IS Convertible | Detailed Specifications

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Pricing & Fees	IS 350C	IS 250C	IS 250C Manual
Base MSRP	$44,390 [1]	$40,110 [1]	$38,940 [1]
Delivery, Processing & Handling Fee	$875 [2]	$875 [2]	$875 [2]
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Engine	IS 350C	IS 250C	IS 250C Manual
Type	60^o V6, aluminum block and heads	60^o V6, aluminum block and heads	60^o V6, aluminum block and heads
Displacement	3.5 liters (210 cubic inches)	2.5 liters (152 cubic inches)	2.5 liters (152 cubic inches)
Valvetrain	Four cam, four valves per cylinder, with dual Variable Valve Timing with intelligence (VVT-i)	Four cam, four valves per cylinder, with dual Variable Valve Timing with intelligence (VVT-i)	Four cam, four valves per cylinder, with dual Variable Valve Timing with intelligence (VVT-i)
Compression Ratio	11.8:1	12.0:1	12.0:1
Horsepower at RPM	306 @ 6,400 [3]	204 @ 6,400 [3]	204 @ 6,400 [3]
Torque at RPM	277 lb-ft @ 4,800 [3]	185 lb-ft @ 4,800 [3]	185 lb-ft @ 4,800 [3]
Emission Rating	Certified Ultra-Low Emission Vehicle (ULEV II)	Certified Ultra-Low Emission Vehicle (ULEV II)	Certified Ultra-Low Emission Vehicle (ULEV II)

Performance	IS 350C	IS 250C	IS 250C Manual
0-60 MPH Acceleration	5.8 seconds [3] [4]	8.4 seconds [3] [4]	8.4 seconds [3] [4]
1/4 Mile Acceleration	14.1 seconds [3] [4]	16.4 seconds [3] [4]	16.5 seconds [3] [4]
Top Track Speed (electronically limited)	141 mph [3] [4]	131 mph [3] [4]	134 mph [3] [4]
EPA Fuel Economy Estimates (estimated city/highway)	18/25 mpg [5]	21/29 mpg [5]	18/26 mpg [5]
Aerodynamic Drag Coefficient	0.29	0.29	0.29
Turning Circle	33.5 ft	33.5 ft	33.5 ft

Drivetrain	IS 350C	IS 250C	IS 250C Manual
Transmission	Six-speed paddle-shift-sequential automatic Electronically Controlled Transmission with intelligence (ECT-i)	Six-speed paddle-shift-sequential automatic Electronically Controlled Transmission with intelligence (ECT-i)	Six-speed manual transmission
Drive Wheels	Rear-wheel drive	Rear-wheel drive	Rear-wheel drive
Final Drive Ratio	4.083:1	3.909:1	3.727:1

Chassis	IS 350C	IS 250C	IS 250C Manual
Suspension (front)	Independent, double-wishbone with coil springs, monotube gas-pressurized shock absorbers and hollow stabilizer bar	Independent, double-wishbone with coil springs, monotube gas-pressurized shock absorbers and hollow stabilizer bar	Independent, double-wishbone with coil springs, monotube gas-pressurized shock absorbers and hollow stabilizer bar
Suspension (Rear)	Independent, multi-link with coil springs, inverted monotube gas-pressurized shock absorbers and stabilizer bar	Independent, multi-link with coil springs, inverted monotube gas-pressurized shock absorbers and stabilizer bar	Independent, multi-link with coil springs, inverted monotube gas-pressurized shock absorbers and stabilizer bar
Steering	Electronic Power Steering (EPS) system. 3.2 turns lock to lock	Electronic Power Steering (EPS) system. 3.2 turns lock to lock	Electronic Power Steering (EPS) system. 3.2 turns lock to lock
Brakes	Four-wheel power-assisted discs, four-sensor, four-channel Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), Brake Assist [6] and four-piston front calipers	Four-wheel power-assisted discs, four-sensor, four-channel Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), Brake Assist [6] and four-piston front calipers	Four-wheel power-assisted discs, four-sensor, four-channel Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), Brake Assist [6] and four-piston front calipers
Brake Size	Four-piston front calipers. 13.1-in front, 12.2-in rear ventilated discs	Two-piston front calipers. 11.6-in front, 12.2-in rear ventilated discs	Two-piston front calipers. 11.6-in front, 12.2-in rear ventilated discs
Wheels and Tires	17 x 8.0-in 10-spoke alloy wheels with 225/45VR17 all-season tires front [7], 245/45VR17 all-season tires rear [7]	17 x 8.0-in 10-spoke alloy wheels with 225/45VR17 all-season tires front [7], 245/45VR17 all-season tires rear [7]	17 x 8.0-in 10-spoke alloy wheels with 225/45VR17 all-season tires front [7], 245/45VR17 all-season tires rear [7]

Body / Dimensions	IS 350C	IS 250C	IS 250C Manual
Type	Four-passenger retractable hardtop luxury sport sedan	Four-passenger retractable hardtop luxury sport sedan	Four-passenger retractable hardtop luxury sport sedan
Construction	Welded-steel unibody	Welded-steel unibody	Welded-steel unibody
Overall Length	182.5 in (4,635 mm)	182.5 in (4,635 mm)	182.5 in (4,635 mm)
Width	70.9 in (1,800 mm)	70.9 in (1,800 mm)	70.9 in (1,800 mm)
Height	55.7 in (1,415 mm)	55.7 in (1,415 mm)	55.7 in (1,415 mm)
Wheelbase	107.5 in (2,730 mm)	107.5 in (2,730 mm)	107.5 in (2,730 mm)
Trunk Capacity (top up)	10.8 cu ft (306 L)	10.8 cu ft (306 L)	10.8 cu ft (306 L)
Curb Weight	3,880 lb (1,760 kg)	3,814 lb (1,730 kg)	3,840 lb (1,742 kg)
Fuel-Tank Capacity	17.2 gal (65 L)	17.2 gal (65 L)	17.2 gal (65 L)
Headroom	38.3/36.1 in (974/918 mm) (front/rear)	38.3/36.1 in (974/918 mm) (front/rear)	38.3/36.1 in (974/918 mm) (front/rear)
Legroom	44.1/25.9 in (1,120/658 mm) (front/rear)	44.1/25.9 in (1,120/658 mm) (front/rear)	44.1/25.9 in (1,120/658 mm) (front/rear)
Shoulder Room	54.2/44.7 in (1,378/1,136 mm) (front/rear)	54.2/44.7 in (1,378/1,136 mm) (front/rear)	54.2/44.7 in (1,378/1,136 mm) (front/rear)
Hip Room	54.3/43.3 in (1,379/1,101 mm) (front/rear)	54.3/43.3 in (1,379/1,101 mm) (front/rear)	54.3/43.3 in (1,379/1,101 mm) (front/rear)