Car comparison

BMW Z4 (E89) 30ivsKTM X-Bow R 2.0

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

New comparison

BMW Z4 (E89)

30i

258 hp2996 ccGasolineRWDManualNaturally aspiratedRoadster2009-2011
VS

KTM X-Bow

R 2.0

240 hp1984 ccGasolineRWDManualTurbochargedRoadster2007-2016

Comparison overview

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

Best choices

KTM X-Bow R 2.0

  • Quickest 0-100 km/h
    3.9 s
  • Lightest
    790 kg
    1,742 lb
  • Best power-to-weight
    304 hp/t
    227 kW/t
    3.3 kg/hp
  • Lowest combined fuel consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Best overall score
    52/100
  • Best performance score
    64/100
  • Best economy score
    86/100

BMW Z4 (E89) 30i

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    258 hp
    192 kW
  • Highest torque
    315 Nm
    232 lb-ft
  • Best estimated range
    647 km
    402 mi
  • Best practicality score
    28/100

Specification comparison

Specification comparison
ModelBMWZ4 (E89)30iKTMX-BowR 2.0
Power
258hp192kW
240hp179kW
Torque
315Nm232lb-ft
310Nm229lb-ft
Curb weight
1,490kg3,285lb
790kg1,742lb
Gross weight
1,745kg3,847lb
-
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Calculated
To 99% top speed
76.0s99% target: 257 km/h / 160 mph
Calculated
42.6s99% target: 228 km/h / 141 mph
Calculated
0-100 km/h
5.8s
3.9s
0-200 km/h
20.5s
Calculated
16.8s
Calculated
0-60 mph
5.5s
Calculated
3.7s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption city
12.4L/100 km19mpg US22.8mpg UK
-
Fuel consumption highway
6.2L/100 km37.9mpg US45.6mpg UK
-
Quarter mile
13.9s
Calculated
12.2s
Calculated
Power-to-weight
173hp/t129kW/t79hp/1000 lb
Calculated
304hp/t227kW/t138hp/1000 lb
Calculated
Torque-to-weight
211Nm/t141lb-ft/ton
Calculated
392Nm/t263lb-ft/ton
Calculated
Estimated range
647km402mi
Calculated
513km319mi
Calculated
Displacement
2,996cc183cu in
1,984cc121cu in
Length
4,239mm167in
3,738mm147in
Width
1,790mm70in
1,915mm75in
Height
1,291mm51in
1,202mm47in
Wheelbase
2,496mm98in
2,430mm96in
Front track
1,511mm59in
1,672mm66in
Rear track
1,537mm61in
1,626mm64in
Trunk volume
180L
-
Max trunk volume
310L
-
Doors
2
-
Seats
2
2
Fuel tank
55L
40L

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.

BMW Z4 (E89) 30iKTM X-Bow R 2.0PowerTorque
  • BMW Z4 (E89) 30i: Power / Torque
  • KTM X-Bow R 2.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWZ4 (E89)30i6,600 rpm2,500 rpm6,850 rpm
KTMX-BowR 2.06,500 rpm2,000 rpm7,200 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 (E89)30iKTMX-BowR 2.0
Acceleration checkpoints
0-60 mph
0-97 km/h
5.5 s
3.7 s
0-100 km/h
0-62 mph
5.8 s
3.9 s
0-200 km/h
0-124 mph
20.5 s
16.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
1.9 s
330 ft
101 m
6.1 s
5.1 s
1/8 mile
201 m
9.1 s
7.8 s
1000 ft
305 m
11.7 s
10.2 s
1/4 mile
402 m
13.9 s
12.2 s
Trap speed
1/4 mile
402 m
168 km/h
105 mph
181 km/h
112 mph

Power comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)30i
258 hp
192 kW
KTMX-BowR 2.0
240 hp
179 kW

BMW Z4 (E89) 30i has 18 hp more than KTM X-Bow R 2.0.

The biggest power difference is between KTM X-Bow R 2.0 and BMW Z4 (E89) 30i: 18 hp (13 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)30i
315 Nm
232 lb-ft
KTMX-BowR 2.0
310 Nm
229 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)30i
1,490 kg
3,285 lb
KTMX-BowR 2.0
790 kg
1,742 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)30i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
KTMX-BowR 2.0
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)30i5.8 s
KTMX-BowR 2.03.9 s

Although BMW Z4 (E89) 30i has more power, KTM X-Bow R 2.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between KTM X-Bow R 2.0 and BMW Z4 (E89) 30i: 1.9 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)30i
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
KTMX-BowR 2.0
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

The biggest fuel consumption difference is between KTM X-Bow R 2.0 and BMW Z4 (E89) 30i: 0.7 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
BMWZ4 (E89)30i
173 hp/t
129 kW/t
5.8 kg/hp
KTMX-BowR 2.0
304 hp/t
227 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)30i
647 km
402 mi
KTMX-BowR 2.0
513 km
319 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWZ4 (E89)30i
258 hp
192 kW
5.8 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
KTMX-BowR 2.0
240 hp
179 kW
3.9 s
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 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
BMWZ4 (E89)30i
Power
258 hp
192 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
180 L
6.4 cu ft
Length
4,239 mm
166.9 in
Height
1,291 mm
50.8 in
KTMX-BowR 2.0
Power
240 hp
179 kW
0-100 km/h3.9 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Doors/seats2 seats
Trunk-
Length
3,738 mm
147.2 in
Height
1,202 mm
47.3 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
BMWZ4 (E89)30i
Power
258 hp
192 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
KTMX-BowR 2.0
Power
240 hp
179 kW
0-100 km/h3.9 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

KTM X-Bow R 2.0 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
BMWZ4 (E89)30i
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
5.8 s
KTMX-BowR 2.0
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
3.9 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
BMWZ4 (E89)30i
173 hp/t
129 kW/t
5.8 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
KTMX-BowR 2.0
304 hp/t
227 kW/t
3.3 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 (E89)30iKTMX-BowR 2.0
Power
258 hp
192 kW
240 hp
179 kW
Torque
315 Nm
232 lb-ft
310 Nm
229 lb-ft
Acceleration
5.8 s
3.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Lightness
1,490 kg
3,285 lb
790 kg
1,742 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
180 L
6.4 cu ft
Length
4,239 mm
166.9 in
Height
1,291 mm
50.8 in
Doors/seats2 seats
Trunk-
Length
3,738 mm
147.2 in
Height
1,202 mm
47.3 in
Range score
647 km
402 mi
513 km
319 mi
Trunk score
180 L
6.4 cu ft
-
Power-to-weight score
173 hp/t
129 kW/t
5.8 kg/hp
304 hp/t
227 kW/t
3.3 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
VehicleBMW Z4 (E89) 30iKTM X-Bow R 2.0
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK7.8 L/100 km30.2 mpg US36.2 mpg UK
Cost / 100 km14.88 LC100 km13.65 LC100 km
Cost / 100 mi23.94 LC100 mi21.97 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal1,170 L309 US gal257 UK gal
Annual fuel cost2,231 LC/year2,048 LC/year

Head-to-head comparisons

BMW Z4 (E89) 30i

  • Has 18 hp more
  • Has 5 Nm more
  • Has 30 km/h (19 mph) higher top speed
  • Has 134 km (83 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest

KTM X-Bow R 2.0

  • Is 700 kg lighter
  • Is 1.9 s quicker from 0-100 km/h
  • Uses 0.7 L/100 km less fuel
  • Has 131 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW Z4 (E89) 30i
KTM X-Bow R 2.0
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2 vehicles selected

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