Compare Tata Signa 4025.S vs Tata Signa 4021.S

GCW (Kg)	39500 Kg	39500 Kg

Axle Configuration	4x2	4x2

Engine	Cummins ISBE 6.7L	5L Turbotronn

Power	300 HP@2300 RPM	197 HP@2300 rpm

Torque	950 Nm@1000-1800 rpm	850 Nm@1100-1600 rpm

Transmission	6 speed (6F+1R)	6 speed (6F+1R)

Warranty	6 Years / 6 Lakh km on driveline 3 Years / 3 Lakh km on vehicle	6 Years / 6 Lakh km on driveline 3 Years / 3 Lakh km on vehicle

Service Interval	80,000 Km (Oil change)	80,000 Km (Oil change)

Additional	Gear Shift Advisor 3 mode Fuel Economy Switch	Gear Shift Advisor 3 mode Fuel Economy Switch

Engine	Cummins ISBE 6.7L	5L Turbotronn

Fuel Injection System	Common Rail	Common Rail

Engine Displacement	6702 cc	5005 cc

Engine Cylinders	6	6

Power	300 HP@2300 RPM	197 HP@2300 rpm

Torque	950 Nm@1000-1800 rpm	850 Nm@1100-1600 rpm

Clutch	430 mm pull type dia Single plate dry friction type	380 mm dia

Transmission	6 speed (6F+1R)	6 speed (6F+1R)

Gearbox	G950 (9.36) DD	G750

Max Speed	80 Kmph	80 Kmph

Emission Norms Compliance	BS6 OBD2	BS6

Fuel Type	Diesel	Diesel

Fuel Tank Capacity	365 Litres HDPE (Plastic tank)	365 Litres 365+200 Litres (Optional) Polymer tank With anti-fuel theft

Electricals Battery	2x12V,100 Ah	2x12V,100 Ah

Gross Combination Weight	39500 Kg	39500 Kg

Cabin Type	Sleeper cabin	Sleeper cabin

Cabin Tilt mechanism	Hydraulically tiltable	Hydraulically tiltable

Chassis Frame	Ladder type straight frame	Ladder type straight frame

Axle Configuration	4x2	4x2

Front Axle	Forged I beam reverse elliot type	Forged I Beam, Reverse Elliot Type

Rear Axle		Single reduction

Front Suspension	Parabolic leaf springs With telescopic shock absorbers	Parabolic leaf springs With telescopic shock absorbers

Rear Suspension	Semi elliptical leaf springs	Semi elliptical leaf springs

Tyres	295/90R20 (Tube) 6+1 tyres	295/90R20 (Tube) 6+1 tyres

Wheelbase	3300 mm	3200 mm

Ground Clearance	Front: 290 mm Rear: 230 mm	250 mm

Overall Length		5625 mm

Overall Width		2565 mm

Front Track		1964 mm

Rear Track		1817 mm

Chassis Depth		285 mm

Chassis Flange width		65 mm

Chassis Thickness		7 mm

Cabin Suspension	Fully suspended	Fully suspended

Steering	Power Steering	Power Steering

Steering Adjustment	Tilt and telescopic	Tilt and telescopic

Driver Seat	4 way adjustable Mechanically suspended	4 way adjustable Mechanically suspended

Air Conditioner (AC)	Optional	Optional

Quarter Ventilation Glass	No	No

Instrument Cluster	Digital With mileage indicator Distance to empty	Digital With mileage indicator Distance to empty

Telematics	Yes	Yes

Music System	Touchscreen infotainment system (Optional)	Touchscreen infotainment system (Optional)

Mobile Charging Point	Yes	Yes

Bottle Holder	Yes	Yes

Automatic Transmission	No	No

Cruise Control	Yes	No

Service Brakes	Air brakes	Air brakes

Parking Brakes	Graduated valve controlled spring brake Acting on rear axle	Graduated valve controlled spring brake Acting on rear axle

ABS	Yes	Yes

Seat Belts	Yes	Yes

Reverse Parking_Buzzer	Yes	Yes

Fog Light	No	No

Tubeless Tyres	Optional	Optional