
2015 BUICK REGAL SPECIFICATIONS
Overview
Models: Buick Regal and Regal GS
Body style / driveline: four-door, five-passenger front engine transaxle; front-wheel-
drive and all-wheel-drive midsize sedan
Construction: steel body frame integral (unibody) with front and rear crumple
zones; galvanized steel front fenders, hood, roof, door panels,
one-piece bodyside outer panel, thermal plastic olefin (TPO)
bumper fascias
EPA vehicle class: midsize sedan
Manufacturing location: Oshawa, Ontario, Canada
Key competitors: Acura TSX, Volkswagen CC, Volvo S60, Lexus IS 250, Infiniti
Q50 and Audi A4
Engines
Application: Regal with e
Regal and Regal GS
Displacement (cu in / cc): 145 / 2384 122 / 1998
Bore and stroke (in / mm): 3.46 x 3.85 / 88 x 98 3.39 x 3.39 / 86 x 86
Block material: precision sand cast aluminum cast aluminum
Cylinder head material: SPM cast aluminum cast aluminum
Valvetrain: DOHC, four-valves per
cylinder, continuously variable
valve timing
DOHC, four-valves per
cylinder, continuously variable
valve timing
Ignition system: individual coil-on-plug individual coil-on-plug
Fuel delivery: direct injection and electronic
throttle control
direct high-pressure fuel
injection
Compression ratio: 11.2:1 9.5:1
Horsepower (hp / kW @ rpm): 182 / 136 @ 6700
(SAE certified)
259 / 193 @ 5300
(SAE certified)
Torque (lb-ft / Nm @ rpm): 172 / 232 @ 4900
(SAE certified)
295 / 400 @ 3000-4000
(SAE certified) – Regal
295 / 400 @ 2500-4000
(SAE certified) – Regal GS
Recommended fuel: regular unleaded premium recommended, but
not required
Max engine speed: 7000 rpm 7000 rpm
Emissions controls: close-coupled, catalytic
converter; continuously
variable valve timing; positive
crankcase ventilation
evaporative system;
supplemental air injection
system, partial zero emissions
vehicle capable (eAssist)
close-coupled catalytic
converter; continuously
variable valve timing; 58x
ignition system; returnless fuel
rail; wide-range O
2
sensor
Fuel economy (city / hwy): 25 / 36 (FWD) 21 / 30 – FWD (automatic)
19 / 27 – AWD (automatic)
21 / 30 – GS FWD (automatic)
19 / 27 – GS AWD (automatic)
20 / 31 – GS FWD (manual)