Torque (260–325 lb-ft)
5,161 mm
Length (203 in)

All versions

From least to most powerful. Figures are manufacturer claims and vary by market and model year.

Power, torque and performance for each version of the GMC Sierra 1st generation (GMT800).
VersionEnginePowerTorque0–100 km/hTop speedGearboxDrive
4.3 AT 4WD Pickup Single cabin4.3 litre gasoline197 hp 147 kW353 Nm——Automatic, 4-speedAll wheel drive
4.3 AT 4WD Pickup One-and-a-half cabin4.3 litre gasoline197 hp 147 kW353 Nm——Automatic, 4-speedAll wheel drive
4.3 MT 4WD Pickup Single cabin4.3 litre gasoline197 hp 147 kW353 Nm——Manual, 5-speedAll wheel drive
4.3 MT 4WD Pickup One-and-a-half cabin4.3 litre gasoline197 hp 147 kW353 Nm——Manual, 5-speedAll wheel drive
4.8 AT Pickup One-and-a-half cabin4.8 litre gasoline270 hp 201 kW386 Nm——Automatic, 4-speedRear wheel drive
4.8 AT 4WD Pickup One-and-a-half cabin4.8 litre gasoline270 hp 201 kW386 Nm——Automatic, 4-speedAll wheel drive
4.8 MT Pickup One-and-a-half cabin4.8 litre gasoline270 hp 201 kW386 Nm——Manual, 5-speedRear wheel drive
4.8 MT 4WD Pickup One-and-a-half cabin4.8 litre gasoline270 hp 201 kW386 Nm——Manual, 5-speedAll wheel drive
5.3 AT 4WD Pickup Single cabin5.3 litre gasoline284 hp 212 kW440 Nm——Automatic, 5-speedAll wheel drive
5.3 AT 4WD Pickup Double cabin5.3 litre gasoline284 hp 212 kW440 Nm——Automatic, 5-speedAll wheel drive
5.3 AT 4WD Pickup One-and-a-half cabin5.3 litre gasoline284 hp 212 kW440 Nm——Automatic, 5-speedAll wheel drive
5.3 MT 4WD Pickup Single cabin5.3 litre gasoline284 hp 212 kW440 Nm——Manual, 6-speedAll wheel drive
5.3 MT 4WD Pickup Double cabin5.3 litre gasoline284 hp 212 kW440 Nm——Manual, 6-speedAll wheel drive
5.3 MT 4WD Pickup One-and-a-half cabin5.3 litre gasoline284 hp 212 kW440 Nm——Manual, 6-speedAll wheel drive
6.0 AT 4WD Pickup Double cabin6.0 litre gasoline319 hp 238 kW———Automatic, 5-speedAll wheel drive
6.0 MT 4WD Pickup Double cabin6.0 litre gasoline319 hp 238 kW———Manual, 6-speedAll wheel drive

Dimensions and weight

Typical values for the 1st generation (GMT800), pickup.
Length5,161 mm203 in
Width1,994 mm79 in
Height1,808 mm71 in
Wheelbase3,023 mm119 in
Ground clearance203 mm8 in
Kerb weight1,847–2,325 kg4,072–5,126 lb
Seats5
Fuel tank129 litres34 US gal

Questions about the GMC Sierra 1st generation (GMT800)

What is the most powerful GMC Sierra 1st generation (GMT800)?

The 6.0 AT 4WD pickup double cabin, with 319 hp (238 kW).

What engines does the GMC Sierra 1st generation (GMT800) have?

Engines from 4.3 to 6.0 litres, running on gasoline. The table above lists the power, torque and gearbox of each version.

How big is the GMC Sierra 1st generation (GMT800)?

About 5,161 mm long, 1,994 mm wide and 1,808 mm tall (203 in long), weighing 1,847–2,325 kg. Figures vary slightly by body style.

Every GMC Sierra generation

  1. 1st generation (GMT800) 1998–2007
  2. 1st generation 2002–2020
  3. 2nd generation (GMT900) 2006–2014
  4. 3rd generation (K2XX), facelift 2015–2018
  5. 4th generation 2018–2022
  6. 4th generation, facelift 2022–present

GMC Sierra overview: current engines, dimensions and markets

Sources: manufacturer data for each version. Figures are manufacturer claims and vary by market, model year and equipment.