Car comparison

MG ZT 4.6 V8vsAlfa Romeo 159 3.2 JTS V6

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

MG ZT

4.6 V8

260 hp4601 ccGasolineRWDManualNaturally aspiratedSedan2003-2005
VS

Alfa Romeo 159

3.2 JTS V6

260 hp3195 ccGasolineAWDManualNaturally aspiratedSedan2005-2009

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

MG ZT 4.6 V8

  • Quickest 0-100 km/h
    6.5 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    260 hp
    194 kW
  • Highest torque
    410 Nm
    302 lb-ft
  • Largest trunk
    432 L
  • Best overall score
    65/100
  • Best performance score
    61/100
  • Best practicality score
    73/100

Alfa Romeo 159 3.2 JTS V6

  • Lightest
    1,610 kg
    3,549 lb
  • Best power-to-weight
    161 hp/t
    120 kW/t
    6.2 kg/hp
  • Lowest combined fuel consumption
    11.4 L/100 km
    20.6 mpg US
    24.8 mpg UK
  • Lowest city consumption
    16.7 L/100 km
    14.1 mpg US
    16.9 mpg UK
  • Lowest highway consumption
    8.3 L/100 km
    28.3 mpg US
    34.0 mpg UK
  • Lowest CO2 emissions
    270 g/km
  • Best estimated range
    605 km
    376 mi
  • Best economy score
    76/100

Specification comparison

Specification comparison
ModelMGZT4.6 V8Alfa Romeo1593.2 JTS V6
Power
260hp194kW
260hp194kW
Torque
410Nm302lb-ft
322Nm237lb-ft
Curb weight
1,680kg3,704lb
1,610kg3,549lb
Gross weight-
2,160kg4,762lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
244 km/h
152 mph
To 99% top speed
66.9s99% target: 257 km/h / 160 mph
Calculated
65.3s99% target: 242 km/h / 150 mph
Calculated
0-100 km/h
6.5s
7.0s
0-200 km/h
20.4s
Calculated
23.6s
Calculated
0-60 mph
6.2s
Calculated
6.7s
Calculated
Fuel consumption
13.2L/100 km17.8mpg US21.4mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption city
17.9L/100 km13.1mpg US15.8mpg UK
16.7L/100 km14.1mpg US16.9mpg UK
Fuel consumption highway
10.4L/100 km22.6mpg US27.2mpg UK
8.3L/100 km28.3mpg US34.0mpg UK
Quarter mile
14.4s
Calculated
14.9s
Calculated
Power-to-weight
155hp/t115kW/t70hp/1000 lb
Calculated
161hp/t120kW/t73hp/1000 lb
Calculated
Torque-to-weight
244Nm/t163lb-ft/ton
Calculated
200Nm/t134lb-ft/ton
Calculated
Estimated range
492km306mi
Calculated
605km376mi
Calculated
Displacement
4,601cc281cu in
3,195cc195cu in
Length
4,740mm187in
4,660mm183in
Width
1,780mm70in
1,828mm72in
Height
1,430mm56in
1,422mm56in
Wheelbase
2,746mm108in
2,700mm106in
Front track
1,560mm61in
1,578mm62in
Rear track
1,610mm63in
1,555mm61in
Trunk volume
432L
405L
Doors
4
4
Seats
5
5
Fuel tank
65L
69L
CO2 emissions
314g/km
270g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

MG ZT 4.6 V8Alfa Romeo 159 3.2 JTS V6PowerTorque
  • MG ZT 4.6 V8: Power / Torque
  • Alfa Romeo 159 3.2 JTS V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
MGZT4.6 V85,000 rpm4,000 rpm6,000 rpm
Alfa Romeo1593.2 JTS V66,300 rpm4,500 rpm6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMGZT4.6 V8Alfa Romeo1593.2 JTS V6
Acceleration checkpoints
0-60 mph
0-97 km/h
6.2 s
6.7 s
0-100 km/h
0-62 mph
6.5 s
7.0 s
0-200 km/h
0-124 mph
20.4 s
23.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
244 km/h
152 mph
Drag race simulation
60 ft
18 m
2.6 s
2.7 s
330 ft
101 m
6.6 s
6.8 s
1/8 mile
201 m
9.6 s
9.9 s
1000 ft
305 m
12.2 s
12.7 s
1/4 mile
402 m
14.4 s
14.9 s
Trap speed
1/4 mile
402 m
169 km/h
105 mph
163 km/h
101 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
MGZT4.6 V8
260 hp
194 kW
Alfa Romeo1593.2 JTS V6
260 hp
194 kW

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
MGZT4.6 V8
410 Nm
302 lb-ft
Alfa Romeo1593.2 JTS V6
322 Nm
237 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
MGZT4.6 V8
1,680 kg
3,704 lb
Alfa Romeo1593.2 JTS V6
1,610 kg
3,549 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
MGZT4.6 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Alfa Romeo1593.2 JTS V6
244 km/h
152 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
MGZT4.6 V86.5 s
Alfa Romeo1593.2 JTS V67.0 s

The biggest 0-100 km/h difference is between MG ZT 4.6 V8 and Alfa Romeo 159 3.2 JTS V6: 0.5 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
MGZT4.6 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Alfa Romeo1593.2 JTS V6
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

The biggest fuel consumption difference is between Alfa Romeo 159 3.2 JTS V6 and MG ZT 4.6 V8: 1.8 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
MGZT4.6 V8
155 hp/t
115 kW/t
6.5 kg/hp
Alfa Romeo1593.2 JTS V6
161 hp/t
120 kW/t
6.2 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
MGZT4.6 V8
492 km
306 mi
Alfa Romeo1593.2 JTS V6
605 km
376 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
MGZT4.6 V8
260 hp
194 kW
6.5 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Alfa Romeo1593.2 JTS V6
260 hp
194 kW
7.0 s
244 km/h
152 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
MGZT4.6 V8
Power
260 hp
194 kW
0-100 km/h6.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
432 L
15.3 cu ft
Length
4,740 mm
186.6 in
Height
1,430 mm
56.3 in
Alfa Romeo1593.2 JTS V6
Power
260 hp
194 kW
0-100 km/h7.0 s
Top speed
244 km/h
152 mph
Doors/seats
4 doors
5 seats
Trunk
405 L
14.3 cu ft
Length
4,660 mm
183.5 in
Height
1,422 mm
56.0 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
MGZT4.6 V8
Power
260 hp
194 kW
0-100 km/h6.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Alfa Romeo1593.2 JTS V6
Power
260 hp
194 kW
0-100 km/h7.0 s
Top speed
244 km/h
152 mph
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

MG ZT 4.6 V8 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
MGZT4.6 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
6.5 s
Alfa Romeo1593.2 JTS V6
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
7.0 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
MGZT4.6 V8
155 hp/t
115 kW/t
6.5 kg/hp
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Alfa Romeo1593.2 JTS V6
161 hp/t
120 kW/t
6.2 kg/hp
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMGZT4.6 V8Alfa Romeo1593.2 JTS V6
Power
260 hp
194 kW
260 hp
194 kW
Torque
410 Nm
302 lb-ft
322 Nm
237 lb-ft
Acceleration
6.5 s
7.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
244 km/h
152 mph
Lightness
1,680 kg
3,704 lb
1,610 kg
3,549 lb
Fuel consumption
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
432 L
15.3 cu ft
Length
4,740 mm
186.6 in
Height
1,430 mm
56.3 in
Doors/seats
4 doors
5 seats
Trunk
405 L
14.3 cu ft
Length
4,660 mm
183.5 in
Height
1,422 mm
56.0 in
Range score
492 km
306 mi
605 km
376 mi
CO2 score
314 g/km
270 g/km
Trunk score
432 L
15.3 cu ft
405 L
14.3 cu ft
Power-to-weight score
155 hp/t
115 kW/t
6.5 kg/hp
161 hp/t
120 kW/t
6.2 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleMG ZT 4.6 V8Alfa Romeo 159 3.2 JTS V6
Consumption13.2 L/100 km17.8 mpg US21.4 mpg UK11.4 L/100 km20.6 mpg US24.8 mpg UK
Cost / 100 km23.10 LC100 km19.95 LC100 km
Cost / 100 mi37.18 LC100 mi32.11 LC100 mi
Annual fuel used1,980 L523 US gal436 UK gal1,710 L452 US gal376 UK gal
Annual fuel cost3,465 LC/year2,993 LC/year

Head-to-head comparisons

MG ZT 4.6 V8

  • Has 88 Nm more
  • Is 0.5 s quicker from 0-100 km/h
  • Has 16 km/h (10 mph) higher top speed
  • Has 27 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Alfa Romeo 159 3.2 JTS V6

  • Is 70 kg lighter
  • Uses 1.8 L/100 km less fuel
  • Has 7 hp/t better power-to-weight
  • Has 113 km (70 mi) more estimated range
  • Emits 44 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
MG ZT 4.6 V8
Alfa Romeo 159 3.2 JTS V6
Compare selected cars
2 vehicles selected

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