Buick Regal LS, 2003 MY US

The Buick Regal LS is a front wheel drive automobile, with its engine positioned in the front, and a 4 door sedan/saloon body. It's powered courtesy of a naturally aspirated engine of 3.8 litre capacity. This unit features overhead valve valve gear, a 90 degree V 6 cylinder layout, and 2 valves per cylinder. It develops 200 bhp (203 PS/149 kW) of power at 5200 rpm, and maximum torque of 305 N·m (225 lb·ft/31.1 kgm) at 4000 rpm. A 4 speed automatic gearbox transfers the power to the wheels. Its claimed weight at the kerb is 1570 kg.

Pictures

Key facts

Buick Regal LS, 2003 MY US information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4983 mm
How heavy?
1570 kg
What size engine?
3.8 litre, 3791 cm3
How many cylinders?
6, V
How much power?
203 PS / 200 bhp / 149 kW @ 5200 rpm
How much torque?
305 Nm / 225 ft.lb / 31.1 kgm @ 4000 rpm
How economical?
19/29/24 US MPG city/highway/combined

Buick Regal models

Buick Regal GS -
4 door sedan/​saloon FF 4A 3791 cm3 243 PS 240 bhp 179 kW 1604 kg

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2003 Buick Regal LS data
Applicable to the USA domestic market(s).
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
Designer
dimensions & weights
mminches
Wheelbase 2769 mm 109 inches
Track/tread (front) 1575 mm 62 inches
Track/tread (rear) 1557 mm 61.3 inches
Length 4983 mm 196.2 inches
Width 1847 mm 72.7 inches
Height 1438 mm 56.6 inches
Ground clearance
length:wheelbase ratio 1.8
Kerb weight 1570 kg 3461 lb
Weight distribution
fuel tank capacity 64.4 litres 14.2 UK Gal 17 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code L36
Cylinders V 6 in 90° vee
Capacity 3.8 litre
3791 cc
(231.341 cu in)
Bore × Stroke 96.52 × 86.36 mm
3.8 × 3.4 in
Bore/stroke ratio 1.12
Valve gear overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output
(SAE net)
203 PS (200 bhp) (149 kW)
at 5200 rpm
Specific output
(SAE net)
52.8 bhp/litre
0.86 bhp/cu in
maximum torque
(SAE net)
305 Nm (225 ft·lb) (31.1 kgm)
at 4000 rpm
Specific torque
(SAE net)
80.45 Nm/litre
0.97 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 9.4:1
Fuel system SPFI
bmep (brake mean effective pressure) 1011 kPa (146.6 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 631.83 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter Y
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed
Power-to-weight ratio 129.16 PS/tonne (1000 kg)
94.99 kW/tonne (1000 kg)
127.39 bhp/tonne (1000 kg)
0.06 bhp/lb
Weight-to-power ratio 10.53 kg/kW
17.58 lb/bhp
fuel consumption
Fuel consumption 19/29/24 US MPG city/highway/combined
universal consumption (calculated from the above)
litres/100km12.4/8.1/9.8 l/100km city/highway/combined
km/litre8.1/12.3/10.2 km/l city/highway/combined
UK MPG22.8/34.8/28.8 UK MPG city/highway/combined
US MPG19.0/29.0/24.0 US MPG city/highway/combined
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout transverse
Drive wheels front wheel drive  
Torque split N/A
Steering power assisted rack & pinion
turns lock-to-lock 2.390
Turning circle
Front suspension I.MS.ARB.
Rear suspension I.S.CS.ARB.
Wheel size front 6 x 15
Wheel size rear 6 x 15
Tyres front P215/70 R 15
Tyres rear P215/70 R 15
Brakes F/R VeDi/Di-S-ABS
Front brake diameter 274 mm
Rear brake diameter 277 mm
Braked area
Gearbox 4 speed automatic
Top gear ratio 0.71
Final drive ratio 3.05
general
Carfolio.com ID171633
Production total
Model code
Model family
RAC rating 34.7
Insurance classification No information available
Tax band No information available
2003 Buick Regal LS added 2008-03-28.
Last modified 2013-02-28.